from the doc: 'MSN sniffer is a handy network utility to capture MSN chat on network. It records MSN conversations automatically. All intercepted messages can be saved as HTML files for later processing and analyzing.It is very easy to make it to work. Just run the MSN sniffer on any computer on your network, and start to capture. It will record any conversation from any PC on the network. No additional program installation is needed on the monitoring target computers. Everything will be recorded without being detected. It is especially useful for administrators or parents, who need to monitor what their employees or kids are talking about with others.Features:* Real-time Packet Analyzer Parse and decode MSN protocol. Enable on-the-fly content viewing MSN conversations while capturing and analyzing. * Powerful MSN Messenger Conversation Sessions Rebuilder Recognize the reconstructed stream of each conversation sessions. Through analyzing MSN packets in the same TCP connection, reassemble the original conversations transfered by MSN protocol. You can easily view and save chatting content as HTML files.* Powerful Packet-capturing Engine MSN Sniffer utilizes the same packet-capturing engine as EffeTech HTTP Sniffer and EtherDetect Packet Sniffer, which are stable and efficient.* Exact Timestamp Exactly record who, when and what have said.'
msnsniffer.exe