Xfreerdp is an RDP client on Kali used to access Windows systems using the RDP protocol. Rdesktop is the normal default RDP client used when running Linux. Xfreerdp has some cool features that hackers love. With Rdesktop, you must have clear text passwords. With Xfreerdp, you can run a Pass the Hash attack and gain access to a Window's remote desktop session without having to crack a captured hash. Xfreerdp is run from the command line and does not have a GUI interface.
You can get a full list of the supported options by typing the following:
xfreerdp -help
The following is a copy of the Help file and the supported options:
FreeRDP - A Free Remote Desktop Protocol Implementation See www.freerdp.com for more ...