[insomni'hack teaser 24] InsoBank Writeup

Challenge Description This challenge was a web application that implemented a simple banking system. In the description, they state that the bank “is of course backed by crypto and AI which makes it better than any other banking system out there”, but luckily a simple code review revealed that these were just lies from their marketing department. Once a user registered, they were given 10.0 CHF 3 bank accounts: the Current account, a Checkings account, and the Savings account....

January 27, 2024 · Matteo Golinelli

[saarCTF 23] Pasteable Writeup

Challenge Description The challenge was a web application that allowed users to create and share password-protected notes. The application is written in PHP and uses a MySQL database to store the notes. When creating a note, the user must enter a title, some content, and a password that is used to encrypt the note. The note is then stored in the database and the user is given a link to share the note with others....

November 20, 2023 · Matteo Golinelli & Michele Grisafi

[SrdnlenCTF 23] Pugwar Writeup

Challenge description What do you call a cold pug? A pugsicle! Website: http://pugwar.challs.srdnlen.it Author: @Octaviusss This time we don’t have source code. The X-Powered-By header returned by the server is equal to Express so most likely we are attacking a Node.js application. The application offers the following functionality: Registration/Login Creating a pug with a name, ability and secret associated with your user (/choose-fighters) Edit the ability of a pug that you created (/fighter-customization) In the Hall Of Fame page we see a pug called Mario with its ability....

October 30, 2023 · Ivan Valentini & Alessandro Mizzaro