Corelan Research

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

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 Juniper ScreenOS BGP Basics : a simple iBGP test case

As explained in one of my earlier posts, ScreenOS supports a couple of ways to provide for dynamic routing. Today, I’m going to explain some basic …

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 Dynamic Distribution Lists not working as expected (0 recipients during mail routing)

Today, I encountered an interesting problem which appeared to be strange behaviour in Exchange 2007 at first, but fianlly ended up being a small …

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 PHP performance on Windows 2008/IIS7

My discussion forum has been running for more than a month now, and I guessed it was about time to have a look at the performance of the web site. …

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 Using 2 internet links with Juniper screenos Firewalls to separate traffic (pbr) and apply traffic shaping

Scenario : you have 1 Juniper firewall, which has 2 internet connections : an expensive but reliable 4Mbit connection, and a fast, less expensive, …

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 Using OSPF on Juniper Netscreen Firewalls

Introduction to OSPF OSPF is a link-state (dynamic) routing protocol that operates within an autonomous system. OSPF falls within the group of …

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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.