Bahhumbug.7z

"Bahhumbug.7z" is a forensic/reverse engineering challenge featured in the . The goal is to extract and analyze a hidden payload within a password-protected 7-Zip archive. Direct Answer

Decoding the final Base64 string at the end of the install.ps1 file.

: It scans the user's desktop for files containing the word "gift" or "list" and uploads them to the C2. 5. Final Flag / Conclusion The flag is often found by:

: The file is usually found on a compromised workstation or "dropped" during a simulated phishing attack within the game world.

: Attempting to open the file prompts for a password. Unlike standard ZIP files, 7-Zip often encrypts the filenames themselves, meaning you cannot even see what is inside without the key. 2. Identifying the Password

: Contains Command & Control (C2) server information.

The "meat" of the write-up focuses on the . Key findings usually include: