alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2025-53690 Sitecore Experience Manager - Insecure Deserialization"; flow:established,to_server; http.uri; content:"/sitecore/shell/sitecore.version.xml"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2025-53690; reference:url,https://www.exploit.observer/?keyword=CVE-2025-53690&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=sitecore&match=exact; sid:1011792; rev:1;)