alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Fortinet FortiWeb Admin Creation via Path Traversal (CVE-2025-64446)";
flow:established,to_server;
http.uri;
content:"/api/v2.0/user/local.add"; fast_pattern;
http.content_type;
content:"application/json";
http.request_body;
content:"|22|";
pcre:"/^[^\x22]*(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
reference:url,www.exploit-db.com/exploits/52502;
reference:cve,2025-64446;
classtype:web-application-attack;
sid:2068898; rev:1;
metadata:affected_product FortiWeb, attack_target Server, tls_state TLSDecrypt, created_at 2026_04_21, cve CVE_2025_64446, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_04_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)