alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA582 CnC Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"|2e|php|3f|s|3d|mints"; fast_pattern; http.user_agent; content:"WindowsPowerShell"; reference:md5,e8da759e748db6eab355cf87d1f2db6c; classtype:trojan-activity; sid:2057743; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_09_04, deployment Perimeter, confidence High, signature_severity Critical, tag c2, tag TA582, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_27, former_sid 2858291, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)