In this challenge, we are going to reverse a Windows Crackme-style CTF, and we are going to write our own Keygen to generate valid passwords.… Read More CH00 – RootersCTF Writeup

You don’t always need to investigate every bit of the program, sometimes analyzing a sequence of encrypted bytes can provide some clues on how to decrypt them.… Read More CH03 – RootersCTF Writeup

Visually investigating a sequence of bytes is indeed one effective naive approach to reveal some hints on how to decrypt/decode them.… Read More CH02 – RootersCTF Writeup