PromiScan 

PromiScan is a renowned sniffing node detection tool and has been used worldwide ever since its release. Promiscan is one of the tools mentioned in the 2003 SANS/FBI Top 20.
sniffing sniffer detecting detection detector monitoring monitor eavesdropping wiretap packet capture promiscuous mode intranet

FramePad 

FramePad is a network protocol analyzer and monitoring tool for Windows 98/NT/2000/XP. It allows you to examine data from a live network or from a capture file on disk.
network protocol decoder packet analyzer sniffer adapter