Add vpatch-CVE-2025-49706 rule

Author: crowdsec-automation

appsec-rules/crowdsecurity/vpatch-CVE-2025-49706.yaml

@@ -0,0 +1,33 @@
+## autogenerated on 2025-12-10 15:06:47
+name: crowdsecurity/vpatch-CVE-2025-49706
+description: 'Detects authentication bypass attempts in Microsoft SharePoint Server via direct POST to ToolPane.aspx with Edit mode.'
+rules:
+  - and:
+      - zones:
+          - URI
+        transform:
+          - lowercase
+        match:
+          type: contains
+          value: /_layouts/15/toolpane.aspx
+      - zones:
+          - ARGS
+        variables:
+          - displaymode
+        transform:
+          - lowercase
+        match:
+          type: equals
+          value: edit
+
+labels:
+  type: exploit
+  service: http
+  confidence: 3
+  spoofable: 0
+  behavior: 'http:exploit'
+  label: 'Microsoft SharePoint - Authentication Bypass'
+  classification:
+    - cve.CVE-2025-49706
+    - attack.T1190
+    - cwe.CWE-287