Corelan Research

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

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 Codegate 2011 CTF - Binary200 - Anti Debugging Techniques Explained

Aloha, Again I stumbled upon a nice reverse-me, binary200 from the Codegate 2011 CTF. And again there are some really interesting anti-debugging …
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 Cheat sheet : Installing Snorby 2.2 with Apache2 and Suricata with Barnyard2 on Ubuntu 10.x

After spending a few hours fighting a battle against Snorby and Apache2 + Passenger, I finally managed to get it to run properly on my Ubunty 10.x …
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 Anti-debugging tricks revealed - Defcon CTF Qualifications 2009: Bin300 Analysis

A while ago I stumbled upon an awesome write-up of a very nice CTF challenge created by sapheads: http://hackerschool.org/DefconCTF/17/B300.html I …
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 The Honeypot Incident - How strong is your UF (Reversing FU)

Interested in capturing, documenting and analyzing scans and malicious activity, Corelan Team decided to set up a honeypot and put it online. In the …
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 Hack Notes : ROP retn+offset and impact on stack setup

Yesterday, sickn3ss (one of the frequent visitors of the #corelan channel on freenode IRC) posted a really interesting question. The question …

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 Case Study: SolarWinds Orion (video)

Special Thanks: To my wife for putting up with my crap. Also SolarWinds for keeping an open communication while fixing the issue. And of course... …

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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.