ET WEB_SPECIFIC_APPS Zoho ManageEngine API Authentication Bypass (CVE-2022-29081)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Zoho ManageEngine API Authentication Bypass (CVE-2022-29081)";
    flow:established,to_server;
    http.uri.raw;
    content:"/RestAPI/"; fast_pattern; offset:5;
    pcre:"/(?:(?:\x2e|%(?:25)?2[Ee]){1,2}(?:\x2f|\x5c|%(?:25)?5[Cc]|%(?:25)?2[Ff]){1,})+RestAPI\x2f/I";
    reference:url,www.tenable.com/security/research/tra-2022-14;
    reference:cve,2022-29081;
    classtype:web-application-attack;
    sid:2066037; rev:1;
    metadata:affected_product Zoho_ManageEngine, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_05, cve CVE_2022_29081, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2025_12_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)