Rule History

SID: 2030555 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Jul 17, 2020, 12:00 PM

Message:

ET INFO Outbound RRSIG DNS Query Observed

Rule:

alert dns $HOME_NET any -> any any (msg:"ET INFO Outbound RRSIG DNS Query Observed"; content:"|00 00 2e 00 01|"; fast_pattern; classtype:bad-unknown; sid:2030555; rev:2; metadata:created_at 2020_07_17, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_06;)

Created:

Jul 17, 2020, 12:00 PM

Updated:

Jul 6, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 17, 2025, 9:34 PM

Filename:

rules/emerging-info.rules