alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (remotix .com)"; flow:established,to_server; tls.sni; dotprefix; content:".remotix.com"; endswith; fast_pattern; reference:url,care.acronis.com/s/article/70116-Acronis-Cyber-Protect-Connect-Ports?language=en_US; reference:url,attack.mitre.org/techniques/T1219/; classtype:misc-activity; sid:2067377; rev:1; metadata:affected_product Acronis, attack_target Client_and_Server, created_at 2026_02_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RAT, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)