ET WEB_SPECIFIC_APPS Splunk Enterprise Server Information Disclosure via REST API (CVE-2018-11409)

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET WEB_SPECIFIC_APPS Splunk Enterprise Server Information Disclosure via REST API (CVE-2018-11409)";
    flow:established,to_server;
    http.uri;
    content:"/splunkd/__raw/services/server/info/server-info|3f|"; fast_pattern;
    content:"output_mode|3d|json";
    reference:url,www.exploit-db.com/exploits/44865;
    classtype:web-application-attack;
    sid:2069969; rev:1;
    metadata:affected_product Splunk, attack_target Server, tls_state TLSDecrypt, created_at 2026_06_16, cve CVE_2018_11409, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_06_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)