Improved artifact scanner from Malware Analysis Cookbook http://www.attackdefendsecure.com/2012/07/improved-artifact-scanner-malware-analysis-cookbook/

An Overview Of Protocol Reverse-Engineering http://computer-forensics.sans.org/blog/2012/07/03/an-overview-of-protocol-reverse-engineering

Enterprise Campus [Design Zone for Security] http://www.cisco.com/en/US/docs/solutions/Enterprise/Security/SAFE_RG/chap5.html