Rule History

SID: 2033621 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jul 30, 2021, 12:00 PM

Message:

ET POLICY Observed SSL Cert (DNS Service)

Rule:

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;)

Created:

Jul 30, 2021, 12:00 PM

Updated:

Jul 30, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 9, 2025, 9:34 PM

Filename:

rules/emerging-policy.rules