alert dns $HOME_NET any -> any any (msg:"ET INFO DYNAMIC_DNS Query to 4nmn .com Domain"; dns.query; dotprefix; content:".4nmn.com"; nocase; endswith; reference:url,alviy.com/redirect/4nmn.com; classtype:misc-activity; sid:2036470; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_05_05, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)