Obfuscate Command in your Clipboard (even if base64 encoded).

gistfile1.txt

function obs()
{
    Import-Module Invoke-Obfuscation

    $s = Get-Clipboard

    if ($s -eq $null)
    {
        Write-Host "Clipboard is nulll."
    }
    else 
    {
        try {
            $dec_bytes = [System.Convert]::FromBase64String($s)
            $dec_string = [System.Text.Encoding]::Unicode.GetString($dec_bytes)
        }
        catch {
            # Command is not b64 encoded
            $dec_string = @'
$($s)
'@
        }

        $obfs = Out-StringDelimitedAndConcatenated $dec_string

        $enc_bytes = [System.Text.Encoding]::Unicode.GetBytes($obfs)
        $enc_string = [System.Convert]::ToBase64String($enc_bytes)

        $output =  "powershell.exe -NoP -sta -NonI -W 1 -Enc $enc_string"
        $output | clip

        Write-Host "[+] Obfuscated command copied to clipboard."
    }
}