ET HUNTING SSL/TLS Certificate Observed (OpenNIC Project API)

7.0.35.0SID: 2032744Rev: 2Enabled0 views
Sourceet/open
Fileemerging-hunting.rules
CreatedApril 12, 2021
UpdatedMarch 25, 2024
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; bsize:25; content:"CN=api.opennicproject.org"; fast_pattern; reference:url,wiki.opennic.org/API; classtype:bad-unknown; sid:2032744; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_04_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_03_25;)

References

urlwiki.opennic.org/API

Metadata

attack targetClient_Endpoint
created at2021_04_12
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2024_03_25

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