The Sentinel project is designed to be a portable, accurate implementation of all publicly known promiscuous detection techniques. Sentinel currently supports 3 methods of remote promiscuous detection: The DNS test, Etherping test, and ARP test. Support for the ICMP Ping Latency test is under development.
You can download it from the following link: https://packetstormsecurity.com/files/download/17211/sentinel-0.09.tar.gz
Source: https://packetstormsecurity.com/files/17211/sentinel-0.09.tar.gz.html