From e053c4a0ad14e3de73cd55ffd39c2c385506c4eb Mon Sep 17 00:00:00 2001
From: nmonkee <dave@northern-monkee.co.uk>
Date: Wed, 7 Nov 2012 12:37:01 +0000
Subject: [PATCH] This module makes use of the RFC_READ_TABLE Remote Function
 Call (via SOAP) to read data from tables.

---
 .../scanner/sap/sap_soap_rfc_read_table.rb    | 137 ++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100755 modules/auxiliary/scanner/sap/sap_soap_rfc_read_table.rb

diff --git a/modules/auxiliary/scanner/sap/sap_soap_rfc_read_table.rb b/modules/auxiliary/scanner/sap/sap_soap_rfc_read_table.rb
new file mode 100755
index 0000000000..7bd00a0cfc
--- /dev/null
+++ b/modules/auxiliary/scanner/sap/sap_soap_rfc_read_table.rb
@@ -0,0 +1,137 @@
+##
+# This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+# http://metasploit.com/framework/
+##
+
+##
+# This module is based on, inspired by, or is a port of a plugin available in 
+# the Onapsis Bizploit Opensource ERP Penetration Testing framework - 
+# http://www.onapsis.com/research-free-solutions.php.
+# Mariano Nuñez (the author of the Bizploit framework) helped me in my efforts
+# in producing the Metasploit modules and was happy to share his knowledge and
+# experience - a very cool guy. I'd also like to thank Chris John Riley, 
+# Ian de Villiers and Joris van de Vis who have Beta tested the modules and 
+# provided excellent feedback. Some people just seem to enjoy hacking SAP :)
+##
+
+require 'msf/core'
+
+class Metasploit4 < Msf::Auxiliary
+
+	include Msf::Exploit::Remote::HttpClient
+	include Msf::Auxiliary::Report
+	include Msf::Auxiliary::Scanner
+
+	def initialize
+		super(
+			'Name' => 'SAP RFC RFC_READ_TABLE',
+			'Version' => '$Revision: $0.1',
+			'Description' => %q{
+				This module makes use of the RFC_READ_TABLE Remote Function Call (via SOAP) to read data from tables.
+				},
+			'References' => [[ 'URL', 'http://labs.mwrinfosecurity.com' ]],
+			'Author' => [ 'Agnivesh Sathasivam', 'nmonkee' ],
+			'License' => BSD_LICENSE
+			)
+	
+	register_options(
+		[
+			OptString.new('CLIENT', [true, 'Client', nil]),
+			OptString.new('USERNAME', [true, 'Username', nil]),
+			OptString.new('PASSWORD', [true, 'Password', nil]),
+			OptString.new('TABLE', [true, 'Table to read', nil]),
+			OptString.new('FIELDS', [true, 'Fields to read', '*']),
+		], self.class)
+	end
+	
+	def run_host(ip)
+		columns = []
+		columns.push ('*') if datastore['FIELDS'].nil?
+		if datastore['FIELDS']
+			columns.push (datastore['FIELDS']) if datastore['FIELDS'] =~ /^\w?/
+			columns = datastore['FIELDS'].split(',') if datastore['FIELDS'] =~ /\w*,\w*/
+		end
+		fields = ''
+		columns.each do |d|
+			fields << "<item><FIELDNAME>" + d.gsub(/\s+/, "") + "</FIELDNAME></item>"
+		end
+		exec(ip,fields)
+	end
+	
+	def exec(ip,fields)
+		data = '<?xml version="1.0" encoding="utf-8" ?>'
+		data << '<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">'
+		data << '<env:Body>'
+		data << '<n1:RFC_READ_TABLE xmlns:n1="urn:sap-com:document:sap:rfc:functions" env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">'
+		data << '<DELIMITER xsi:type="xsd:string">|</DELIMITER>'
+		data << '<NO_DATA xsi:nil="true"></NO_DATA>'
+		data << '<QUERY_TABLE xsi:type="xsd:string">' + datastore['TABLE'] + '</QUERY_TABLE>'
+		data << '<DATA xsi:nil="true"></DATA>'
+		data << '<FIELDS xsi:nil="true">' + fields + '</FIELDS>'
+		data << '<OPTIONS xsi:nil="true"></OPTIONS>'
+		data << '</n1:RFC_READ_TABLE>'
+		data << '</env:Body>'
+		data << '</env:Envelope>'
+		user_pass = Rex::Text.encode_base64(datastore['USERNAME'] + ":" + datastore['PASSWORD'])
+		print_status("[SAP] #{ip}:#{rport} - sending SOAP RFC_READ_TABLE request")
+		begin
+			error = ''
+			success = ''
+			res = send_request_raw({
+				'uri' => '/sap/bc/soap/rfc?sap-client=' + datastore['CLIENT'] + '&sap-language=EN',
+				'method' => 'POST',
+				'data' => data,
+				'headers' =>{
+					'Content-Length' => data.size.to_s,
+					'SOAPAction' => 'urn:sap-com:document:sap:rfc:functions',
+					'Cookie' => 'sap-usercontext=sap-language=EN&sap-client=' + datastore['CLIENT'],
+					'Authorization' => 'Basic ' + user_pass,
+					'Content-Type' => 'text/xml; charset=UTF-8',
+					}
+				}, 45)
+			if (res and res.code != 500 and res.code != 200)
+				# to do - implement error handlers for each status code, 404, 301, etc.
+				if res.body =~ /<h1>Logon failed<\/h1>/
+					print_error("[SAP] #{ip}:#{rport} - login failed!")
+				else
+					print_error("[SAP] #{ip}:#{rport} - something went wrong!")
+				end
+				return
+			elsif res.body =~ /Exception/
+				response = res.body
+				error = response.scan(%r{<faultstring>(.*?)</faultstring>})
+				success = false
+				return
+			else
+				response = res.body
+				success = true
+			end
+			if success == true
+				output = response.scan(%r{<WA>([^<]+)</WA>}).flatten
+				print_status("[SAP] #{ip}:#{rport} - got response")
+				saptbl = Msf::Ui::Console::Table.new(
+					Msf::Ui::Console::Table::Style::Default,
+						'Header' => "[SAP] RFC_READ_TABLE",
+						'Prefix' => "\n",
+						'Postfix' => "\n",
+						'Indent' => 1,
+						'Columns' => ["Returned Data"],
+						)
+				for i in 0..output.length-1
+					saptbl << [output[i]]
+				end
+				print(saptbl.to_s)
+			end
+			if success == false
+				for i in 0..error.length-1
+					print_error("[SAP] #{ip}:#{rport} - error #{error[i]}")
+				end
+			end
+			rescue ::Rex::ConnectionError
+				print_error("[SAP] #{ip}:#{rport} - Unable to connect")
+				return
+			end
+		end
+	end