I found out about this by reading Nick’s rootsecure.net news letter. The Shmoo group has release a presentation on using Window's WMI to make war driving tools. You windows scripters out there may find this interesting:

http://www.shmoocon.org/wifiwmd4win32.pdf

It also talks about the possibility of writing a worm to go out ant look for WAPs, AKA: War Lounging.