Some Windows systems support Remote Desktop (RDP) connections. For security, all RDP connections must use ssh tunnels.
mycomp> chmod 755 csordp.pl
mycomp> csordp.pl -C -l user winuser@target
mycomp> ssh -C -X user@kilauea.caltech.edu
kilauea> csordp.pl winuser@target
mac> tunnelopen.pl -C -l user@kilauea.caltech.edu rdp://winuser@target
mac1> ssh -C -L 12345:localhost:3389 user@kilauea.caltech.edu
linux1> ssh -C -L 12345:localhost:3389 user@kilauea.caltech.edu
linux2> rdesktop -u winuser target
mycomp> ssh -C -X user@kilauea.caltech.edu
kilauea> rdesktop -u winuser target