The library of malware traffic patterns have been popular. We found it very useful as well ourselves and we encourage you to send your contributions. I know at some point the spreadsheet will become unwieldy but I personally find it the most easy way (easy sort, search etc)
Currently, most of the samples described have the corresponding samples and pcaps available for download (email Mila @contagio for the password)
such as you see in the links below
Email us at mila [a t ] Deependresearch.org or adimino [a t] deependresearch.org
The current list of malware described (as of Aug. 9, 2013)