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

In this challenge, we are going to manually decompile a whole encoding algorithm to provide us with the correct flag.… Read More CH04 – RootersCTF Writeup

This challenge is especially interesting because it’s a VM, we are going to reverse the main VM, its Context Structure, and finally write a VM Parser to emulate the VM.… Read More CH01 – RootersCTF Writeup