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HSDIAG.RES
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1993-05-09
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7KB
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147 lines
=========================================================================
||
From the files of The Hack Squad: || by Lee Jackson, Moderator, FidoNet
|| Int'l Echos SHAREWRE & WARNINGS
The Hack Report || Volume 2, Number 5
File Test Results || Result Report Date: April 10, 1993
||
=========================================================================
*************************************************************************
* *
* The following test was performed by R. Wallace Hale, sysop of the *
* Driftnet BBS, (506) 325-9002. The results, forwarded by *
* James FitzGibbon (FidoNet 1:250/301) and HW Bill Lambdin, are *
* preliminary. Thanks to everyone for their assistance. *
* *
*************************************************************************
HSDIAG.ZIP WARNING!!!
~~~~~~~~~~~~~~~~~~~~~
The file HSDIAG.ZIP, masquerading as a high speed modem diagnostic
utility is a Torjan horse.
This is a PRELIMINARY report and will be expanded and/or modified
(and probably corrected) in due course.
I received HSDIAG from Bob Feldman today, and have not had sufficient
time to disassemble HSDIAG.EXE completely, but I have done enough to
determine that the program will overwrite the first 255 sectors on the
first eight drives on a system!
The Trojan begins with the highest number drive and works downward,
finishing with the floppy diskette in Drive A, if such exists. In
addition to data loss, the system will no longer be bootable from
the hard drive.
Error messages are suppressed and once started, the Trojan can NOT
be halted by a Ctrl-C or Ctrl-Break key sequence.
No virus scanner in my arsenal twigs to the Trojan, nor does
F-PROT 2.07 in heuristic mode find anything suspicious. This is
not at all surprising, and one shouldn't expect any virus scanner
to provide protection against Trojan programs.
However, tired old PROGNOSE warns of possible danger.
The following strings can be found in HSDIAG.EXE:
18C: High Speed Modem Diagnostics
1B6: Version 1.0
1E0: Sound Blaster Support
232: ) Written by Bully Bros, Incoporated)
Please Press [ENTER] To Load Diagnostics,
287: Please wait ..
296: ..Loading Done!#Press [ENTER] to Start Diagnostics.
2CA: Bully Bros.Dallas TX.
2E0: -Copyrite (C) 1993 Bully Bros. Raj And Asshole
DF0: #$456789:;<=>?uRuntime error
E0E: at
The Trojan archive contents are:
Archive: HSDIAG.ZIP
Name Length Method SF Size now Mod Date Time CRC
============ ======== ======== ==== ======== ========= ======== ========
HSDIAG.EXE 4864 Deflated 34 3172 08 Mar 93 22:03:58 1C84FC4D
FILE_ID.DIZ 245 Deflated 7 228 17 Mar 93 02:02:50 7CF5CBD2
HSDIAG1.DAT 17264 Deflated 36 11044 27 Nov 92 13:47:34 46B34F7D
HSDIAG2.DAT 7121 Deflated 57 3012 27 Nov 92 13:47:34 7127D2C7
HELP.DAT 4064 Deflated 31 2802 27 Nov 92 13:47:34 6FD0DD60
UART1.DAT 5872 Deflated 39 3542 27 Nov 92 13:47:34 AFB5E3CE
HSDIAG3.DAT 2848 Deflated 50 1404 27 Nov 92 13:47:34 0089171B
============ ======== ======== ==== ======== ========= ======== ========
*total 7 42278 ZIP 2.0 38% 26706 10 Apr 93 11:23:42
All executables in the archive appear to have been written with
Borland's Turbo Pascal, version 4.0 or higher. Since I am not a
Pascal programmer, I can't really be certain on this point.
I am absolutely certain that all of the .DAT files were taken from
Joseph Sheppard's ATSEND v.1.8 and have merely been renamed. The
contents of ATSEND18.ZIP are listed below, and I have done a
byte-by-byte comparison of the .DAT files from the hack with the
files in ATSEND18.ZIP to verify this.
Archive: ATSEND18.ZIP
Name Length Method SF Size now Mod Date Time CRC
============ ======== ======== ==== ======== ========= ======== ========
ATSEND.EXE 17264 Imploded 33 11452 27 Nov 92 13:47:34 46B34F7D
ATSEND.DOC 7121 Imploded 55 3142 27 Nov 92 13:47:34 7127D2C7
HEX2DEC.EXE 4064 Imploded 28 2899 27 Nov 92 13:47:34 6FD0DD60
ATBATCH.EXE 5872 Imploded 37 3688 27 Nov 92 13:47:34 AFB5E3CE
FILE_ID.DIZ 332 Imploded 9 302 27 Nov 92 13:49:38 09F0E0D8
ATSEND.NEW 2848 Imploded 44 1589 27 Nov 92 13:47:34 0089171B
============ ======== ======== ==== ======== ========= ======== ========
*total 6 37501 ZIP 1.10 36% 23708 27 Nov 92 13:49:38
I received HSDIAG in ZIP 2.0 format and have no idea whether the
author of the Trojan released it initially in an archive created
with PKZip 1.10 with a forged -AV or not. Mr. Sheppard uses the
AV feature of PKZip to provide some slight measure of security:
PKUNZIP (R) FAST! Extract Utility Version 1.1 03-15-90
Copr. 1989-1990 PKWARE Inc. All Rights Reserved. PKUNZIP/h for help
PKUNZIP Reg. U.S. Pat. and Tm. Off.
Searching ZIP: ATSEND18.ZIP
Testing: ATSEND.EXE OK -AV
Testing: ATSEND.DOC OK -AV
Testing: HEX2DEC.EXE OK -AV
Testing: ATBATCH.EXE OK -AV
Testing: FILE_ID.DIZ OK -AV
Testing: ATSEND.NEW OK -AV
Authentic files Verified! # CRI220 Joseph Sheppard
The hacked archive, HSDIAG.ZIP contains a FILE_ID.DIZ file:
░▒▓ High Speed Modem Diagnostics ▓▒░
Superb tool for testing and configuring high
speed (9600bps and up) modems. Reports on
UART, FIFO, S-Registers, and full NVRAM
editor with context sensitve help. $35
Written by: Norman Shelbert <ASP>
This is NOT the FILE_ID.DIZ from Sheppard's ATSEND18.
Don't know who Norman Shelbert may be, but possibly there
is a legitimate high speed modem diagnostic program
written by such a person, and the FILE_ID.DIZ may have
been lifted from that program.
If at all possible, I will post further information
within the next day or two.
R. Wallace Hale, sysop
Driftnet (506) 325-9002
10 April 1993