nxc-ftp
Pentest and exploit FTP servers.
TLDR
Search for valid credentials by trying out every combination in the specified lists of [u]sernames and [p]asswords
$ nxc ftp [192.168.178.2] -u [path/to/usernames.txt] -p [path/to/passwords.txt]
Continue searching for valid credentials even after valid credentials have been found
$ nxc ftp [192.168.178.2] -u [path/to/usernames.txt] -p [path/to/passwords.txt] --continue-on-success
Perform directory listings on each FTP server the supplied credentials are valid on
$ nxc ftp [192.168.178.0/24] -u [username] -p [password] --ls
Download the specified file from the target server
$ nxc ftp [192.168.178.2] -u [username] -p [password] --get [path/to/file]
Upload the specified file to the target server at the specified location
$ nxc ftp [192.168.178.2] -u [username] -p [password] --put [path/to/local_file] [path/to/remote_location]