alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-65660 Microsoft SharePoint ToolPane web part Register directive injection RCE"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"ToolPane.aspx"; nocase; fast_pattern; content:"DisplayMode=Edit"; nocase; http.request_body; content:"Register"; nocase; content:"Assembly"; nocase; classtype:web-application-attack; reference:cve,CVE-2026-65660; reference:url,https://www.exploit.observer/?keyword=CVE-2026-65660&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=sharepoint&match=exact; sid:1093403; rev:1;)