[CERT] Post attack analyses ZedCorp Challenge - My name is Rookie

The ZedCorp challenge alias “My name is Rookie” was a realistic challenge proposed at Hacklab ESGI CTF 2019. ZedCorp is a small startup who work in computer science and particulary in development. The goal was to recover confidential files owned by the CEO. For this recap, I want to do some analyses on my challenge to know how challengers proceed to solve it. There is some fun facts :D You can read writeups here to understand the context :