alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS WordPress W3 Total Cache Plugin Remote Code Execution (CVE-2025-9501)";
flow:established,to_server;
http.request_body;
content:"<!-- mfunc";
content:"<!-- /mfunc"; fast_pattern; distance:0;
http.method;
content:"POST";
reference:url,www.rcesecurity.com/2025/11/exploiting-a-pre-auth-rce-in-w3-total-cache-for-wordpress-cve-2025-9501/;
reference:cve,2025-9501;
classtype:web-application-attack;
sid:2065928; rev:1;
metadata:affected_product Wordpress_Plugins, attack_target Server, tls_state TLSDecrypt, created_at 2025_11_26, cve CVE_2025_9501, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)