alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS N-able N-central Authentication Bypass (CVE-2025-9316)"; flow:established,to_server; flowbits:set,ET.N_able_N_central.CVE_2025_9316; http.uri; content:"/dms/services/ServerUI"; fast_pattern; startswith; http.header; content:"soapaction|3a 20|"; nocase; http.request_body; content:"sessionHello"; reference:url,horizon3.ai/attack-research/attack-blogs/n-able-n-central-from-n-days-to-0-days/; reference:cve,2025-9316; classtype:web-application-attack; sid:2065915; rev:1; metadata:affected_product N_Able, attack_target Server, tls_state TLSDecrypt, created_at 2025_11_25, cve CVE_2025_9316, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)