PicoCTF – An Introduction to CTF’s
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 ...
Recent posts
A quick look at some Embedded Operating Systems
Real Time Operating Systems Real time operating systems are designed for real time applications that need to accomplish a certain tasks with as little OS ov...
Introduction to GCC’s Extended ASM Format
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
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
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 ...
Solving MalwareTech’s Strings challenges with Binary Ninja.
MalwareTech’s string challenges are so easy that everyone can do them. I’m writing this article in order to help those who struggle with them, but of course ...
How to use MFRC522 with Arduino
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...
Write-up on Lena151’s Reversing Tutorials [1-5]
I decided that I want to do something new and I started to get into assembly and reverse engineering, hopefully I can build a career with this. I watched so...
Helping the Tor Project
In this short article I will try to introduce you to the Tor Project and what can you do in order to help it. What is the Tor project? The EFF describes th...
Django Signals
I’ve been working on a website for some time now, at first I’ve made it with Django + templates and now I use Django Rest Framework and Angular. The website ...