如何破解vba工程密码
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首先以下方案只针对 Word 文档和 Excel 文档的 VBA 工程密码。
打开一个 Excel 的程序实例(无论待破解的是什么文档一律打开 Excel 实例),按 Alt + F11 打开 VBE,左侧“工程资源管理器”右键新建一个模块,复制下列代码粘贴进去后定位至过程 VBA_Password_remove 按 F5 运行选择要破解的包含工程密码的文件。
Private Sub VBA_Password_remove()
Dim Filename As String, i As Integer
Filename = Application.Caption
If InStr(Filename, "Excel") > 0 Then
Filename = openfile()
Else
MsgBox "请在 Microsoft Office Excel Visual Basic of Application 环境下运行本程序!", vbExclamation
Exit Sub
End If
If (Filename = "False") Then Exit Sub
If Dir(Filename) = "" Then
MsgBox "未找到指定文件"
Exit Sub
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 Then
Close #1
MsgBox "VBA 工程未设置密码", vbQuestion, "提示"
Exit Sub
End If
Dim St As String * 2
Dim s20 As String * 1
Get #1, CMGs - 2, St
Get #1, DPBo + 16, s20
For i = CMGs To DPBo Step 2
Put #1, i, St
Next
If (DPBo - CMGs) Mod 2 <> 0 Then Put #1, DPBo + 1, s20
MsgBox "文件解密成功!", vbQuestion, "提示"
Close #1
End Sub
Function openfile()
openfile = Application.GetOpenFilename("Excel 文件(*.xls & *.xla & *.xlt),*.xls;*.xla;*.xlt,Word 文件(*.doc & *.dot ),*.doc;*.dot", , "选择破解 VBA 工程密码的文件")
End Function 参考技术A 下面的答案不是我的,我试验成功过,但不保证每次成功,你试试吧。
关闭你的文件,新开一Excel,同时按Alt和F11,进入VBA界面,右键点左上窗口的Thisworkbook,插入,模块,在右边出来的窗口中粘贴如下代码:
Sub MoveProtect()
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'设置VBA编码保护
Sub SetProtect()
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, True
End If
End SubPrivate 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 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 * 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"
Else
Dim MMs As String * 5
MMs = "DPB="""
Put #1, CMGs, MMs
MsgBox "对文件特殊加密成功......", 32, "提示"
End If
Close #1
End Function
然后在此界面,把光标移到第一行,按F5,运行MoveProtect,在打开窗口中选择你说的文件,完成后,该文件的宏就没密码了。
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