Corelan Research

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

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All articles:

 Exploit writing tutorial part 2 : Stack Based Overflows - jumping to shellcode

Where do you want to jmp today ? In one of my previous posts (part 1 of writing stack based buffer overflow exploits), I have explained the basisc …

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 Exploit writing tutorial part 1 : Stack Based Overflows

Last friday (july 17th 2009), somebody (nick)named โ€˜Crazy_Hackerโ€™ has reported a vulnerability in Easy RM to MP3 Conversion Utility (on XP SP2 En), …

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 Spread the word ! nmap 5 released

Insecure.org has released a new major version of the free, open source โ€œnmapโ€ security scanner. (Donโ€™t just call nmap a port scanner - Thanks to …

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 One for the money, second one for the show...

While I was going through the archive of some โ€˜funnyโ€™ pictures at http://failblog.org/, I suddenly realised that I had encountered something funny a…

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 Free tool : Find out where your AD Users are logged on into

Hi, I decided to release another free utility I wrote a while ago. This small command-line utility can be used to find out where Active Directory …

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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.