Versions (4)
Version DetailsCurrent
Rev: 2 • Aug 24, 2022, 12:00 PMET INFO URL Shortening Service Domain in DNS Lookup (n9 .cl)
alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening Service Domain in DNS Lookup (n9 .cl)"; dns.query; content:"n9.cl"; nocase; bsize:5; classtype:misc-activity; sid:2038606; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_08_24, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Aug 24, 2022, 12:00 PM
Apr 28, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 1, 2025, 8:35 PM
rules/emerging-info.rules