Advent of Cyber Prep Track Tryhackme Walkthrough Writeup
Completed the TryHackMe Advent of Cyber Prep Track? Boost your cybersecurity skills with hands-on challenges covering networking, Linux, web, and security fundamentals. Start your ethical hacking journey today.
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Jawstar
11/21/20254 min read


Task 5 : Challenge 1 - Password Pandemonium
Password Pandemonium
As you log into your new TBFC workstation, an alert pops up:
“Weak passwords detected on 73 TBFC accounts!”
Even McSkidy’s password, P@ssw0rd123, has been flagged. Before gaining full access, you’ll need to prove your password prowess.
Strong passwords are one of the simplest yet most effective defences against cyber attacks.
Objective:
Create a password that passes all system checks and isn’t found in the leaked password list.
Steps:
Enter a password with at least 12 characters.
Include uppercase, lowercase, numbers, and symbols.
Ensure it isn’t in the breach database.
What's the flag?
THM{StrongStart}
Task 6 : Challenge 2 — The Suspicious Chocolate.exe
The Suspicious Chocolate.exe
A shiny USB labelled “SOCMAS Party Playlist” appears on your desk. Inside is a mysterious file called chocolate.exe.
It looks festive, but who sent it?
In this challenge, you’ll scan the file using a simulated VirusTotal tool to decide whether it’s safe or malicious.
Checking suspicious files is a crucial skill for every defender.
Objective:
Determine if chocolate.exe is safe or infected.
Steps:
Click the “Scan” Button.
Review the scan report (49 clean results, 1 malicious).
Decide correctly whether the file is safe or dangerous.
What's the flag?
THM{NotSoSweet}
Task 7 : Challenge 3 — Welcome to the AttackBox!
Welcome to the AttackBox!
You step into TBFC’s AttackBox, a secure virtual environment built for training. The system hums quietly, waiting for your first command.
This is where defenders learn, break, and rebuild safely. Getting comfortable with the command line is your first step toward cyber mastery.
Objective:
Find and read the hidden welcome message inside your AttackBox.
Steps:
Use ls to list files.
Use cd challenges/ to change directories.
Use cat welcome.txt to read the text file.
What's the flag?
THM{Ready2Hack}
The CMD Conundrum
McSkidy’s workstation shows signs of tampering, suspicious files moved, logs wiped, and a strange folder named mystery_data.
It’s time to use the Windows Command Prompt to uncover what’s hidden.
Learning these commands helps you investigate systems and find what the GUI can’t.
Objective:
Find the hidden flag file using Windows commands.
Steps:
Use dir to list visible files.
Try dir /a to reveal hidden ones.
Use type hidden_flag.txt to read the flag.
What's the flag?
THM{WhereIsMcSkidy}
Task 8 : Challenge 4 — The CMD Conundrum
Task 9 : Challenge 5 — Linux Lore
Linux Lore
TBFC’s delivery drones are glitching, dropping eggs instead of presents! McSkidy’s last login came from a Linux server, and something in his account might explain why.
Linux powers most servers worldwide, and knowing how to search within it is a must for any defender.
Objective:
Locate McSkidy’s hidden message in his Linux home directory.
Steps:
Use cd /home/mcskidy/ to enter his folder.
Run ls -la to show all files.
Use cat .secret_message to reveal the flag.
What's the flag?
THM{TrustNoBunny}
Task 10 : Challenge 6 - The Leak in the List
The Leak in the List
Rumours swirl that TBFC’s data has been leaked. Emails are bouncing, and the staff are panicking.
McSkidy suspects his account might have been part of a breach.
Defenders often use tools like Have I Been Pwned to check for compromised accounts. Early detection can stop an attack from spreading.
Objective:
Check if McSkidy’s email has appeared in a breach.
Steps:
Enter mcskidy@tbfc.com into the breach checker.
Review results for each domain.
Identify the one marked “Compromised.”
What's the flag?
THM{LeakedAndFound}
Task 11 : Challenge 7 — WiFi Woes in Wareville
WiFi Woes in Wareville
The TBFC drones are looping endlessly over Wareville Square. Someone logged into the company router using default credentials!
Securing WiFi is critical. Default passwords are like leaving the front gate wide open.
Objective:
Log into the router and secure it with a strong new password.
Steps:
Log in with username admin and password admin.
Go to “Security Settings.”
Set a new strong password that passes validation.
What's the flag?
THM{NoMoreDefault}
Task 12 : Challenge 8 — The App Trap
The App Trap
McSkidy’s social account has gone rogue, posting strange messages about “EASTMAS.” A suspicious third party app may be behind it.
Learning to review and manage app permissions helps stop data leaks before they start.
Objective:
Find and remove the malicious connected app.
Steps:
Review the list of connected apps.
Look for one with unusual permissions (like “password vault” access).
Click “Revoke Access.”
What's the flag?
THM{AppTrapped}
Task 13 : Challenge 9 — The Chatbot Confession
The Chatbot Confession
TBFC’s AI assistant, FestiveBot, was meant to help write cheerful emails, but it’s been spilling secrets.
Some messages reveal internal URLs and even passwords.
AI tools can be powerful, but defenders must know how to prevent them from oversharing.
Objective:
Identify which chatbot messages contain sensitive information.
Steps:
Read each line of the conversation.
Select the ones containing private data.
Submit your findings.
What's the flag?
THM{DontFeedTheBot}
Task 14 : Challenge 10 — The Bunny’s Browser Trail
The Bunny’s Browser Trail
SOCMAS web servers are showing heavy traffic, but one log entry stands out:
“User Agent: BunnyOS/1.0 (HopSecBot)”
Someone or something has infiltrated the system.
User Agent strings help defenders spot automated or suspicious visitors in network logs.
Objective:
Find the unusual User Agent in the HTTP log.
Steps:
Read the provided web log entries.
Compare them to common browsers (Chrome, Firefox, Edge).
Identify and select the suspicious entry.
What's the flag?
THM{EastmasIsComing}
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