[CTF] SquareCTF2019 Write-up— Aesni (Challenge#2)

Hello! Over the weekend and a couple of the past days, I had a chance to participate in SquareCTF2019 with my co-workers at work. It was our first time ganging up together to do CTF together. Our team was placed in 28th out of 223 teams by solving 6 out of 10 challenges. We realized that there are many things we need to build up, but in fact it was our first one, I am very proud of our team and everyone…