ET INFO Observed DNS Over HTTPS Domain (orpi .privado .ovh in TLS SNI)

SID: 2050387Rev: 37 viewsHistory

Sourceet/open

CreatedJanuary 24, 2024

UpdatedDecember 1, 2024

Classificationmisc-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed DNS Over HTTPS Domain (orpi .privado .ovh in TLS SNI)"; flow:established,to_server; tls.sni; bsize:16; content:"orpi.privado.ovh"; fast_pattern; reference:url,github.com/curl/curl/wiki/DNS-over-HTTPS; classtype:misc-activity; sid:2050387; rev:3; metadata:created_at 2024_01_24, performance_impact Low, confidence High, signature_severity Informational, 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;)

References

url	github.com/curl/curl/wiki/DNS-over-HTTPS

Metadata

created at2024_01_24

performance impactLow

confidenceHigh

signature severityInformational

tagDescription_Generated_By_Proofpoint_Nexus

updated at2024_12_01

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1572

mitre technique nameProtocol_Tunneling

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