alert dns $HOME_NET any -> any any (msg:"ET INFO Observed DNS Query to .win TLD"; dns.query; dotprefix; content:".win"; nocase; endswith; fast_pattern; reference:url,icannwiki.org/.win; classtype:misc-activity; sid:2045780; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_19;)