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Private Sub Command1_Click()
Set xlApp = CreateObject("Excel.Application")
Dim FileName As String
FileName = Application.GetOpenFilename("Excel文件（*.xls & *.xla）,*.xls;*.xla", , "VBA破解")
    If FileName = CStr(False) Then
       Exit Sub
    Else
       VBAPassword FileName, False
    End If
End Sub


Function VBAPassword(FileName As String, Optional Protect As Boolean = False)
    If Dir(FileName) = "" Then
        Exit Function
    Else
        FileCopy FileName, FileName & ".bak"
    End If
    Dim GetData As String * 5
    Open FileName For Binary As #1
    Dim CMGs As Long
    Dim DPBo As Long
    For i = 1 To LOF(1)
       
       Get #1, i, GetData
        If GetData = "CMG=""" Then CMGs = i
        If GetData = "[Host" Then DPBo = i - 2: Exit For
    Next

    If CMGs = 0 And Protect = False Then
        MsgBox "请先对VBA编码设置一个保护密码！", 32, "提示"
        Exit Function
    End If

    If Protect = False Then
        Dim St As String * 3
        Dim s20 As String * 1

        '取得一个0D0A十六进制字串
        Get #1, CMGs - 2, St

        '取得一个20十六制字串
        Get #1, DPBo + 16, s20

        '替换加密部份机码
        For i = CMGs To DPBo Step 2
            Put #1, i, St
        Next

        '加入不配对符号
        If (DPBo - CMGs) Mod 2 <> 0 Then
            Put #1, DPBo + 1, s20
        End If
        MsgBox "恭喜！VBA密码破解成功！O(∩_∩)O" & vbCrLf & "" & vbCrLf & "请打开xls文件，用Alt+F11查看代码！", 32, "提示"

    Else
        Dim MMs As String * 5
        MMs = "DPB="""
        Put #1, CMGs, MMs
        MsgBox "恭喜！对文件特殊加密成功！O(∩_∩)O", 32, "提示"
    End If
    Close #1
End Function