This is the VBScript Obfuscator written in VBScript. You can obfuscate your VBS source file easily with this command line utility.

Github: https://github.com/DoctorLai/VBScript_Obfuscator

How does it work?

The obfuscator will parse each character of your VBS file, and obfuscate it via a random character. The source code is thus obfuscated with concatenation of these characters.

The obfuscated source can be run with the VBScript function Execute but the source code looks pretty obfuscated.

Function vbs_obfuscator(n)
    Dim r, k
    r = Round(Rnd() * 10000) + 1
    k = Round(Rnd() * 2) + 1
    Select Case k
        Case 0
            vbs_obfuscator = "CLng(&H" & Hex(r + n) & ")-" & r
        Case 1
            vbs_obfuscator = (n - r) & "+CLng(&H" & Hex(r) & ")"
        Case Else
            vbs_obfuscator = (n * r) & "/CLng(&H" & Hex(r) & ")"
    End Select          
End Function

Function Obfuscator(vbs)
    Dim length, s, i
    length = Len(vbs)
    s = ""
    For i = 1 To length
        s = s & "chr(" & vbs_obfuscator(Asc(Mid(vbs, i))) + ")&"
    Next
    s = s & "vbCrlf"
    Obfuscator = "Execute " & s
End Function

Passing multiple filenames

You can pass multiple VBScript file names at command line, and the obfuscator will obfuscate each source and print the obfuscated string one by one to the console.

You can also redirect the console to save to new vbs via cscript.exe vbs_obfuscator.vbs sample.vbs > sample_obfuscated.vbs

Proof of work

doctorlai is my github ID and you can view my profile https://github.com/DoctorLai which has my steemit URL page.

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Posted on Utopian.io - Rewarding Open Source Contributors

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