eduardo 23 Apr 2013 http://hideandhack.blogspot.pt/ http://www.youtube.com/watch?v=zsyMp5DE-J0 http://www.hideandhack.com/ http://www.hackguide4u.com/2010/03/icmp-tunneling.html https://en.wikipedia.org/wiki/ICMP_tunnel http://neverfear.org/blog/view/9/Using_ICMP_tunneling_to_steal_Internet Tags hide hack ping tunnel icmp