ET POLICY Observed SSL Cert (DNS Service)

Query · suricata

flow:from_server,established;
tls.cert_subject;
content:".sslip.io"; endswith; nocase; fast_pattern;
Raw source ET POLICY Observed SSL Cert (DNS Service) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tls $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET POLICY Observed SSL Cert (DNS Service)";
    flow:from_server,established;
    tls.cert_subject;
    content:".sslip.io"; endswith; nocase; fast_pattern;
    classtype:policy-violation;
    sid:2033621; rev:1;
    metadata:created_at 2021_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_30;
)

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