skylined

Offensive Security Exploit Weekend

Introduction I’m excited and honored to be able to announce that Sud0, one of our Corelan Team members, has won the Offensive Security Exploit weekend, an exploiting exercise only available to Offensive Security certified alumni. The challenge was built around a vulnerability in Foxit Reader.  Each participant was pointed to a Proof of Concept exploit, […]

Exploit notes – win32 eggs-to-omelet

In article 8 of my exploit writing series, I have introduced the concept of egg hunters, and explained what an omelet hunter is and how it works. Today, I want to share with you my own eggs-to-omelet implementation, explain how it works, and how you can use it in a standalone exploit or in a […]

Exploit writing tutorial part 9 : Introduction to Win32 shellcoding

Over the last couple of months, I have written a set of tutorials about building exploits that target the Windows stack. One of the primary goals of anyone writing an exploit is to modify the normal execution flow of the application and trigger the application to run arbitrary code… code that is injected by the […]

Exploit writing tutorial part 8 : Win32 Egg Hunting

Introduction Easter is still far away, so this is probably the right time to talk about ways to hunting for eggs (so you would be prepared when the easter bunny brings you another 0day vulnerability) In the first parts of this exploit writing tutorial series, we have talked about stack based overflows and how they […]

Exploit writing tutorial part 7 : Unicode – from 0x00410041 to calc

Finally … after spending a couple of weeks working on unicode and unicode exploits, I’m glad and happy to be able to release this next article in my basic exploit writing series : writing exploits for stack based unicode buffer overflows (wow – that’s a mouthful). You may (or may not) have encountered a situation […]

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