ET MALWARE Win32/Rhadamanthys CnC Activity (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Rhadamanthys CnC Activity (GET)";
    flow:established,to_server;
    urilen:74;
    http.method;
    content:"GET";
    http.uri;
    pcre:"/^\x2f(?:[A-Z0-9]{8})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{12})\x2f(?:[A-Z0-9]{8})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{4})\x2d(?:[A-Z0-9]{12})$/";
    http.user_agent; bsize:11;
    content:"WinHTTP/1.0"; fast_pattern;
    http.header;
    content:"Cache|2d|Control|3a 20|no|2d|cache|0d 0a|";
    content:"|0d 0a|Pragma|3a 20|no|2d|cache|0d 0a|";
    reference:md5,6ca89843cc5ffa1af85636dea4019a1a;
    reference:url,x.com/malwrhunterteam/status/1816435474380001777;
    classtype:trojan-activity;
    sid:2054665; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_25, deployment Perimeter, malware_family Rhadamanthys, confidence Medium, signature_severity Critical, tag c2, updated_at 2024_07_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)