Aaaand we’re back to zipped challenges. This time, it’s an image and an apk file. The image is a…QR code? Pretty QR Code It’s one of the cooler-looking ones - QR codes are rubost enough t...

In this challenge - yet again another domain to socat to: shell-sprinter.h4ck.ctfcompetition.com. On connection, my terminal is cleared entirely and a nice ASCII art displaying Shell Sprinter...

Welcome to Episode 3! The first challenge has a socat command again, to a different domain - multivision.h4ck.ctfcompetition.com. This time, the challenge hint says: Find the key, and put RFC...

In this challenge, there was no link to a website or to download anything. Instead, there’s a simple command - socat FILE:`tty`,raw,echo=0 TCP:quarantine-shell.h4ck.ctfcompetition.com:1337 socat...

Well…That was a weird one - kind of solved it before I even started writing a log. Let’s go through my steps - downloading the file, I got a compressed file containing a Readme.md and a CTF CSV-EA...

After beating Episode 1, I’ve been pretty pumped to see what comes next. The difficulty curve of this CTF so far is pretty unexpected. Some challenges I feel are straightforward, whereas others are...

Clicking on the next challenge, I was welcomed by a familiar sight - it’s the same matrix chess game from the first challlenge of the first episode! I noticed that this time, however, there’s no “...

Downloading the next challenge, I got a file with a long name again a5eecbd1dc5ad07e38b062cdabfb3e63da36847e727fa666903f9dc1094e24160d68d0ed95378102ae20c7bca84f3638825c4433833b08886f918b7fa90fec56....

So I’ve passed the first episode (and got a token with my name in reward!). I watched the chapter’s video (very well produced, by the way), and I expect some reverse engineering efforts. Anyway, le...

Initial Search Opening the challenge, it’s a simple webpage that has some predefined files to choose from and a search term, which defaults to aurora. Inspecting the source code, I saw that the J...