There is only one file type that uses the .KISMAC extension:
KisMAC Webservice File
File created by KisMAC, an open source program used for sniffing and scanning wireless computer networks; contains information acquired from scanning computer networks, such as services and clients; can be used for offline analysis of wireless networks; saved in a compressed format.
KisMAC may be used to gain access to wireless networks by cracking network passwords.
Updated: October 31, 2009