alert dns $HOME_NET any -> any any (msg:"ET ADWARE_PUP DNS Query to Seetrol RAT Domain (seetrol .com)"; dns.query; dotprefix; content:".seetrol.com"; nocase; endswith; threshold:type limit,seconds 300,count 1,track by_src; classtype:pup-activity; sid:2049133; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_11_09, deployment Perimeter, malware_family PUP, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_26, reviewed_at 2024_01_26;)