Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortening/File Sharing Service Domain in DNS Lookup (d .pr)"; dns.query; bsize:4; content:"d.pr"; nocase; classtype:misc-activity; sid:2050663; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_01, reviewed_at 2024_05_06;)