alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DeviceManager CnC HTTP Requests - Checkin"; reference:url,socradar.io/blog/doublecup-clickfix-loader-devicemanager-rats/; classtype:trojan-activity; sid:2071785; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_08_25, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2026_08_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)