acccheck

The tool is designed as a password dictionary attack tool that targets windows authentication via the SMB protocol. It is really a wrapper script around the ‘smbclient’ binary, and as a result is dependent on it for its execution.

-t [single host IP address]
OR
-T [file containing target ip address(es)]

Optional:
-p [single password]
-P [file containing passwords]
-u [single user]
-U [file containing usernames]
-v [verbose mode]

Examples
Attempt the ‘Administrator’ account with a [BLANK] password.
acccheck -t 10.10.10.1
Attempt all passwords in ‘password.txt’ against the ‘Administrator’ account.
acccheck -t 10.10.10.1 -P password.txt
Attempt all password in ‘password.txt’ against all users in ‘users.txt’.
acccehck -t 10.10.10.1 -U users.txt -P password.txt
Attempt a single password against a single user.
acccheck -t 10.10.10.1 -u administrator -p password