Versions (4)
Version DetailsCurrent
Rev: 2 • Jan 20, 2022, 12:00 PMET INFO URL Shortening Service Domain in DNS Lookup (s3r .io)
alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening Service Domain in DNS Lookup (s3r .io)"; dns.query; content:"s3r.io"; nocase; bsize:6; classtype:misc-activity; sid:2034950; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_01_20, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Jan 20, 2022, 12:00 PM
Apr 28, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-info.rules