Introduction Hey everyone, I participated with my team from Sousse, with love in the castorsCTF2020, we got 3rd place out of 500+ teams. This will be a detailed writeup about a web task and a pwn task. So i hope you like it ❤. Web Challenge: Quiz TL;DR Bruteforce filename Leak the backup file of the main.go Leak the flag with a local file inclusion Description Overview Accessing the website we get a little welcome message