This Blue Team challenge was published on April 20, 2023, on CyberDefenders.org. You can access the challenge at https://cyberdefenders.org/blueteam-ctf-challenges/101#nav-overview. Shoutout to Tyler Hudak for creating the challenge. I completed the challenge on the same day it was published. I got so hooked that I didn’t want to stop until I completed it. I rated the …
Author Archives: lightkunyagami
How To Revoke A Letsencrypt Certificate If You Don’t Have The Account That Issued It Or The Private Key
Have you ever been in a situation where your organization stopped using cloud service and then realized that a valid certificate is still tied to the old IP address that you were assigned? That is the exact situation we were in, a scammy-looking gaming site was using the same IP address that our organization was …
Try Hack Me: Boogeyman 1 (BlueTeam)
This room was released on 4/14/2023 and is rated medium in difficulty. Shout-out to the room creator, ar33zy. You can access the room at https://tryhackme.com/room/boogeyman1/. This is a blueteam side of the cybersecurity field. The skills/tools to be tested and needed to complete this challenge are Phishing Analysis, PowerShell Log Analysis, Linux Commands, and Traffic …
CyberDefenders: BlackEnergy
This Blue Team challenge was released on February 19, 2023 from CyberDefenders.org. You can access the room at https://cyberdefenders.org/blueteam-ctf-challenges/99#nav-questions. Shoutout to @HouseOfStark for creating the challenge and also for being so responsive and kind in entertaining questions and inquiries about the challenge on Discord. I’ve had interactions with other creators where they just shrugged their …
How to Setup Your Own Malware Analysis Box – Cuckoo Sandbox
I am writing this blog entry because I know I was not the only one who had trouble setting up my own malware analysis box – Cuckoo. I have tried many tutorials, both written and video recorded, and I could never make it work. Finally, I decided to work on it until I came up …
Continue reading “How to Setup Your Own Malware Analysis Box – Cuckoo Sandbox”
Try Hack Me: b3dr0ck
This room was released on 8/26/2022 and is rated medium in difficulty. Shout-out to the room creator, @F11snipe. You can access the room at https://tryhackme.com/room/b3dr0ck. Scenario: Barney is setting up the ABC web server and using TLS certs to secure connections, but he’s having trouble. Here’s what we know: He established Nginx on port 80, …
Try Hack Me: Hacker vs. Hacker
This room was released on 8/12/2022 and is rated easy in difficulty. Shout-out to the room creator, @Aquinas. You can access the room at https://tryhackme.com/room/hackervshacker# Scenario: The server of a recruitment company appears to have been hacked, and the hacker has defeated all attempts by the admins to fix the machine. They can’t shut it …
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 …
N00b_H@ck3r 
You must be logged in to post a comment.