Versions (4)
Version DetailsCurrent
Rev: 2 • Feb 9, 2023, 12:00 PMET INFO URL Shortening Service Domain in DNS Lookup (surl .li)
alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening Service Domain in DNS Lookup (surl .li)"; dns.query; content:"surl.li"; nocase; bsize:7; classtype:misc-activity; sid:2044151; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_02_09, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_31;)
Feb 9, 2023, 12:00 PM
May 31, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 25, 2025, 9:35 PM
rules/emerging-info.rules