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by milkshakes 4292 days ago
malware authors have been using this technique for some time: http://www.cs.berkeley.edu/~mobin/publications/2013/DNS_USEN...
1 comments
click170 4291 days ago
How to start protecting yourself against this.

http://www.neustar.biz/blog/how-to-identify-prevent-dns-tunn...

link