ET MALWARE Win32/Remcos RAT Checkin 63

alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Remcos RAT Checkin 63";
    flow:established,to_server;
    content:"|d1 ef 79 30 f1 d3 16 52 6d e9 f3|"; depth:11; fast_pattern;
    content:"|25 fc|"; distance:2; within:2;
    threshold:type limit, seconds 30, count 1, track by_src;
    classtype:command-and-control;
    sid:2026503; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_16, deployment Perimeter, malware_family Remcos, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2020_11_06, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)