Just the 2 of us solved 150 points Solves: 140 Medium Tell us the name of these 2 musical instruments Flag format: EZ-CTF{Instrument1_Instrument2} (From left to right) Solving This was not as easy as I thought in the first place. I ended up, splitting the two files and search for each of them. For the second one, I found this
root-me Points: 400 SSH into the challenge host, 0.cloud.chals.io on port 19777 Username: ubuntu Password: jctf2022! Find the flag Solving We have login credentials for a server… so let’s dive in: ssh ubuntu@0.cloud.chals.io -p 19777 Okay… first we check sudo permissions, therefore just use sudo -l, but we don’t have any permissions. So let’s look for some other quickwins, shall