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 […]
QuickZip Stack BOF 0day: a box of chocolates
Over the last couple of weeks, ever since I published 2 articles on the Offensive Blog, I have received many requests from people asking me if they could get a copy of those articles in pdf format. My blog does not include a pdf generator, but it has a “print” button, so you can get […]
Ken Ward Zipper exploit write-up on abysssec.com
Hi all, I just wanted to drop a few lines to let you know that, earlier today, my exploit write-up article about this vulnerability was published on www.abysssec.com. You can find the article here : http://www.abysssec.com/blog/2010/03/ken-ward-zipper-stack-bof-0day-a-not-so-typical-seh-exploit/ Enjoy !
QuickZip exploit article part 2 released on OffSec Blog
Hi all. I just wanted to drop a quick note that I have released part 2 of the QuickZip 0day vulnerability exploit on the Offensive Security Blog just a few moments ago. You can find the article here. Have fun & cheers !
corelanc0d3r featured on Offensive Security Blog
A few moments ago I published a detailed write-up, explaining the steps I took to build a 0day exploit for a zip file handling bug in QuickZip, on the Offensive Security blog. You can read the article here : http://www.offensive-security.com/blog/vulndev/quickzip-stack-bof-0day-a-box-of-chocolates/
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 […]
Starting to write Immunity Debugger PyCommands : my cheatsheet
When I started Win32 exploit development many years ago, my preferred debugger at the time was WinDbg (and some Olly). While Windbg is a great and fast debugger, I quickly figured out that some additional/external tools were required to improve my exploit development experience. Despite the fact that the command line oriented approach in windbg […]
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 […]
Happy New Year
I would like to wish you all a Happy New Year with – good health – lots of fun – lots of time to do research and learn – the strength to share your knowledge with others – new tutorials – constructive discussions – the best of everything !! Take care in 2010 !
Exchange Server 2010 available worldwide
From the MSExchangeTeam Blog : It is my distinct pleasure to announce today the global availability of Exchange Server 2010. This has been an amazing journey from conception to launch, and the team has delivered an unprecedented line up of innovations in this release. I am incredibly proud of the team and our product. The […]
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