Advent of Cyber 2023

This page contains a walkthrough and notes for TryHackMe’s Advent of Cyber 2023 event.

Advent of Cyber 2023 is a cybersecurity learning event hosted by TryHackMe. It is beginner-friendly, free to participate, and awesome!

Best of all, Advent of Cyber is a great way of learning the basics of cybersecurity with daily, hands-on challenges! If you complete all of the challenges, TryHackMe will issue you a certificate so you can brag online about being a ‘1337’ hacker!

TryHackMe has hosted an annual Advent of Cyber event for the last five years. The 2023 iteration is called Advent of Cyber 2023 (the URL is ‘https://tryhackme.com/room/adventofcyber2023‘).

You can also find out more about this event at: https://tryhackme.com/r/christmas. There’s some good information on this page, including what topics are covered by the daily challenges.

Advent of Cyber covers so much information that it’s super difficult to get the entire walkthrough onto a single page. You can find walkthroughs for each day below.

Walkthroughs for Advent of Cyber 2023

Day 1 – Machine learning – Chatbot, tell me, if you’re really safe?
Day 2 – Log analysis – O Data, All Ye Faithful
Day 3 – Brute-forcing – Hydra is Coming to Town
Day 4 – Brute-forcing Baby, it’s CeWLd outside
Day 5 – Reverse engineering – A Christmas DOScovery: Tapes of Yule-tide Past
Day 6 – Memory corruption – Memories of Christmas Past
Day 7 – Log analysis – ‘Tis the season for log chopping!
Day 8 – Disk forensics – Have a Holly, Jolly Byte!
Day 9 – Malware analysis – She sells C# shells by the C2shore
Day 10 – SQL injection – Inject the Halls with EXEC Queries
Day 11 – Active Directory Jingle Bells, Shadow Spells
Day 12 – Defence in depth Sleighing Threats, One Layer at a Time
Day 13 – Intrusion detection To the Pots, Through the Walls
Day 14 – Machine learning The Little Machine That Wanted to Learn
Day 16 – Machine learning Can’t CAPTCHA this Machine!
Day 17 – Traffic analysis I Tawt I Taw A C2 Tat!