Writeups

A collection of my write-ups on Capture The Flag (CTF) events, hardware challenges and real life encounters. They explain how the goal was accomplished and try to teach you how to approach these kinds of challenges.

Frosty Keypad

Frosty Keypad
In the fourth challenge of the Holiday Hack Challenge 2024, we’ll explore how to use curl using the Linux manpages.

Curling

Curling
In the fourth challenge of the Holiday Hack Challenge 2024, we’ll explore how to use curl using the Linux manpages.

Elf Minder

Elf Minder
On to our second game of the Holiday Hack Challenge. This time we’ll have to find some routes.

Elf Connect

Elf Connect
Let’s play our first game of the Holiday Hack Challenge. To win, we’ll have to use the DevTools to read some code, and figure out how the scoring mechanism works.

Holiday Hack Orientation

Holiday Hack Orientation
An easy start of the Holiday Hack Challenge 2024.

Spycam

Spycam
A writeup for challenge 10 of the beginners quests of the Google CTF.

Konski-Hiakawa Law of Droids

Konski-Hiakawa Law of Droids
A writeup for challenge 9 of the beginners quests of the Google CTF.

Hide and seek

Hide and seek
A writeup for challenge 8 of the beginners quests of the Google CTF.

ReadySetAction

ReadySetAction
A writeup for challenge 7 of the beginners quests of the Google CTF.

To the moon

To the moon
A writeup for challenge 6 of the beginners quests of the Google CTF.

Twisted robot

Twisted robot
A writeup for challenge 5 of the beginners quests of the Google CTF.

Electronics Research Lab

Electronics Research Lab
A writeup for challenge 4 of the beginners quests of the Google CTF.