diff --git a/docs/documentation.md b/docs/documentation.md
index dab3378..4886133 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -213,6 +213,8 @@ VMAware provides a convenient way to not only check for VMs, but also have the f
 | `VM::HYPERV_WMI` | Check for Hyper-V wmi output | Windows | 80% |  |
 | `VM::HYPERV_REG` | Check for Hyper-V strings in registry | Windows | 80% |  | 
 | `VM::BIOS_SERIAL` | Check if BIOS serial number is null | Windows | 60% |  |
+| `VM::VBOX_FOLDERS` | Check for VirtualBox-specific string for shared folder ID | Windows | 45% |  |
+| `VM::VBOX_MSSMBIOS` | Check VirtualBox MSSMBIOS registry for VM-specific strings | Windows 75% |  |
 
 <br>
 
diff --git a/src/cli.cpp b/src/cli.cpp
index 9c3589f..19402d3 100644
--- a/src/cli.cpp
+++ b/src/cli.cpp
@@ -116,6 +116,8 @@ int main(int argc, char* argv[]) {
         checker(VM::BIOS_SERIAL, "BIOS serial number");
         checker(VM::HYPERV_WMI, "Hyper-V WMI");
         checker(VM::HYPERV_REG, "Hyper-V registry");
+        checker(VM::VBOX_FOLDERS, "VirtualBox shared folders");
+        checker(VM::VBOX_MSSMBIOS, "VirtualBox MSSMBIOS");
 
         std::printf("\n");
 
diff --git a/src/vmaware.hpp b/src/vmaware.hpp
index 29e91be..c338b74 100644
--- a/src/vmaware.hpp
+++ b/src/vmaware.hpp
@@ -3920,7 +3920,10 @@ struct VM {
     
     /**
      * @brief Check VirtualBox MSSMBIOS registry for VM-specific strings
-     * 
+     * @category Windows
+     * @note slightly modified from original code
+     * @author @waleedassar
+     * @link https://pastebin.com/fPY4MiYq
      */
     [[nodiscard]] static bool vbox_mssmbios() try {
         if (disabled(VBOX_MSSMBIOS)) {