Versions (2)
Version DetailsCurrent
Rev: 1 • Feb 4, 2026, 12:00 PMET INFO Observed DNS Query to Blockchain RPC Domain (polygon .therpc .io)
alert dns $HOME_NET any -> any any (msg:"ET INFO Observed DNS Query to Blockchain RPC Domain (polygon .therpc .io)"; dns.query; dotprefix; content:".polygon.therpc.io"; nocase; endswith; classtype:misc-activity; sid:2067314; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_02_04, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_04;)
Feb 4, 2026, 12:00 PM
Feb 4, 2026, 12:00 PM
Feb 4, 2026, 10:34 PM
Feb 6, 2026, 10:34 PM
rules/emerging-info.rules