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本篇文章給大家分享的是有關(guān)VBA工程加密PJ方式有哪些,小編覺得挺實(shí)用的,因此分享給大家學(xué)習(xí),希望大家閱讀完這篇文章后可以有所收獲,話不多說,跟著小編一起來看看吧。
兩種方式破解VBA加密代碼
Sub VBAPassword1() '你要解保護(hù)的Excel文件路徑 Filename = Application.GetOpenFilename("Excel文件(*.xls & *.xla & *.xlt),*.xls;*.xla;*.xlt", , "VBA破解") If Dir(Filename) = "" Then MsgBox "沒找到相關(guān)文件,清重新設(shè)置。" Exit Sub Else FileCopy Filename, Filename & ".bak" '備份文件。 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 "請先對VBA編碼設(shè)置一個保護(hù)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(jìn)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(jī)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 "文件解密成功......", 32, "提示" Close #1 End Sub
Option Explicit Private Declare Sub MoveMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Long, Source As Long, ByVal Length As Long) Private Declare Function VirtualProtect Lib "kernel32" (lpAddress As Long, ByVal dwSize As Long, ByVal flNewProtect As Long, lpflOldProtect As Long) As Long Private Declare Function GetModuleHandleA Lib "kernel32" (ByVal lpModuleName As String) As Long Private Declare Function GetProcAddress Lib "kernel32" (ByVal hModule As Long, ByVal lpProcName As String) As Long Private Declare Function DialogBoxParam Lib "user32" Alias "DialogBoxParamA" (ByVal hInstance As Long, ByVal pTemplateName As Long, ByVal hWndParent As Long, ByVal lpDialogFunc As Long, ByVal dwInitParam As Long) As Integer Dim HookBytes(0 To 5) As Byte Dim OriginBytes(0 To 5) As Byte Dim pFunc As Long Dim Flag As Boolean Private Function GetPtr(ByVal Value As Long) As Long GetPtr = Value End Function Public Sub RecoverBytes() If Flag Then MoveMemory ByVal pFunc, ByVal VarPtr(OriginBytes(0)), 6 End Sub Public Function Hook() As Boolean Dim TmpBytes(0 To 5) As Byte Dim p As Long Dim OriginProtect As Long Hook = False pFunc = GetProcAddress(GetModuleHandleA("user32.dll"), "DialogBoxParamA") If VirtualProtect(ByVal pFunc, 6, &H40, OriginProtect) <> 0 Then MoveMemory ByVal VarPtr(TmpBytes(0)), ByVal pFunc, 6 If TmpBytes(0) <> &H68 Then MoveMemory ByVal VarPtr(OriginBytes(0)), ByVal pFunc, 6 p = GetPtr(AddressOf MyDialogBoxParam) HookBytes(0) = &H68 MoveMemory ByVal VarPtr(HookBytes(1)), ByVal VarPtr(p), 4 HookBytes(5) = &HC3 MoveMemory ByVal pFunc, ByVal VarPtr(HookBytes(0)), 6 Flag = True Hook = True End If End If End Function Private Function MyDialogBoxParam(ByVal hInstance As Long, _ ByVal pTemplateName As Long, ByVal hWndParent As Long, _ ByVal lpDialogFunc As Long, ByVal dwInitParam As Long) As Integer If pTemplateName = 4070 Then MyDialogBoxParam = 1 Else RecoverBytes MyDialogBoxParam = DialogBoxParam(hInstance, pTemplateName, hWndParent, lpDialogFunc, dwInitParam) Hook End If End Function Sub Crack() If Hook Then MsgBox "破解成功" End Sub
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