VBE decoder

2019-10-26 18:06:16

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This script give you a decoded listing from an encoded file.
Supports *,je, ,vbe, .asp, .hta, .htm, .html…
If used under cscript, puts the result to stdout.
The file can be multi-encoded (many scripts in the file, for ex. in an html file)
Used under wscript, pops up the decoded file in a message box.

File Name : decovbe.vbs
Requirement : none
Author : Jean-Luc Antoine
Submitted : 05/09/2001
Updated : 09/12/2001
Category : 4K

復(fù)制代碼代碼如下:

option explicit
Dim oArgs, NomFichier
'Optional argument : the encoded filename
NomFichier=""
Set oArgs = WScript.Arguments
Select Case oArgs.Count
Case 0 'No Arg, popup a dialog box to choose the file
NomFichier=BrowseForFolder("Choose an encoded file", &H4031, &H0011)
Case 1
If Instr(oArgs(0),"?")=0 Then '-? ou /? => aide
NomFichier=oArgs(0)
End If
Case Else
WScript.Echo "Too many parameters"
End Select
Set oArgs = Nothing

If NomFichier<>"" Then
Dim fso
Set fso=WScript.CreateObject("Scripting.FileSystemObject")
If fso.FileExists(NomFichier) Then
  Dim fic,contenu
  Set fic = fso.OpenTextFile(NomFichier, 1)
  Contenu=fic.readAll
  fic.close
  Set fic=Nothing

  Const TagInit="#@~^" '#@~^awQAAA==
  Const TagFin="==^#~@" '& chr(0)
  Dim DebutCode, FinCode
  Do
   FinCode=0
   DebutCode=Instr(Contenu,TagInit)
   If DebutCode>0 Then
    If (Instr(DebutCode,Contenu,"==")-DebutCode)=10 Then 'If "==" follows the tag
     FinCode=Instr(DebutCode,Contenu,TagFin)
     If FinCode>0 Then
      Contenu=Left(Contenu,DebutCode-1) & _
      Decode(Mid(Contenu,DebutCode+12,FinCode-DebutCode-12-6)) & _
      Mid(Contenu,FinCode+6)
     End If
    End If
   End If
  Loop Until FinCode=0
  WScript.Echo Contenu
Else
  WScript.Echo Nomfichier & " not found"
End If
Set fso=Nothing
Else
WScript.Echo "Please give a filename"
WScript.Echo "Usage : " & wscript.fullname & " " & WScript.ScriptFullName & " <filename>"
End If

Function Decode(Chaine)
Dim se,i,c,j,index,ChaineTemp
Dim tDecode(127)
Const Combinaison="1231232332321323132311233213233211323231311231321323112331123132"

Set se=WSCript.CreateObject("Scripting.Encoder")
For i=9 to 127
  tDecode(i)="JLA"
Next
For i=9 to 127
  ChaineTemp=Mid(se.EncodeScriptFile(".vbs",string(3,i),0,""),13,3)
  For j=1 to 3
   c=Asc(Mid(ChaineTemp,j,1))
   tDecode(c)=Left(tDecode(c),j-1) & chr(i) & Mid(tDecode(c),j+1)
  Next
Next
'Next line we correct a bug, otherwise a ")" could be decoded to a ">"
tDecode(42)=Left(tDecode(42),1) & ")" & Right(tDecode(42),1)
Set se=Nothing