Versions (4)
Version DetailsCurrent
Rev: 10 • Jul 30, 2010, 12:00 PMET POLICY HTTP CONNECT Tunnel Attempt Inbound
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY HTTP CONNECT Tunnel Attempt Inbound"; flow:to_server,established; content:"CONNECT "; nocase; content:"|0d 0a|"; within:1024; distance:0; content:"HTTP/1."; nocase; within:8; distance:-10; content:!"|3a|80"; within:4; distance:-11; content:"CONNECT "; nocase; content:"|0d 0a|"; within:1024; distance:0; content:"HTTP/1."; nocase; within:8; distance:-10; content:!"|3a|443"; within:5; distance:-12; classtype:misc-activity; sid:2000560; rev:10; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jul 30, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 8, 2025, 9:38 PM
rules/emerging-policy.rules