Detect Possible Ruler usage On Exchange and Domain Controller

onDC.ps1

Get-EventLog -InstanceId 4776 -LogName "Security" | ForEach-Object {
  $sp = $_.message -split "`n" 
  $tmp = $sp | Select-String -Pattern 'RULER' 
  if($tmp.count -ge 1){
    Write-Host "Possible Ruler usage at: " $_.TimeGenerated
    $sp | Select-String -Pattern 'Logon Account:' | write-host
  }
}

onEXCH.ps1

Get-EventLog -InstanceId 4624 -LogName "Security" | ForEach-Object {
  $sp = $_.message -split "`n" 
  $tmp = $sp | Select-String -Pattern 'RULER' 
  if($tmp.count -ge 1){
    Write-Host "Possible Ruler usage at: " $_.TimeGenerated 
    $sp | Select-String -Pattern 'New Logon:' -Context 0,3 | write-host
  }
}

What's this Sir ?