Expand-Bytes.ps1

function Expand-Bytes {
    param (
        [Parameter(
            Mandatory=$true,
            ValueFromPipeline=$true)]
        $bytes
    )

    $outstream = New-Object System.IO.MemoryStream
    $ms = [System.IO.MemoryStream]::New($bytes)
    $ds = [System.IO.Compression.DeflateStream]::New($ms, [System.IO.Compression.CompressionMode]::Decompress)

    $ds.CopyTo($outstream)
    $result = $outstream.ToArray()
    Write-Host (($result | % { "{0:X2}" -f $_ }) -join " ")
}