Welcome to Ik0blog

A journey through CTFs, cybersecurity and the broad field that is computer science.

Latest Posts

• Hack.lu CTF 2024: REGenerating EXperience

  November 1, 2024

  Funny enough, this another more irregular challenge. Although it deals with regular expressions...

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• Midnight Sun CTF 2024 Quals: roprot

  April 28, 2024

  A crackme that uses ROP?! You have to take a look at this challenge, trust me.

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• KalmarCTF 2024: Symmetry

  March 24, 2024

  One year after they first organized a CTF, kalmarunionen brought us a challenging competition again. I especially enjoyed the series Symmetry.

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• CyberSecurityRumble Quals & Finals 2023

  October 13, 2023

  After the forced pause this years edition of the CyberSecurityRumble finally returned with an onsite finals event. Let's look back at two interesting challenges!

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• Writeups from Google Capture The Flag 2023

  July 8, 2023

  A year ago I started my journey here with a misc and a web challenge. This year I can present you two binary challenge solutions!

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• hxp CTF 2022 tex_based_adventure: Post-CTF writeup

  April 11, 2023

  Game reversing challenges aren't rare and maybe you already know that LaTeX has full programming language support. But did you ever see a game implemented in it?

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• KITCTFCTF22 Slots

  February 10, 2023

  Two months ago I wrote my first ever CTF challenge. Let's look at it together in this author writeup!

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• Writeups from DiceCTF 2023

  February 9, 2023

  As it is my main field of interest currently, I mainly worked on reversing challenges this DiceCTF. I'll go over the challenges parallelism and not-baby-parallelism, two challenges I really enjoyed. So let's dive right in!

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• About this blog

  January 22, 2023

  I just started my blog. Find out more about its goals and topics here.

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