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, […]
Exploiting Ken Ward Zipper : Taking advantage of payload conversion
In the article I wrote on the abysssec.com website, I explained the steps and techniques needed to build a working exploit for Ken Ward’s zipper. One of the main difficulties I had to overcome when building the exploit, was the character set limitation. I basically could only use a subset of the ascii characters (only […]
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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