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SID: 2052992 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3May 29, 2024, 12:00 PM

ET INFO Observed DNS Over HTTPS Domain (doh1 .infotek .net .id) in TLS SNI

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed DNS Over HTTPS Domain (doh1 .infotek .net .id) in TLS SNI"; flow:established,to_server; tls.sni; bsize:19; content:"doh1.infotek.net.id"; fast_pattern; reference:url,github.com/curl/curl/wiki/DNS-over-HTTPS; classtype:misc-activity; sid:2052992; rev:3; metadata:affected_product Any, created_at 2024_05_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag DNS_over_HTTPS, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1572, mitre_technique_name Protocol_Tunneling;)

May 29, 2024, 12:00 PM

Dec 1, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 11, 2025, 10:35 PM

rules/emerging-info.rules