ET WEB_SPECIFIC_APPS LG WebOS getFile path Parameter Directory Traversal Attempt

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS LG WebOS getFile path Parameter Directory Traversal Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/getFile|3f|"; startswith; fast_pattern;
    content:"path|3d|"; distance:0;
    pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,ssd-disclosure.com/lg-webos-tv-path-traversal-authentication-bypass-and-full-device-takeover/;
    classtype:attempted-admin;
    sid:2064711; rev:1;
    metadata:affected_product LG_WebOS, attack_target IoT, tls_state plaintext, created_at 2025_09_16, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)