Adding vshadow.exe (#325)

Co-authored-by: Wietze <wietze@users.noreply.github.com>

yml/OtherMSBinaries/vshadow.yaml

@@ -0,0 +1,21 @@
+---
+Name: vshadow.exe
+Description: VShadow is a command-line tool that can be used to create and manage volume shadow copies.
+Author: Ayberk Halaç
+Created: 2023-09-06
+Commands:
+  - Command: vshadow.exe -nw -exec=c:\windows\system32\calc.exe C:
+    Description: Executes calc.exe from vshadow.exe.
+    Usecase: Performs execution of specified executable file.
+    Category: Execute
+    Privileges: Administrator
+    MitreID: T1127
+    OperatingSystem: Windows 10, Windows 11
+Full_Path:
+  - Path: C:\Program Files (x86)\Windows Kits\10\bin\10.0.XXXXX.0\x64\vshadow.exe
+Detection:
+  - IOC: vshadow.exe usage with -exec parameter
+Resources:
+  - Link: https://learn.microsoft.com/en-us/windows/win32/vss/vshadow-tool-and-sample
+Acknowledgement:
+  - Person: Ayberk Halaç