Corelan Research

Two decades of exploit development research, techniques, and knowledge β€” shared openly and for free with the community.

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 Building IPSec VPN with Juniper Netscreen ScreenOS (CJFV)

A few days ago, I have posted some ScreenOS basics on this blog. Today, it is time to take it one step further and to look at setting up and …

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 Juniper Firewall ScreenOS Basics (CJFV)

ScreenOS Concepts & Terminology The following document is based on ScreenOS v5.4.0r7.0 - Interface = connection to a specific subnet. An …

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 Cisco switch IOS cheat sheet

Reset to factory defaults : connect console (9600/8/None/1, no flow control) take out power cable press mode button (at the front), hold…

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 Windows 2003 Server Network Load Balancing (NLB) for IIS based SMTP services

In this post, I will explain how to set up 2 or more Windows 2003 servers to use the Windows Server built-in NLB functionalities in order to provide…

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 Free Tool - Password Generator dll for Visual Studio (and other languages)

Because some of my own applications required the ability to create random passwords, I decided to write a small dll that will allow me to implement …

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Corelan Research is a long-running cybersecurity research project focused on exploit development, vulnerability research and Windows internals.   Since 2009, we have published deep technical tutorials covering topics such as stack-based exploitation, heap exploitation, shellcoding, reverse engineering and debugging. 
These tutorials have helped thousands of security researchers, penetration testers, exploit developers and exploit dev trainers learn how modern memory corruption vulnerabilities work.