This is another intriguing example of a covert communication channel [1] [2]. [1] http://en.wikipedia.org/wiki/Covert_channel http://en.wikipedia.org/wiki/Cove

This is another intriguing example of a covert communication channel [1] [2]. [1] http://en.wikipedia.org/wiki/Covert_channel http://en.wikipedia.org/wiki/Covert_channel [2] File Transfer OverDNS - https://news.ycombinator.com/item?id=7370917 https://news.ycombinator.com/item?id=7370917