ET WEB_SPECIFIC_APPS ASUS AiProtection_HomeProtection.asp oauth_google_refresh_token Parameter Command Injection Attempt

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS ASUS AiProtection_HomeProtection.asp oauth_google_refresh_token Parameter Command Injection Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:16;
    content:"/start_apply.htm";
    http.request_body;
    content:"current_page=AiProtection_HomeProtection.asp";
    content:"action_script|3d|"; distance:0;
    content:"oauth_google_refresh_token|3d|"; fast_pattern; distance:0;
    pcre:"/^(?:\x27|%27).*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(?:\x26{2}|%26%26))+/R";
    reference:url,www.labs.greynoise.io/grimoire/2025-03-28-ayysshush/;
    classtype:attempted-admin;
    sid:2062612; rev:1;
    metadata:affected_product Asus, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_28, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)