get-suspiciouselement.ps1

function Get-SuspiciousElement {
param ( [scriptblock]$sb, [switch]$InPlace )

  $susProp = $sb.ast.gettype().GetProperty("HasSuspiciousContent", [reflection.bindingflags]"NonPublic,Instance")

  $suspiciousContent = ""
  $sb.Ast.FindAll({$true}, $true) | %{
      if ( $susProp.GetValue($_) ) {
            $suspiciousContent = $_.Extent.Text
      }
  }

  if ($suspiciousContent -ne "") {
      if ($InPlace) {
            $sb.Ast.Extent.Text.Replace($suspiciousContent, ">>> $suspiciousContent <<<")
      }
      else
      {
            $suspiciousContent
      }
  }
}