Reversing (en)

CTF (en)

Learning ARM Assembly through CTF

Learning ARM assembly through the ARMssembly series of Reversing challenges in picoCTF 2021.

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CTF (en)

firmware Writeup (Reversing) [SECCON Beginners CTF 2021]

From among the Reversing challenges, I will write a brief writeup for the problem called "firmware."

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CTF (en)

Notes on Solving a Reversing Challenge with angr Symbolic Execution [WaniCTF2021]

Through the Very Hard reversing challenge "licence," I learned how to use angr, a tool that analyzes complex processing with symbolic execution, so this article looks back on that experience and summarizes how to use angr.

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