A passive network sniffer/packet capturing tool for Windows with a great user interface. It can detect OS’s, sessions, hostnames, open ports etc. without putting any traffic on the network. NetworkMiner can also parse PCAP files for off-line analysis.

Host Detection:

Recieved Frame:

Files:

Images:

Cleartext:

Anomaly Log:

Website: http://sourceforge.net/projects/networkminer/