1Dec-22

Windows Exploitation Challenge – Blue Frost Security 2022 (Ekoparty)

Last month, during Ekoparty, Blue Frost Security published a Windows challenge. Since having a Windows exploitation challenge, is one of a kind in CTFs, and since I've found the challenge interesting and very clever, I've decided to post about my reverse engineering and exploitation methodology. Challenge Requests Only Python solutions without external libraries will be accepted The goal is to execute the Windows Calculator (calc.exe) The solution should work on Windows 10 or Windows 11 Process continuation is desirable (not mandatory) You...
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21Jul-22

Browser Exploitation: Firefox Integer Overflow – CVE-2011-2371

In case you're wondering why I'm not posting as regularly as before, with the new year, I've finally transitioned into a fully offensive vulnerability research and exploit development role at Exodus Intelligence that fulfilled my career dream (BTW, we're currently hiring). In the last couple of months, I've worked on some exciting and challenging bugs. Hopefully, these bugs will be featured on my blog post as soon as I am allowed to share them and after the vendors issue a...
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