alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Nagios Log Server API Unauthorized Access to Elasticsearch Service (CVE-2025-44824)";
flow:established,to_server;
http.uri;
content:"/nagioslogserver/index.php/api/system/stop|3f|"; fast_pattern;
content:"subsystem|3d|elasticsearch";
reference:url,nvd.nist.gov/vuln/detail/CVE-2025-44824;
reference:cve,2025-44824;
classtype:web-application-attack;
sid:2065282; rev:1;
metadata:affected_product Nagios, attack_target Server, tls_state TLSDecrypt, created_at 2025_10_21, cve CVE_2025_44824, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)