BootExecute Keys

#BOOTEXECUTE KEY
#launched by smss
http://resources.infosecinstitute.com/common-malware-persistence-mechanisms/#gref
$data += [PSObject] @{Path='HKLM:\System\CurrentControlSet\Control\Session Manager\'; Entries='BootExecute','SetupExecute','Execute','S0InitialCommand'}

'SetupExecute','Execute','S0InitialCommand' should not change after installation.