ET MALWARE Async RAT CnC Activity (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Async RAT CnC Activity (GET)";
    flow:established,to_server;
    urilen:20;
    http.method;
    content:"GET";
    http.uri;
    content:"|2e|php|3f|s|3d|";
    isdataat:!4,relative; fast_pattern;
    pcre:"/\x2f\w\x20\w{5}\x20\w\x2ephp\x3fs\x3d\d{3}$/";
    http.connection;
    content:"Keep-Alive";
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    content:!"|0d 0a|User-Agent|0d 0a|";
    reference:url,app.any.run/tasks/b7929820-33fd-4ed5-9a2f-8c835f529919/;
    reference:url,malware-traffic-analysis.net/2024/03/14/index.html;
    classtype:trojan-activity;
    sid:2052950; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_05_29, deployment Perimeter, malware_family AsyncRAT, confidence High, signature_severity Major, tag c2, updated_at 2024_05_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)