Extensible Messaging and Presence Protocol XMPP (Jabber) Penetration Testing

Tools: pidgin, psi

XMPP is a communication protocol similar to IRC that is being used to chat between users. It has features like Instant Messaging (IM), contact list maintenance and presence information.

Tips and tricks:

pidgin -d 

(Debug mode. In some scenarios, you can enumerate users within an AD environment that they use XMPP to go for an ASREPRoast attack)