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Articles tagged with #ctf
During in the process of reverse engineering binaries, a common problem arises. How do I reverse engineer stripped binaries? There are no symbols to break on, offsets change, scripts don't work, and you ask yourself why am I doing this? Luckily there...
Intro This is a write-up for PicoCTF 2022: Buffer Overflow 1. This is one of my favourite challenges to do. I recommend solving it for yourself before you read this write-up. What is a Buffer Overflow? Before we get started we need to first know what...
Prerequisites: If you do not have the below knowledge, you will not understand the solution. You need a good understanding of binary. You need to understand logic gates. You need to be able to read code. You need to understand bitwise functions Re...
This is a write-up to Google's Beginners Quest CTF for questions 1 & 2. Challenge 1 When we first go to the webpage we are greeted with a login page. If we input the wrong password we get an alert that tells us "Wrong Password!". The first thing ...
