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

unsigned char shellcode[] = "\x31\xc0\xb0\x04\x31\xdb\xb3\x01\x31\xd2\x52\x52\x6a\x0a\x68\x72\x6c\x64\x21\x68\x6f\x20\x57\x6f\x68\x48\x65\x6c\x6c\x89\xe1\xb2\x0d\xcd\x80\x31\xc0\xb0\x01\x31\xdb\xcd\x80"; 

int main(int argc, char* argv[]){
	int (*ret)() = (int(*)())shellcode;
    	ret();
	return 0; 
}