ET WEB_SPECIFIC_APPS Dell UnityVSA AccessTool.pm getCASURL Function Pre-Auth Command Injection Attempt (CVE-2025-36604)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Dell UnityVSA AccessTool.pm getCASURL Function Pre-Auth Command Injection Attempt (CVE-2025-36604)";
    flow:established,to_server;
    http.uri;
    content:"/"; startswith;
    pcre:"/^.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    content:"|24 7b|IFS|7d|"; fast_pattern;
    content:"|3b 2f|";
    reference:url,labs.watchtowr.com/its-never-simple-until-it-is-dell-unityvsa-pre-auth-command-injection-cve-2025-36604/;
    reference:cve,2025-36604;
    classtype:attempted-admin;
    sid:2065042; rev:1;
    metadata:affected_product Dell, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_03, cve CVE_2025_36604, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)