Learning ARM assembly through the ARMssembly series of Reversing challenges in picoCTF 2021.
ReadFrom among the Reversing challenges, I will write a brief writeup for the problem called "firmware."
ReadThrough 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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