Deofuscation vbs (cscript.exe)

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Neki korisni saveti za debagovanje/deobfuskaciju zlonamernog VBS fajla:

echo

Wscript.Echo "Like this?"

Komentari

' this is a comment

Test

cscript.exe file.vbs

Upisivanje podataka u datoteku

Function writeBinary(strBinary, strPath)

Dim oFSO: Set oFSO = CreateObject("Scripting.FileSystemObject")

' below lines purpose: checks that write access is possible!
Dim oTxtStream

On Error Resume Next
Set oTxtStream = oFSO.createTextFile(strPath)

If Err.number <> 0 Then MsgBox(Err.message) : Exit Function
On Error GoTo 0

Set oTxtStream = Nothing
' end check of write access

With oFSO.createTextFile(strPath)
.Write(strBinary)
.Close
End With

End Function
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