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破解Excel受保护文件

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Excel—“撤销工作表保护密码”的破解并获取原始密码

在日常工作中,您是否遇到过这样的情况:您用Excel编制的报表、表格、程序等,在单元格中设置了公式、函数等,为了防止其他人修改您的设置或者防止您自己无意中修改,您可能会使用Excel的工作表保护功能,但时间久了保护密码容易忘记,这该怎么办?有时您从网上下载的Excel格式的小程序,您想修改,但是作者加了工作表保护密码,怎么办?您只要按照以下步骤操作,Excel工作表保护密码瞬间即破!

    1、打开您需要破解保护密码的Excel文件;

    2、依次点击菜单栏上的工具---宏----录制新宏,输入宏名字如:aa;

    3、停止录制(这样得到一个空宏);

    4、依次点击菜单栏上的工具---宏----宏,选aa,点编辑按钮;

5、删除窗口中的所有字符(只有几个),替换为下面的内容;

 

从横线下开始复制

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Option Explicit

 

Public Sub AllInternalPasswords() 

' Breaks worksheet and workbook structure passwords. Bob McCormick 

' probably originator of base code algorithm modified for coverage 

' of workbook structure / windows passwords and for multiple passwords 

' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1) 

' Modified 2003-Apr-04 by JEM: All msgs to constants, and 

' eliminate one Exit Sub (Version 1.1.1) 

' Reveals hashed passwords NOT original passwords 

Const DBLSPACE As String = vbNewLine & vbNewLine 

Const AUTHORS As String = DBLSPACE & vbNewLine & _ 

"Adapted from Bob McCormick base code by" & _ 

"Norman Harker and JE McGimpsey" 

Const HEADER As String = "AllInternalPasswords User Message" 

Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04" 

Const REPBACK As String = DBLSPACE & "Please report failure " & _ 

"to the microsoft.public.excel.programming newsgroup." 

Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _ 

"now be free of all password protection, so make sure you:" & _ 

DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _ 

DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _ 

DBLSPACE & "Also, remember that the password was " & _ 

"put there for a reason. Don't stuff up crucial formulas " & _ 

"or data." & DBLSPACE & "Access and use of some data " & _ 

"may be an offense. If in doubt, don't." 

Const MSGNOPWORDS1 As String = "There were no passwords on " & _ 

"sheets, or workbook structure or windows." & AUTHORS & VERSION 

Const MSGNOPWORDS2 As String = "There was no protection to " & _ 

"workbook structure or windows." & DBLSPACE & _ 

"Proceeding to unprotect sheets." & AUTHORS & VERSION 

Const MSGTAKETIME As String = "After pressing OK button this " & _ 

"will take some time." & DBLSPACE & "Amount of time " & _ 

"depends on how many different passwords, the " & _ 

"passwords, and your computer's specification." & DBLSPACE & _ 

"Just be patient! Make me a coffee!" & AUTHORS & VERSION 

Const MSGPWORDFOUND1 As String = "You had a Worksheet " & _ 

"Structure or Windows Password set." & DBLSPACE & _ 

"The password found was: " & DBLSPACE & "$$" & DBLSPACE & _ 

"Note it down for potential future use in other workbooks by " & _ 

"the same person who set this password." & DBLSPACE & _ 

"Now to check and clear other passwords." & AUTHORS & VERSION 

Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _ 

"password set." & DBLSPACE & "The password found was: " & _ 

DBLSPACE & "$$" & DBLSPACE & "Note it down for potential " & _ 

"future use in other workbooks by same person who " & _ 

"set this password." & DBLSPACE & "Now to check and clear " & _ 

"other passwords." & AUTHORS & VERSION 

Const MSGONLYONE As String = "Only structure / windows " & _ 

"protected with the password that was just found." & _ 

ALLCLEAR & AUTHORS & VERSION & REPBACK 

Dim w1 As Worksheet, w2 As Worksheet 

Dim i As Integer, j As Integer, k As Integer, l As Integer 

Dim m As Integer, n As Integer, i1 As Integer, i2 As Integer 

Dim i3 As Integer, i4 As Integer, i5 As Integer, i6 As Integer 

Dim PWord1 As String 

Dim ShTag As Boolean, WinTag As Boolean

 

