VBA 破解VBA工程密码

Sub VBAPassword() 
    '你要解保护的Excel文件路径
    Filename = Application.GetOpenFilename("Excel文件(*.xls & *.xla & *.xlt),*.xls;*.xla;*.xlt", , "VBA破解")

  If Dir(Filename) = "" Then
    MsgBox "没找到相关文件,清重新设置。"
    Exit Sub
  Else
    FileCopy Filename, Filename & ".bak" '备份文件。
  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 "请先对VBA编码设置一个保护密码...", 32, "提示"
    Exit Sub
  End If

  Dim St As String * 2
  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 "文件解密成功......", 32, "提示"
  Close #1
End Sub

 

posted @ 2015-10-09 15:06  LuciaKally  阅读(1435)  评论(0编辑  收藏  举报