Scenario

You have been presented with the opportunity to work as a junior DFIR consultant for a big consultancy. However, they have provided a technical assessment for you to complete. The consultancy Forela-Security would like to gauge your Windows Event Log Analysis knowledge. We believe the Cyberjunkie user logged in to his computer and may have taken malicious actions. Please analyze the given event logs and report back.

https://app.hackthebox.com/sherlocks/LogJammer


We unzip and see we have this logs

Screenshot 2025-08-07 002737.png

I will be using splunk and will show you how you can use it as well so of course first you have to download it from this link : https://www.splunk.com/en_us/download.html

now you open it and click on Monitor

Screenshot 2025-08-07 002821.png

then File & Directories

Screenshot 2025-08-07 002838.png

Then choose the path of the logs

Screenshot 2025-08-07 003002.png

name the index (this is optional)

Screenshot 2025-08-07 003105.png

and that's it

Screenshot 2025-08-07 003430.png

but for me my trial license is over so i can change it to free trial in settings right nooooo it didn’t work i had to do it manually so i will tell you how as well