Reversing on Th3B0yWh0L1v3d — Security Writeups

Reversing on Th3B0yWh0L1v3d — Security Writeups https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/ Recent content in Reversing on Th3B0yWh0L1v3d — Security Writeups Hugo en-us Tue, 16 Jun 2026 00:00:00 +0000 AlphaCode https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/alphacode/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/alphacode/ Reverse-engineering a custom esolang stack machine to recover the flag. Amazing https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/amazing/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/amazing/ Reversing a Python marshal bytecode maze generator seeded by an LCG to find the escape path. cat https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/cat/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/cat/ Reversing a repeating-key XOR crackme that downloads the flag from catbox.moe. Franklin https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/franklin/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/franklin/ Recovering the flag from TrueType GSUB ligature substitution rules. George Orwell https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/george-orwell/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/george-orwell/ Decompiling a compiled AutoHotkey executable to extract the flag. Hidden But Definitely Not https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/hidden-but-definitely-not/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/hidden-but-definitely-not/ Recovering a flag hidden via stack-string construction and XOR obfuscation. Not Your Time https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/not-your-time/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/not-your-time/ Crackme that stores the bitwise NOT of the flag bytes; invert them to get the flag. Perfectly Destructive File https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/perfectly-destructive-file/ Tue, 16 Jun 2026 00:00:00 +0000 https://th3b0ywh0l1v3d.github.io/ctf/boroctf-2026/reversing/perfectly-destructive-file/ Extracting a flag hidden inside a PDF stream using FlateDecode and base64.