How about "dsniff"...maybe (possibility) they use dsniff to sniffing network cause this tool is powerfull...dsniff is sniffer with ability to handle FTP, Telnet, SMTP, HTTP, POP, poppas, NNTP, IMAP, SNMP, LDAP, Rlogin, RIP, OSPF, PPTP MS-CHAP, NFS, VRRP, YP/NIS, SOCKS, X11, CVS, IRC, AIM, ICQ, Napster, PostgreSQL, Meeting Maker, Citrix ICA, Symantec pcAnywhere, NAI Sniffer, Microsoft SMB, Oracle SQL*Net, Sybase and Microsoft SQL authentication info.,,,<<<you can see how powerful they are

cheerss