ET HUNTING SSL/TLS Certificate Observed (OpenNIC Project API)
Sourceet/open
CreatedApril 12, 2021
UpdatedApril 12, 2021
Classificationbad-unknown
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING SSL/TLS Certificate Observed (OpenNIC Project API)"; flow:established,to_client; tls.cert_subject; content:"CN=api.opennicproject.org"; bsize:25; fast_pattern; reference:url,wiki.opennic.org/API; classtype:bad-unknown; sid:2032744; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_04_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2021_04_12;)
References
Metadata
attack targetClient_Endpoint
created at2021_04_12
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2021_04_12
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