Application.ScreenUpdating = False 

With ActiveWorkbook 

WinTag = .ProtectStructure Or .ProtectWindows 

End With 

ShTag = False 

For Each w1 In Worksheets 

ShTag = ShTag Or w1.ProtectContents 

Next w1 

If Not ShTag And Not WinTag Then 

MsgBox MSGNOPWORDS1, vbInformation, HEADER 

Exit Sub 

End If 

MsgBox MSGTAKETIME, vbInformation, HEADER 

If Not WinTag Then 

MsgBox MSGNOPWORDS2, vbInformation, HEADER 

Else 

On Error Resume Next 

Do 'dummy do loop 

For i = 65 To 66: For j = 65 To 66: For k = 65 To 66 

For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66 

For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66 

For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126 

With ActiveWorkbook 

.Unprotect Chr(i) & Chr(j) & Chr(k) & _ 

Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _ 

Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n) 

If .ProtectStructure = False And _ 

.ProtectWindows = False Then 

PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _ 

Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _ 

Chr(i4) & Chr(i5) & Chr(i6) & Chr(n) 

MsgBox Application.Substitute(MSGPWORDFOUND1, _ 

"$$", PWord1), vbInformation, HEADER 

Exit Do 'Bypass all for...nexts 

End If 

End With 

Next: Next: Next: Next: Next: Next 

Next: Next: Next: Next: Next: Next 

Loop Until True 

On Error GoTo 0 

End If 

If WinTag And Not ShTag Then 

MsgBox MSGONLYONE, vbInformation, HEADER 

Exit Sub 

End If 

On Error Resume Next 

For Each w1 In Worksheets 

'Attempt clearance with PWord1 

w1.Unprotect PWord1 

Next w1 

On Error GoTo 0 

ShTag = False 

For Each w1 In Worksheets 

'Checks for all clear ShTag triggered to 1 if not. 

ShTag = ShTag Or w1.ProtectContents 

Next w1 

If ShTag Then 

For Each w1 In Worksheets 

With w1 

If .ProtectContents Then 

On Error Resume Next 

Do 'Dummy do loop 

For i = 65 To 66: For j = 65 To 66: For k = 65 To 66 

For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66 

For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66 

For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126 

.Unprotect Chr(i) & Chr(j) & Chr(k) & _ 

Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _ 

Chr(i4) & Chr(i5) & Chr(i6) & Chr(n) 

If Not .ProtectContents Then 

PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _ 

Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _ 

Chr(i4) & Chr(i5) & Chr(i6) & Chr(n) 

MsgBox Application.Substitute(MSGPWORDFOUND2, _ 

"$$", PWord1), vbInformation, HEADER 

'leverage finding Pword by trying on other sheets 

For Each w2 In Worksheets 

w2.Unprotect PWord1 

Next w2 

Exit Do 'Bypass all for...nexts 

End If 

Next: Next: Next: Next: Next: Next 

Next: Next: Next: Next: Next: Next 

Loop Until True 

On Error GoTo 0 

End If 

End With 

Next w1 

End If 

MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER 

End Sub

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复制到横线以上

    6、关闭编辑窗口;

    7、依次点击菜单栏上的工具---宏-----宏,选AllInternalPasswords,运行,确定两次; 

    等一会,就会出现以下对话框:这就是Excel密码对应的原始密码(此密码和原先设置的密码都能打开此文档。如果是别人的文档,你又想恢复密码设置,就可以用此密码进行保护,他就能用他设置的密码打开,你可以试试,很有趣的。字母一定要大写):

 

 

 

 

 

再点击确定。Excel的原始密码就被清除了!

 

原文

  Excel—“撤销工作表保护密码”的破解并获取原始密码 在日常工作中,您是否遇到过这样的情况:您用Excel编制的报表、表格、程序等,在单元格中设置了公式、函数等,为了防止其他人修改您的设

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