Recent posts

Root Me: Cracking: PE – 0 protection

2 minute read

Since this challenge has 0 protection we can easily solve it by searching for the string in the strings window of IDA. Select from the menu: View -> Open...

PicoCTF – An Introduction to CTF’s

1 minute read

PicoCTF is an amazing capture the flag competition targeting middle and high school students. It’s a game that consists in solving various computer security ...

Introduction to GCC’s Extended ASM Format

3 minute read

As I’ve been reading Professional Assembly Language, I’ve come across chapter 13 and I liked it so much that I’m going to write a blog post about it. The boo...

HackTheBox Reversing: Impossible Password

3 minute read

Hello, this is a write-up regarding the HackTheBox reversing challenge: Impossible Password. Please don’t look at the solution if you haven’t attempted the ...

BLE CTF: How to flash the ESP32

1 minute read

Hello! If you want to do Hackgnar’s BLE CTF but you’ve been struggling with flashing the ESP worry not! I have created a vagrant developer environment just ...

How to use MFRC522 with Arduino

2 minute read

I wanted to explore the magic of RFID and I bought a simple card reader from Banggood which allows me to read and write 13.56MHz cards. The reader comes with...