Funhxx17.zip -

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

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. FUNHXX17.zip

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, typically 21 (FTP)