diff --git a/malware-analysis_ref_and_memo.md b/malware-analysis_ref_and_memo.md
index 6026368..ed72836 100644
--- a/malware-analysis_ref_and_memo.md
+++ b/malware-analysis_ref_and_memo.md
@@ -603,6 +603,9 @@ to do...
 [winworld](https://winworldpc.com/home)
 - Windowsの環境変数<br>
 [Recognized Environment Variables](https://docs.microsoft.com/en-us/windows/deployment/usmt/usmt-recognized-environment-variables)
+- WIndowsの更新パッケージに含まれるファイルのダウンロードと情報の表示<br>
+[Introducing Winbindex - the Windows Binaries Index](https://m417z.com/Introducing-Winbindex-the-Windows-Binaries-Index/)<br>
+[Winbindex](https://m417z.com/winbindex/)
 
 # Windows Command
 - windows上で情報収集やフォレンジックに活用できるCommand Line CheetSheet