Funhxx17.zip | Authentic

The core "trick" of this machine involves how the system handles this specific zip file.

Some versions of this challenge require you to crack the password of FUNHXX17.zip using fcrackzip or john with the rockyou.txt wordlist. The password is often found to be "p@ssword" or similar simple variations. 3. Initial Access Once unzipped by the system:

After gaining a shell as a low-privileged user (often www-data or tom ): Check for binaries that can be run as root. FUNHXX17.zip

FUNHXX17.zip is a target file associated with the (sometimes referred to as Funbox 11 or UnderTheGround) Capture The Flag (CTF) machine, available on platforms like Vulnhub and OffSec's Proving Grounds. Write-up: Funbox UnderTheGround (FUNHXX17.zip)

Scanning the web server (Port 80) usually reveals a directory like /backups/ where this same zip file might be hosted or referenced. 2. Exploiting FUNHXX17.zip The core "trick" of this machine involves how

The machine runs a background cron job or script that automatically processes/unzips files placed in certain directories (like /var/www/html/uploads or the FTP upload folder).

This machine focuses on insecure file handling and exploitation of automated scripts. The FUNHXX17.zip file is the central piece of the initial exploitation phase. Write-up: Funbox UnderTheGround (FUNHXX17

Look for writable scripts in /etc/crontab that are executed by root.