Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (247ithelp .net)"; flow:established,to_server; tls.sni; dotprefix; content:".247ithelp.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:2067371; rev:2; metadata:affected_product ConnectWise, attack_target Client_and_Server, created_at 2026_02_06, deployment Perimeter, deprecation_reason Duplicate, performance_impact Low, confidence High, signature_severity Informational, tag RAT, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)