7. dsniff

• allows to catch passwords traveling in clear text,
  • or just obfuscated !!!
• supports more than 30 standardized / proprietary protocols: FTP, Telnet, SMTP, HTTP, POP, poppass, NNTP, IMAP, SNMP, LDAP, Rlogin, RIP, OSPF, PPTP MS-CHAP, NFS, YP/NIS, SOCKS, X11, CVS, IRC, AIM, ICQ, Napster, PostgreSQL, Meeting Maker, Citrix ICA, Symantec pcAnywhere, NAI Sniffer, Microsoft SMB, Oracle SQL*Net, Sybase et Microsoft SQL.
• strong items:
  • full TCP/IP reassembly,
  • support of asymmetrical routes,
  • auto-magic protocol detection,
  • storage in a Berkeley DB,
  • HTTP: QUERY_STRING and x-www-form-urlencoded parsing.