Rule History

SID: 2061043 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Mar 25, 2025, 12:00 PM

Message:

ET INFO Observed DNS Query to External IP Lookup Domain (api .country .is)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET INFO Observed DNS Query to External IP Lookup Domain (api .country .is)"; dns.query; bsize:14; content:"api.country.is"; nocase; classtype:external-ip-check; sid:2061043; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_03_25, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_03_25;)

Created:

Mar 25, 2025, 12:00 PM

Updated:

Mar 25, 2025, 12:00 PM

DB Created:

Mar 25, 2025, 10:34 PM

DB Updated:

Jul 3, 2025, 8:34 PM

Filename:

rules/emerging-info.rules