@InProceedings{ ccied11purchasepair, author = { Chris Kanich and Nicholas Weaver and Damon McCoy and Tristan Halvorson and Christian Kreibich and Kirill Levchenko and Vern Paxson and Geoffrey M. Voelker and Stefan Savage }, title = {{Show Me the Money: Characterizing Spam-advertised Revenue}}, booktitle = { Proceedings of the 20th USENIX Security Symposium }, year = { 2011 }, address = { San Francisco, CA, USA }, month = { August }, }