alert dns $HOME_NET any -> any any (msg:"ET INFO playit .gg Tunneling Domain in DNS Lookup"; dns.query; dotprefix; content:".at.ply.gg"; nocase; endswith; reference:url,playit.gg/; classtype:bad-unknown; sid:2044590; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_03_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1572, mitre_technique_name Protocol_Tunneling;)