| Category | Behaviors | Examples |
| Instant Messaging | Login, messaging, file transfer, online game, audio/video commun., user search | MSN, Yahoo Messenger, ICQ, AIM, QQ, TM, Odigo, IRC, Web IM, Hello, POP, Tlen |
| P2P | Connect | BT, WinMX, DirecConnect, PP365, eDonkey2000, FastTrack, Gnutella, PiGo, WinNy, Poco, iMesh, Share, Thunder, QQDownload, Freecast, DAAP |
| Web Control | Gmail, Yahoo Web Mail, Hotmail, download attachment, applet/ActiveX | Web Mail, Web-based application |
| File Transfer | Command execution, file transfer, download, upload | FTP clients, GetRight, FlashGet, web file transfer |
| Streaming Media | Connect, login, media communication | Windows Media Player, RealPlayer, Winamp, QuickTime, Player365, PPLive, QQLive, PodcastBar, iTune, Macromedia, Flash, multimedia, TVAnts, PPStream, Feidian, Joost |
| VoIP | Login, file transfer | Skype |
| Encrypted Channel and Tunneling | Login, communication | Softether, VNN, Hamachi, PacketiX, TinyVPN, TUNNEL HTTP-Tunnel client, Tor, Ping Tunnel, Wujie, Freegate, SSL |
| Terminals | Login | PCAnywhere, VNC, LogMeIn |