A7 – gee cue elle was a hard misc challenge. It combines a database query injection with optimizing the algorithm to perform the attack. So also partially a programming or computer science challenge. When I first read the title I mispronounced it as “gi que elle”, so a more german… Continue Reading Blind GQL injection and optimised binary search – A7 ~ Gee cue elle (misc) Google CTF 2017

I Recently went to a hotel which unfortunately didn’t have free Wi-Fi. However, it did have paid Wi-Fi. The Wi-Fi login page looks something like this. It had a place to put in the access code and also a place to get one. The place we’re going to be focusing… Continue Reading Hacking a hotel’s system for free Wifi with SQL Injection