ET MALWARE Unknown Powershell Profiler Exfiltrating System Data

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Unknown Powershell Profiler Exfiltrating System Data";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/dash/post_data/"; fast_pattern;
    http.user_agent;
    content:"WindowsPowerShell";
    http.request_body;
    content:"|22|lang|22 3a|";
    content:"|22|cpu|22 3a|";
    content:"|22|name|22 3a|";
    content:"|22|av|22 3a|";
    content:"|22|os|22 3a 20 22|Microsoft Windows";
    content:"|22|gpu|22 3a|";
    content:"|22|uuid|22 3a|";
    content:"|22|domain|22 3a|";
    reference:md5,cd07abe72f907943923528c4931ede0b;
    classtype:trojan-activity;
    sid:2044702; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_20;
    target:src_ip;
)