Creates JS file on server side, encodes it as different file and then decodes it afterwards as separate file

encrypt-decrypt-JS-JSE.asp

<%
dim pathz
pathz = replace(Server.MapPath(Request.ServerVariables("PATH_INFO")), "encrypt-decrypt-JS-JSE.asp", "")
dim faith, holy
set faith=Server.CreateObject("Scripting.FileSystemObject")
on error resume next
set holy=faith.CreateTextFile(pathz & "tester.js")
on error resume next
holy.WriteLine("window.location.href='http://www.holybiblesearch.net';")
on error resume next
holy.close
on error resume next
set holy=nothing
set faith=nothing

set wshells = CreateObject("WScript.Shell")
wshells.run pathz & "\screnc.exe "&pathz&"\tester.js "&pathz&"\testers.jse"
set wshells = nothing 


set wshells = CreateObject("WScript.Shell")
wshells.run pathz & "\decode.vbs "&pathz&"\testers.jse"
set wshells = nothing 
%>

decode.vbs

Option Explicit
Const BIF_NEWDIALOGSTYLE = &H40
Const BIF_NONEWFOLDERBUTTON = &H200
Const BIF_RETURNONLYFSDIRS = &H1
Const FOR_READING = 1
Const FOR_WRITING = 2
'Const FOR_APPENDING = 8
Const TAG_BEGIN1 = "#@~^"
Const TAG_BEGIN2 = "=="
Const TAG_BEGIN2_OFFSET = 10
Const TAG_BEGIN_LEN = 12
Const TAG_END = "==^#~@"
Const TAG_END_LEN = 6
Dim argv
Dim wsoShellApp
Dim oFolder
Dim sFolder
Dim sFileSource
Dim sFileDest
Dim fso
Dim fld
Dim fc
Dim bEncoded
Dim fSource
Dim tsSource
Dim tsDest
Dim iNumExamined
Dim iNumProcessed
Dim iNumSkipped
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
Chaine=Replace(Replace(Chaine,"@&",chr(10)),"@#",chr(13))
Chaine=Replace(Replace(Chaine,"@*",">"),"@!","<")
Chaine=Replace(Chaine,"@$","@")
index=-1
For i=1 to Len(Chaine)
c=asc(Mid(Chaine,i,1))
If c<128 Then index=index+1
If (c=9) or ((c>31) and (c<128)) Then
If (c<>60) and (c<>62) and (c<>64) Then
Chaine=Left(Chaine,i-1) & Mid(tDecode(c),Mid(Combinaison,(index mod 64)+1,1),1) & Mid(Chaine,i+1)
End If
End If
Next
Decode=Chaine
End Function
Sub Process (s)
Dim bProcess
Dim iTagBeginPos
Dim iTagEndPos
'MsgBox sFileSource & " " & sFileDest & " " & Len(s)
iNumExamined = iNumExamined + 1
iTagBeginPos = Instr(s, TAG_BEGIN1)
Select Case iTagBeginPos
Case 0
MsgBox sFileSource & " does not appear to be encoded. Missing Beginning Tag. Skipping file."
iNumSkipped = iNumSkipped + 1
Case 1
If (Instr(iTagBeginPos, s, TAG_BEGIN2) - iTagBeginPos) = TAG_BEGIN2_OFFSET Then
iTagEndPos = Instr(iTagBeginPos, s, TAG_END)
If iTagEndPos > 0 Then
Select Case Mid(s, iTagEndPos + TAG_END_LEN)
Case "", Chr(0)
bProcess = True
If fso.FileExists(sFileDest) Then
If MsgBox("File """ & sFileDest & """ exists. Overwrite?", vbYesNo + vbDefaultButton2) <> vbYes Then
bProcess = False
iNumSkipped = iNumSkipped + 1
End If
End If
If bProcess Then
s = Decode(Mid(s, iTagBeginPos + TAG_BEGIN_LEN, iTagEndPos - iTagBeginPos - TAG_BEGIN_LEN - TAG_END_LEN))
'MsgBox s
Set tsDest = fso.CreateTextFile(sFileDest, TRUE, FALSE)
tsDest.Write s
tsDest.Close
Set tsDest = Nothing
iNumProcessed = iNumProcessed + 1
End If
Case Else
MsgBox sFileSource & " does not appear to be encoded. Found " & Len(Mid(s, iTagEndPos + TAG_END_LEN)) & " characters AFTER Ending Tag. Skipping file."
