You have been hired by the Intergalactic Ministry of Spies to retrieve a powerful relic that is believed to be hidden within the small paddle shop, by the river. You must hack into the paddle sh...

Soda workflow The first we have to do is decompile the jar file. A great tool for that is Java decompiler jd-gui: jd-gui soda.jar Now that we can see the source code, it’s time to go over it ...

Insecure Direct Ticket Reference Scanbook allows us to make notes, post them, and then retrieve them with a unique QR code. Generated QR code works like intended - if we save it and then upl...

Quizbot functionality Let’s take a quick look at what quizbot does. When we join the channel, it welcomes us with the following message: So the first important thing quizbot can do is assign a...

How it works Alright, so owl#9960 is a Discord bot and in the challenege description we have a source code for it. Let’s quickly walk trough how it works and how we can get the flag. In order t...

Latex converter As the challenege description says, textual can convert Latex syntax to normal HTML form. That’s great, but how do we get the flag? A quick google tells us there are a few way...

Hi! Today we are going to tackle buckeyenotes web challenge from 2022 edition of Buckeye CTF. Since the challenge was rated as begginer, I wanted to take my time and dive a bit deeper into what i...

Playing by the rules? Let’s take a look at the website: The website lets us play a classic game of pong. We can begin the match by pressing P to serve and then move the left paddle up and dow...