LetsDefend: Memory Dumper

Another good challenge from LetsDefend.io and kudos to this challenge creator, 0xCyberJunkie.sh. You can access the challenge through this link. I intentionally masked part of the answers so you will have to do the necessary steps to see the entirety of the the answers. Scenario: A Windows endpoint was recently compromised. Thanks to the cutting-edge …

LetsDefend: PDF Analysis

WARNING: Do not open/run the pdf file on your local machine because it is malicious. Use the sandbox to analyze the file. Scenario: An employee has received a suspicious email. The employee reported this incident and mentioned that they did not download or open the attachment as they found the email very suspicious. They wish …

CyberDefenders: GrabThePhisher

This Blue Team challenge was released on 7/23/2022 from CyberDefenders. You can access the room at https://cyberdefenders.org/blueteam-ctf-challenges/95. This is one of the easiest challenges I’ve ever encountered from CyberDefenders.org. This is a perfect challenge for beginners who just want to get their feet wet in doing hacking/IR challenges. The skills/tools to be tested and needed …

CyberDefenders: Mr. Robot

Note: I started with using volatility on my Windows machine, and eventually, I transitioned to working on my Linux machine. Pardon me for screenshots from different OSes. The first task in this challenge is to convert the VMWare Suspended State (.vmss) files to a memory dump so we can perform memory analysis. There is a …

Security Blue Team: More Than Just a Cyber Defender Company, But Also a Mental Health Defender

This is going to be my first blog entry that has nothing to do with any TryHackMe, HackTheBox, CyberDefenders, or Security Blue Team write-ups or walkthroughs. Since my interest in cyber security began, I have always been enamored with the Red Team side of it. But, as I became sucked deeper into the Red Team …

CyberDefenders: DetectLog4j-CTF

This challenge was released on 01/16/2022 from CyberDefenders. You can access the room at https://cyberdefenders.org/labs/86. This is another blueteam challenge. The skills/tools to be tested and needed to complete this challenge are Autopsy or FTK Imager, dnSpy, VirusTotal, and PowerShell. I hope you will find my write-up helpful. What is the computer hostname?vcw65 What is …

Try Hack Me: Conti

This room was released on 1/7/2021 and it is rated Medium in difficulty. Shou-out to the room creator, @heavenraiza who also recognized Bohan Zhang for the challenge. You can access the room at https://tryhackme.com/room/contiransomwarehgh. This is a blueteam challenge. The skills/tools to be tested and needed to complete this challenge are Splunk and Googling. I …

CyberDefenders: BSidesJeddah-Part2 (Memory Image Forensics)

This challenge was released on 12/14/2021 from CyberDefenders. You can access the room at https://cyberdefenders.org/labs/82. This is another blueteam challenge. The skills/tools to be tested and needed to complete this challenge are 99% between volatility2 and volatility3, and 1% Googling, MITRE, Crackstation, and CyberChef. In this challenge, you will gain a better appreciation of how …

Try Hack Me: Carnage

This room was released on 11/25/2021 and it is rated medium in difficulty. Shout-out to the room creators, RussianPanda [She/Her] and Heavenraiza. You can access the room at https://tryhackme.com/room/c2carnage. This is another blueteam side of the cybersecurity field. The skills/tools to be tested and needed to complete this challenge are WireShark, VirusTotal, and Malware and …

Try Hack Me: Squid Game

This room was released on 11/11/2021 and it is rated hard in difficulty. Shout-out to the room creators, @RussianPanda [She/Her] and @heavenraiza. You can access the room at https://tryhackme.com/room/squidgameroom. This is room is more on the blue side of the cybersecurity field. The skills/tools to be tested and needed to eliminate the five attackers in …