Attack FTP Servers – Since the beginning of Internet FTP Servers are everywhere, open source or proprietary all kinds of Operating System have his own FTP server or TFTP Server. All of them have tons of bugs and well-known CVEs.
Usually FTP servers run on port 21, we can check with nmap or netcat and verify the service banner. These days is very common to find some honeypots running on port 21 i will teach you how to spot then on other article.
Attack FTP Servers
FTP Banner Grabbing
FTP Brute force Attack
Brute forces attacks are the most common attack on FTP Servers, we just setup a simple tool to test a different combination of usernames and passwords using wordlists against FTP authentication system but if the username or password isn’t on those wordlists we fail.
We need to create a custom wordlist for each company based on all data we collect during the recon phase.
Check My Article Here: FTP Brute Force Attack
FTP Bounce Attack
This kind of attack can be very danger
Attack FTP Misconfiguration Servers
Nowadays many people use the same server to different type of services
FTP Anonymous Login
FTP Sniffing Passwords