Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening Service Domain in DNS Lookup (trimmer .to)"; dns.query; bsize:10; content:"trimmer.to"; nocase; classtype:misc-activity; sid:2052165; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_18;)