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Last Updated: September 26, 2026
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Summary
simple buffer overflow with returning to two different functions and reusing matrix decomposition def m_func(i): # return 55692*m_func(i-4)-9549*m_func(i-3)+301*m_func(i-2)+21*m_func(i-1) M = Matrix([[0 ... Reverse engineering Java source code. CTF Challenge Writeup 00:00 Intro 01:21 Dynamic Analysis 02:41 Ghidra Reversing 09:40 Whiteboard 17:20 Whiteboard 23:40 ... If you would to support me, please , & , and check me out on Patreon: ... In this picoCTF 2026 writeup for Echo Escape 2, we exploit a 32-bit binary vulnerable to a buffer overflow caused by a ... Format string vulnerability. Using %x allows us to view data on the