Introduction of Tryhackme 2025 Cyber Advent

The Advent of Cyber Prep Track is a special warm-up series composed of 10 short and beginner-friendly cyber security missions. Each mission covers an essential skill-from password security and malware analysis to Linux commands, breach checking, and detecting suspicious user agents.

As the story begins, Wareville, home of The Best Festival Company (TBFC), is preparing for SOCMAS, their annual cyber celebration. But something strange is happening systems are glitching, passwords are failing, drones are misbehaving, and a mysterious name keeps appearing: King Malhare.

To join the SOCMAS Response Team, you must complete the Prep Track and solve the challenges that uncover early clues for the Advent of Cyber 2025 storyline.

How the Tryhackme Cyber Advent 2025 Works

Before diving into the challenges, it’s important to understand the mechanics of the Advent Cyber Prep Track:

• Every task includes a View Site button where the challenge environment loads.
• Clicking it will open a split-screen interface:
  • Instructions appear on the left.
  • Interactive challenge space loads on the right.
• Each challenge environment is different and must be launched individually.

This setup ensures a smooth, immersive learning experience that mirrors real-world cyber security interactions.

Challenge 1 – Password Pandemonium

Strengthening Credentials in the thm Advent of Cyber 2025 Preparation Track

The first challenge in the Advent of Cyber Prep Track addresses a major cyber hygiene concern: weak passwords. As soon as you log into your TBFC workstation, an alarming message pops up:

“Weak passwords detected on 73 TBFC accounts!”

Even McSkidy’s own password has been flagged as unsafe.

Objective

Create a secure password that:

• Is at least 12 characters long
• Includes uppercase, lowercase, numbers, and symbols
• Does not appear in a leaked password list

Learning how to form complex passwords is crucial, especially as attackers frequently target login portals using brute-force attacks or credential stuffing.

Flag

What’s the flag?
THM{StrongStart}

This mission emphasizes that good password practices are an essential line of defense something foundational as you move forward in the Advent of Cyber 2025.

Challenge 2 – The Suspicious Chocolate.exe

Malware Awareness in the Advent of Cyber 2025 Track

The second mission teaches you about analyzing suspicious files. A mysterious USB appears with a file named chocolate.exe, seemingly harmless but potentially malicious.

Using a simulated VirusTotal-style scanner, you evaluate whether the file is safe.

Objective

Scan the executable and determine if it is malicious.

Steps

• Click Scan
• Review detection results:
  • 49 clean
  • 1 malicious
• Identify whether the file is safe

Since malware often disguises itself as innocent software, this scenario teaches you to trust evidence, not assumptions.

Flag

What’s the flag?
THM{NotSoSweet}

This activity highlights malware evaluation another important tool in the Advent of Cyber 2025 Track.

Challenge 3 – Welcome to the AttackBox!

Linux Fundamentals in the Advent of Cyber Preparation Track

You now enter the AttackBox, a controlled environment used for practice and safe exploitation. This challenge builds your command-line confidence.

Objective

Locate and read a hidden welcome message using basic Linux commands.

Required Commands

• ls
• cd challenges/
• cat welcome.txt

Flag

What’s the flag?
THM{Ready2Hack}

Getting comfortable with Linux commands is essential for every participant of the Advent of Cyber Preparation Track, as most cyber tools run in Linux environments.

Challenge 4 – The CMD Conundrum

Windows Command Line Skills in the Advent of Cyber Preparation Track

McSkidy’s workstation shows tampering: files misplaced, logs wiped, and a suspicious folder called mystery_data.

To investigate, you must navigate the Windows CMD interface and uncover a hidden file.

Objective

Find and read the hidden flag using CMD.

Commands Used

• dir
• dir /a (to reveal hidden files)
• type hidden_flag.txt

Flag

What’s the flag?
THM{WhereIsMcSkidy}

This mission teaches the importance of knowing both Windows and Linux commands, a key capability you’ll need throughout the Advent of Cyber Preparation Track.

Challenge 5 – Linux Lore

Exploring Hidden Files in the Advent of Cyber Preparation Track

This challenge takes you deeper into Linux environments. TBFC’s drones are malfunctioning, and McSkidy’s last login came from a Linux account. Something hidden in his home directory might expose the cause.

Objective

Reveal McSkidy’s secret message.

Steps

• cd /home/mcskidy/
• ls -la
• cat .secret_message

Flag

What’s the flag?
THM{TrustNoBunny}

This reinforces the importance of examining hidden directories and files, a technique used often during investigations within the Advent of Cyber Preparation Track.

Challenge 6 – The Leak in the List

Breach Detection in the Advent of Cyber Preparation Track

Rumors are circulating that TBFC experienced a data breach. Using a breach checking tool similar to HaveIBeenPwned, you’ll verify if McSkidy’s email is compromised.

Objective

Check if [email protected] appears in a breach and identify the domain involved.

Flag

What’s the flag?
THM{LeakedAndFound}

This mirrors real defensive operations, where analysts regularly check user emails for compromise strengthening your readiness for the Advent of Cyber Preparation Track.

Challenge 7 – WiFi Woes in Wareville

Router Security in the Advent of Cyber Prep Track

Someone logged into the TBFC router using default credentials, causing drones to malfunction across Wareville Square.

Objective

Log in using:

• Username: admin
• Password: admin
  Then change the password to a strong, validated one.

Flag

What’s the flag?
THM{NoMoreDefault}

This mission underlines that default credentials are a massive risk, and securing network devices is essential in the Advent of Cyber Preparation Track.

Challenge 8 – The App Trap

Third-Party App Security in the Advent of Cyber 2025 Prep Track

McSkidy’s social account is posting bizarre messages about “EASTMAS.” A suspicious third-party app is likely responsible.

Objective

Review connected apps and remove the malicious one with excessive permissions.

Flag

What’s the flag?
THM{AppTrapped}

This challenge teaches why users must always review app permissions—especially relevant as we explore deeper attacks in the Advent of Cyber 2025 Prep Track.

Challenge 9 – The Chatbot Confession

AI Oversharing Risks in the Advent of Cyber 2025 Prep Track

FestiveBot, TBFC’s AI assistant, has been leaking internal secrets, including URLs and passwords. Your task: identify which messages contain sensitive data.

Objective

Analyze the chatbot’s messages and select those leaking private information.

Flag

What’s the flag?
THM{DontFeedTheBot}

This lesson in the Advent of Cyber 2025 Prep Track highlights a modern challenge – AI data leakage, a growing threat in real SOC operations.

Challenge 10 – The Bunny’s Browser Trail

User Agent Analysis in the Advent of Cyber 2025 Prep Track

Network logs show heavy traffic, but an odd user agent stands out:
BunnyOS/1.0 (HopSecBot)

Identifying anomalies like this is vital for defenders.

Objective

Compare HTTP logs with real browser agents, find the suspicious one, and submit it.

Flag

What’s the flag?
THM{EastmasIsComing}

This challenge rounds off the Prep Track by strengthening your log-analysis skills.

Conclusion – Completing the Advent of Cyber 2025 Prep Track

Finishing all 10 missions means you’re officially warmed up for the Advent of Cyber 2025 event. The Advent of Cyber 2025 Prep Track gave you hands-on experience with:

• Password creation
• Malware detection
• Linux and Windows command lines
• Hidden file discovery
• Breach verification
• Router security
• Third-party app inspection
• AI oversharing detection
• Log file analysis

Now, you’re fully prepared to confront the mysteries of Wareville, uncover King Malhare’s schemes, and save SOCMAS.

Happy hacking and welcome to Advent of Cyber 2025!

FAQs

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