@inproceedings{DnsCNC2011,
  author    = {Christian J. Dietrich and
               Christian Rossow and
               Felix C. Freiling and
               Herbert Bos and
               Maarten van Steen and
               Norbert Pohlmann},
  title     = {{On Botnets that use DNS for Command and Control}},
  booktitle = {Proceedings of European Conference on Computer Network Defense - EC2ND},
  year      = {2011}
}