A special thanks goes out to all of the developers, contributors, and authors of Ettercap. Ettercap is simply an awesome security tool. We re-used the ARP Poisoning, dissector design, and re-direction capabilities of Ettercap within UCSniff.
This sample audio capture demonstrates the real threat of unauthorized VoIP Eavesdropping. The victims had no idea their private VoIP calls were being recorded, but the inside attacker was using UCSniff in a production network environment. Sample G.722 audio conversation of this confidential VoIP conversation can be downloaded here.