Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed ZeroSSL Certificate for Suspicious TLD (.ga)"; flow:from_server,established; tls.cert_subject; content:".ga"; endswith; tls.cert_issuer; content:"ZeroSSL"; classtype:bad-unknown; sid:2031226; rev:1; metadata:created_at 2020_11_23, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_23;)