Kismet is a powerful passive scanner available for different platforms and is installed by default on Kali. It is not simply a scanner, but also a wireless frame analysis and intrusion detection tool.
Kismet is composed of two main processes:
kismet_server component does the job of capturing, logging, and decoding wireless frames. Its configuration file is
kismet.conf and it is located at
/etc/kismet/ on Kali Linux. The
kismet_client frontend is a ncurses-based interface that displays the detected APs, statistics, and network details. To run it, we type
kismet on the command line or navigate to Kali Linux | Wireless Attacks | 802.11 Wireless Tools | Kismet from the Application