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Unfolding obfuscated code with Reven (part 1, full write-up)

01 Nov 2016 by tdta - Technical - Reverse Engineering Deobfuscation ctf

In this article, we present a reverse engineering task performed using Reven. This is the full write-up corresponding to a first overview published in October. The binary examined here is F4b_XOR_W4kfu, the challenge scoring the highest number of points over all categories (cryptography, exploit, reverse engineering, etc.) in Grehack 2015’s...