alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2025-26399 Solarwinds - Insecure Deserialization"; flow:established,to_server; http.uri; content:"/helpdesk/WebObjects/Helpdesk.woa"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2025-26399; reference:url,https://www.exploit.observer/?keyword=CVE-2025-26399&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=solarwinds&match=exact; sid:1009210; rev:1;)