ET EXPLOIT Microsoft SharePoint ToolPane Authentication Bypass (CVE-2025-49706)

alert http any any -> $HOME_NET any (
    msg:"ET EXPLOIT Microsoft SharePoint ToolPane Authentication Bypass (CVE-2025-49706)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"|2f|toolpane.aspx|3f|"; fast_pattern; nocase;
    content:"displaymode|3d|edit"; nocase;
    content:"|2f|toolpane.aspx"; endswith; nocase;
    http.referer;
    content:"|2f|signout.aspx"; nocase;
    http.request_body;
    content:"msotlpn_uri|3d|"; nocase;
    pcre:"/^.*?(?:\x252[fF]|\x2f)_controltemplates(?:\x252[fF]|\x2f).*?(?:\x252[eE]|\x2e)ascx(?:\x26|$)/R";
    content:"msotlpn_dwp|3d|"; nocase;
    reference:url,msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706;
    reference:cve,2025-49706;
    classtype:attempted-user;
    sid:2063647; rev:1;
    metadata:affected_product Microsoft_Sharepoint, attack_target Server, tls_state TLSDecrypt, created_at 2025_07_08, cve CVE_2025_49706, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2025_07_22, former_sid 2863405, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)