alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Zecurit RMM Activity - Agent Exfil User Fingerprint"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/endpointmanager/api/devices/device-info"; fast_pattern; startswith; http.host; bsize:15; content:"app.zecurit.com"; reference:url,attack.mitre.org/techniques/T1219/; classtype:misc-activity; sid:2072062; rev:1; metadata:attack_target Client_and_Server, created_at 2026_09_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RAT, tag RemoteAccessTool, tag Zecurit, updated_at 2026_09_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)