About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview One of Santa's helpers received a wish for an unreleased... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview Before we begin, I just want to say that I... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview We've got a program, which seems to just hang when... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview One of Santa's poor elves got captured by the Grinch... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview So, Santa's helpers are very good at Sudoku puzzles, and... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview So, at the provided website, we've got a web interface... Read More

About This post is part of a series in which I'll post writeups for all challenges of the OverTheWire Advent Bonanza 2019 CTF. To see the intro, click here Overview So apparently Santa got stuck on an island and is... Read More

Intro Over the past month, I was playing the OverTheWire Advent Bonanza CTF. In the end, I ended up in 41th place and solving 11 out of the 25 challenges. So this post is a introduction to a series of... Read More