alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Telerik Authentication Bypass Attempt Inbound (CVE-2024-4358)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/Startup/Register"; endswith; fast_pattern; http.request_body; content:"Username="; content:"Password="; content:"ConfirmPassword="; reference:cve,2024-4358; classtype:attempted-admin; sid:2053453; rev:2; metadata:attack_target Server, created_at 2024_06_11, cve CVE_2024_4358, deployment Perimeter, deployment Internal, confidence Low, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2025_08_06, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)