https://iamleandrooooo.github.io/tags/reverse/ Recent content in Reverse on Leandro's Code Cave Hugo en-us Fri, 03 Oct 2025 00:00:00 +0000 https://iamleandrooooo.github.io/posts/sandy/ Fri, 03 Oct 2025 00:00:00 +0000 https://iamleandrooooo.github.io/posts/sandy/ Challenge Description Author: John Hammond My friend Sandy is really into cryptocurrencies! She’s been trying to get me into it too, so she showed me a lot of Chrome extensions I could add to manage my wallets. Once I got everything sent up, she gave me this cool program! She says it adds better protection so my wallets can’t get messed with by hackers. Sandy wouldn’t lie to me, would she…? https://iamleandrooooo.github.io/posts/rc4_reverse/ Sat, 13 Sep 2025 00:00:00 +0000 https://iamleandrooooo.github.io/posts/rc4_reverse/ RC4 Reverse Engineering RC4 Overview RC4 is a lightweight stream cipher commonly used in malware for string decryption, binary unpacking, and encrypting network traffic. When analyzing a binary that uses RC4, there are a few key indicators and areas worth examining. No matter how much obfuscation is applied, typically if you find two loops responsible for initializing and scrambling a substitution box, it’s a strong sign that RC4 is being used.