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SID: 2048529 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3Oct 10, 2023, 12:00 PM

ET INFO Observed DNS over HTTPS Domain in TLS SNI (jackyes .ovh)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed DNS over HTTPS Domain in TLS SNI (jackyes .ovh)"; flow:established,to_server; tls.sni; bsize:11; content:"jackyes.ovh"; fast_pattern; reference:url,github.com/curl/curl/wiki/DNS-over-HTTPS; classtype:misc-activity; sid:2048529; rev:3; metadata:affected_product Any, created_at 2023_10_10, deployment Perimeter, malware_family DoH, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_01, reviewed_at 2023_10_10, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1572, mitre_technique_name Protocol_Tunneling;)

Oct 10, 2023, 12:00 PM

Dec 1, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 18, 2025, 8:35 PM

rules/emerging-info.rules