Version Details
Rev: 5 • Oct 26, 2023, 12:00 PMET INFO Observed DNS Over HTTPS Domain (doh-primary-pool .detoxifypornblocker .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed DNS Over HTTPS Domain (doh-primary-pool .detoxifypornblocker .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:40; content:"doh-primary-pool.detoxifypornblocker.com"; fast_pattern; reference:url,github.com/curl/curl/wiki/DNS-over-HTTPS; classtype:misc-activity; sid:2048917; rev:5; metadata:created_at 2023_10_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_12_01, reviewed_at 2023_11_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1572, mitre_technique_name Protocol_Tunneling;)
Oct 26, 2023, 12:00 PM
Dec 1, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
Aug 18, 2025, 8:35 PM
rules/emerging-info.rules