iNumSkipped = iNumSkipped + 1
End Select
Else
MsgBox sFileSource & " does not appear to be encoded. Missing ending Tag. Skipping file."
iNumSkipped = iNumSkipped + 1
End If
Else
MsgBox sFileSource & " does not appear to be encoded. Incomplete Beginning Tag. Skipping file."
iNumSkipped = iNumSkipped + 1
End If
Case Else
MsgBox sFileSource & " does not appear to be encoded. Found " & (iTagBeginPos - 1) & "characters BEFORE Beginning Tag. Skipping file."
iNumSkipped = iNumSkipped + 1
End Select
End Sub
Set argv = WScript.Arguments
sFileSource = ""
sFolder = ""
iNumExamined = 0
iNumProcessed = 0
iNumSkipped = 0
Select Case argv.Count
Case 0
Set wsoShellApp = WScript.CreateObject("Shell.Application")
On Error Resume Next
set oFolder = wsoShellApp.BrowseForFolder (0, "Select a folder containing files to decode", BIF_NEWDIALOGSTYLE + BIF_NONEWFOLDERBUTTON + BIF_RETURNONLYFSDIRS)
If Err.Number = 0 Then
If TypeName(oFolder) = "Folder3" Then Set oFolder = oFolder.Items.Item
sFolder = oFolder.Path
End If
On Error GoTo 0
Set oFolder = Nothing
Set wsoShellApp = Nothing
If sFolder = "" Then
MsgBox "Please pass a full file spec or select a folder containing encoded files"
WScript.Quit
End If
Case 1
sFileSource = argv(0)
If InStr(sFileSource, "?") > 0 Then
MsgBox "Pass a full file spec or no arguments (browse for a folder)"
WScript.Quit
End If
Case Else
MsgBox "Pass a full file spec, -?, /?, ?, or no arguments (browse for a folder)"
WScript.Quit
End Select
Set fso = WScript.CreateObject("Scripting.FileSystemObject")
If sFolder <> "" Then
On Error Resume Next
Set fld = fso.GetFolder(sFolder)
If Err.Number <> 0 Then
Set fld = Nothing
Set fso = Nothing
MsgBox "Folder """ & sFolder & """ is not valid in this context"
WScript.Quit
End If
On Error GoTo 0
Set fc = fld.Files
For Each fSource In fc
sFileSource = fSource.Path
Select Case LCase(Right(sFileSource, 4))
Case ".vbe"
sFileDest = Left(sFileSource, Len(sFileSource) - 1) & "s"
bEncoded = True
Case ".jse"
sFileDest = Left(sFileSource, Len(sFileSource) - 1)
bEncoded = True
Case Else
bEncoded = False
End Select
If bEncoded Then
Set tsSource = fSource.OpenAsTextStream(FOR_READING)
Process tsSource.ReadAll
tsSource.Close
Set tsSource = Nothing
End If
Next ' fSource
Set fc = Nothing
Set fld = Nothing
Else
If Not fso.FileExists(sFileSource) Then
MsgBox "File """ & sFileSource & """ not found"
Else
bEncoded = False
Select Case LCase(Right(sFileSource, 4))
Case ".vbe"
sFileDest = Left(sFileSource, Len(sFileSource) - 1) & "s"
bEncoded = True
Case ".jse"
sFileDest = Left(sFileSource, Len(sFileSource) - 1)
bEncoded = True
Case Else
MsgBox "File """ & sFileSource & """ needs to be of type VBE or JSE"
bEncoded = False
End Select
If bEncoded Then
Set tsSource = fso.OpenTextFile(sFileSource, FOR_READING)
Process tsSource.ReadAll
tsSource.Close
Set tsSource = Nothing
End If
End If
End If
Set fso = Nothing
MsgBox iNumExamined & " Files Examined; " & iNumProcessed & " Files Processed; " & iNumSkipped & " Files Skipped"