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Tag: NC3 CTF 2021

6 Posts
Dec 16, 2021

Danish Christmas CTF 2021 by NC3/Police – Intermediary – DangerZone 1/4

Writeup 0

The last challenge I had time for, was the DangerZone 1/4. In total, the DangerZone challenge is comprised of 4 parts with this one in the intermediary category and the…

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Dec 16, 2021

Danish Christmas CTF 2021 by NC3/Police – Intermediary – Zoomer

Writeup 0

Going forward, the next challenge in the Intermediary category is called "Zoomer". We are provided with a file called zoomer.jpg and the text "Are you a Zoomer?". First things first,…

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Dec 16, 2021

Danish Christmas CTF 2021 by NC3/Police – Intermediary – Nisseminder

Writeup 1

Okay - now to some fun memory forensics! This challenge in the intermediary category is called "Nisseminder" or in english "Elfs Memory". For the challenge, we are provided with a…

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Dec 16, 2021

Danish Christmas CTF 2021 by NC3/Police – Intermediary – Hej Verden!

Writeup 0

Next challenge in the intermediary category is called "Hej Verden!" meaning "Hello World!". In the challenge description we are provided a .txt-file. Downloading the file and looking into it we…

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Dec 16, 2021

Danish Christmas CTF 2021 by NC3/Police – Intermediary – Bitmap Cache

Writeup 0

So with the beginner-category done, the "Øvet" (intermediary) category is the next category I'm going to tackle. Now, with larger write-ups for these, they will get their own blog-posts. This…

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Dec 16, 20212021-12-16

Danish Christmas CTF 2021 by NC3/Police – The Beginner Category

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For the fifth year in a row, NC3 (National Cyber Crime Center) under the danish police are hosting a Christmas CTF in the classic Jeopardy-style. With 22 challenges, the fun…

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Recent Posts

  • Side Quest Challenge 1 – Advent of Cyber 2023 – TryHackMe
  • Day 19 – Memory Forensics – Advent of Cyber 2023 – TryHackMe Challenge
  • Day 18 – Linux Forensics Cryptominer – Advent of Cyber 2023 – TryHackMe Challenge
  • Day 17 – Netflow analysis – Advent of Cyber 2023 – TryHackMe Challenge
  • Day 16 – ML CAPTCHA automation – Advent of Cyber 2023 – TryHackMe Challenge

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