Funhxx17.zip [ Browser ]

Running nmap reveals open ports, typically 21 (FTP) , 22 (SSH) , and 80 (HTTP) .

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). FUNHXX17.zip

Create a symlink to a sensitive file (like /root/root.txt or /etc/shadow ) or a directory. Compress the symlink using the --symlinks flag in zip . Upload it back to the server. Running nmap reveals open ports, typically 21 (FTP)

Because the unzipping process often runs with high privileges (or as a user with write access to the webroot), you can create a malicious zip file containing a symbolic link . Running nmap reveals open ports