ET INFO Observed Dynamic DNS Service Domain in TLS SNI (duia .ro)
Sourceet/open
CreatedNovember 1, 2022
UpdatedNovember 1, 2022
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Dynamic DNS Service Domain in TLS SNI (duia .ro)"; flow:established,to_server; tls.sni; dotprefix; content:".duia.ro"; endswith; fast_pattern; classtype:misc-activity; sid:2039615; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2022_11_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_01;)
Metadata
affected productAny
attack targetClient_and_Server
created at2022_11_01
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_11_01
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