alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (* .dwservice .net)"; flow:established,to_server; tls.sni; dotprefix; content:".dwservice.net"; endswith; fast_pattern; reference:url,attack.mitre.org/techniques/T1219/; reference:url,help.gorelo.io/en/articles/8651857-gorelo-connect-remote-control; reference:url,discord.gorelo.io/m/1399561240031789116; classtype:misc-activity; sid:2069633; rev:1; metadata:attack_target Client_and_Server, created_at 2026_06_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RAT, tag RemoteAccessTool, updated_at 2026_06_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)