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破解VBA密碼

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Private Sub VBAPassword() ‘你要解保護的Excel檔案路徑
Filename = Application.GetOpenFilename(“Excel檔案(.xls & .xla & .xlt),.xls;.xla;.xlt”, , “VBA破解”)
If Dir(Filename) = “” Then
MsgBox “沒找到相關檔案,清重新設定。”
Exit Sub
Else
FileCopy Filename, Filename & “.bak” ‘備份檔案。
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 Then
MsgBox “請先對VBA編碼設定一個保護密碼…”, 32, “提示”
Exit Sub
End If

Dim St As String * 2
Dim s20 As String * 1
‘取得一個0D0A十六進位制字串
Get #1, CMGs – 2, St
‘取得一個20十六制字串
Get #1, DPBo 16, s20
‘替換加密部份機碼
For i = CMGs To DPBo Step 2
Put #1, i, St
Next
‘加入不配對符號
If (DPBo – CMGs) Mod 2 <> 0 Then
Put #1, DPBo 1, s20
End If
MsgBox “檔案解密成功……”, 32, “提示”
Close #1
End Sub


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