Rule History

alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO PTUNNEL INBOUND"; itype:0; icode:0; content:"|D5 20 08 80|"; depth:4; reference:url,github.com/madeye/ptunnel; reference:url,cs.uit.no/~daniels/PingTunnel/#protocol; classtype:protocol-command-decode; sid:2016146; rev:3; metadata:created_at 2013_01_03, confidence High, signature_severity Informational, updated_at 2019_07_26;)