@article{CAIA-JP-150401, title = {{Pattern-Based Survey and Categorization of Network Covert Channel Techniques}}, author = {Steffen Wendzel and Sebastian Zander and Bernhard Fechner and Christian Herdin}, month = {April}, year = {2015}, pages = {50:1--50:26}, volume = {47}, number = {3}, journal = {ACM Computing Surveys}, doi = {10.1145/2684195}, url = {http://doi.acm.org/10.1145/2684195} }