Day 16 – OSINT – Advent of Cyber 3 – TryHackMe Challenge
Day 16 in the Advent of Cyber 3 (2021). Grinch Enterprises has decided to use the Best Festival Company to try their new ransomware service. McSkidy wants our help to…
Tag: CTF
10 Posts
Day 14 – Vulnerable configurations – Advent of Cyber 3 – TryHackMe Challenge
Day 14 in the Advent of Cyber 3 (2021). McDev - the head of the development team, has reached out to McSkidy and the CyberSecurity-team, as the development team is…
Day 13 – Priv. Escalation – Advent of Cyber 3 – TryHackMe Challenge
Day 13 in the Advent of Cyber 3 (2021). McSkidy has been working on a rough draft of a disaster recovery plan, but locked down the permissions to the file…
Day 12 – NFS – Advent of Cyber 3 – TryHackMe Challenge
Day 12 in the Advent of Cyber 3 (2021). Grinch Enterprises has been leaving traces of how their hackers have been accessing data from the systems. How are they accessing…
Danish Christmas CTF 2021 by NC3/Police – Intermediary – DangerZone 1/4
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…
Danish Christmas CTF 2021 by NC3/Police – Intermediary – Zoomer
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,…
Danish Christmas CTF 2021 by NC3/Police – Intermediary – Nisseminder
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…
Danish Christmas CTF 2021 by NC3/Police – Intermediary – Hej Verden!
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…
Danish Christmas CTF 2021 by NC3/Police – Intermediary – Bitmap Cache
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…
Danish Christmas CTF 2021 by NC3/Police – The Beginner Category
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…