https://blog.cobaltstrike.com/2014/04/02/what-happens-when-i-type-getsystem/
https://www.offensive-security.com/metasploit-unleashed/privilege-escalation/
http://carnal0wnage.attackresearch.com/2010/01/metasploit-getsystem-command.html?m=1
http://www.khromozome.com/windows-privilege-escalation-bypassuac/
https://www.redspin.com/it-security-blog/2010/02/getsystem-privilege-escalation-via-metasploit/
