ET MALWARE Win32/SVCReady Loader CnC Activity M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/SVCReady Loader CnC Activity M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.header_names;
    content:"|0d 0a|g|0d 0a|";
    content:"|0d 0a|pr|0d 0a|";
    content:"|0d 0a|sg|0d 0a|"; fast_pattern;
    http.header;
    pcre:"/^g\x3a\x20[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}[\r\n]+$/m";
    pcre:"/^sg\x3a\x20[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}[\r\n]+$/m";
    reference:md5,e6b33ddaa9583216013b112b00317d0a;
    classtype:command-and-control;
    sid:2036863; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_12, deployment Perimeter, malware_family SVCReady, confidence High, signature_severity Major, tag c2, updated_at 2022_05_12, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)