Monday, July 29, 2013

Quick Script: check for blank password using Powershell


function Check-AdminPassword(){
$LocalAdministrator = "Administrator"
$PasswordToTest = ""
$Computer = Hostname

$LdapFilter = "(&(objectCategory=Computer)(name=$Computer*))"

$Searcher = New-Object System.DirectoryServices.DirectorySearcher($Null, $LdapFilter)
$Searcher.PageSize = 1000

$PropertiesToLoad = @("name")
$Searcher.PropertiesToLoad.AddRange($PropertiesToLoad)

$Results = @()
$Searcher.FindAll() | %{
  # Variable that can be accessed within the Trap
  $Script:Exception = $Null
  # Capture any error
  Trap [Exception] {
    $Script:Exception = ($_.Exception.Message).Trim()
    Continue;
  }

  # Test binding to the Administrators group with the specified username and password
  [Void](New-Object System.DirectoryServices.DirectoryEntry(`
    "WinNT://$($_.Properties['name'])/Administrators, group", `
    "$($_.Properties['name'])\$LocalAdministrator", `
    $PasswordToTest, 0)).PsBase.Get_Name()

  # If no error is returned the the bind suceeded with this password
  If (!$Script:Exception) {
    Write-Host "[ ] Admin Password on $($_.Properties['name']) is Blank!!!"
   
  } Else {
    Write-Host "[X] Admin Password on $($_.Properties['name']) is set"
    #Write-Host "$($_.Properties['name']): Error binding - $($Script:Exception)"
  }
}
# I am sure I copied most this script form someplace, but not sure where.

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