alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Lactrodectus Domain"; dns.query; dotprefix; content:".grebiunti.top"; nocase; endswith; classtype:trojan-activity; sid:2051083; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_26, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_26;)