ET WEB_SPECIFIC_APPS VTENext Local File Inclusion in Calendar Module via subfile Parameter

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS VTENext Local File Inclusion in Calendar Module via subfile Parameter";
    flow:established,to_server;
    http.uri;
    content:"module|3d|Calendar";
    content:"action|3d|wdCalendar"; fast_pattern;
    content:"subfile|3d|";
    pcre:"/^[^&]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,blog.sicuranext.com/vtenext-25-02-a-three-way-path-to-rce/;
    classtype:web-application-attack;
    sid:2064159; rev:1;
    metadata:affected_product VTENext, attack_target Server, tls_state TLSDecrypt, created_at 2025_08_26, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag LFI, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)