alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Ruijie RGOS Access Points web_action.do command Parameter Command Injection Attempt (CVE-2025-65363)";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"web_action.do"; fast_pattern;
http.request_body;
content:"command|3d|";
pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
reference:url,nvd.nist.gov/vuln/detail/CVE-2025-65363;
reference:cve,2025-65363;
classtype:attempted-admin;
sid:2066182; rev:1;
metadata:affected_product Ruijie_Network_Products, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_12_08, cve CVE_2025_65363, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)