How do I find the server program that a malware bot is trying to contact using wireshark?

How do I find the server program that a malware bot is trying to contact using wireshark?

I'm looking at a packet capture of some traffic of a malware infected computer, where do I begin to look in trying to find the server program that the malware bot is trying to contact?
Thanks!
http://i.stack.imgur.com/G4usQ.jpg