2009-07-22 19:10:45 +00:00
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##
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2014-10-17 16:47:33 +00:00
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# This module requires Metasploit: http://metasploit.com/download
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2013-10-15 18:50:46 +00:00
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# Current source: https://github.com/rapid7/metasploit-framework
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2009-07-22 19:10:45 +00:00
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##
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2016-03-08 13:02:44 +00:00
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class MetasploitModule < Msf::Auxiliary
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2009-07-22 19:10:45 +00:00
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2013-08-30 21:28:54 +00:00
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include Msf::Exploit::Remote::FtpServer
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include Msf::Auxiliary::Report
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def initialize
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super(
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'Name' => 'FTP File Server',
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'Description' => %q{
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This module provides a FTP service
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},
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'Author' => ['hdm'],
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'License' => MSF_LICENSE,
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'Actions' =>
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[
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[ 'Service' ]
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],
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'PassiveActions' =>
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[
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'Service'
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],
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'DefaultAction' => 'Service'
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)
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register_options(
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[
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OptString.new('FTPROOT', [ true, "The FTP root directory to serve files from", '/tmp/ftproot' ]),
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OptString.new('FTPUSER', [ false, "Configure a specific username that should be allowed access"]),
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OptString.new('FTPPASS', [ false, "Configure a specific password that should be allowed access"]),
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2017-05-03 20:42:21 +00:00
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])
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2013-08-30 21:28:54 +00:00
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end
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def run
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exploit()
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end
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def on_client_command_user(c,arg)
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@state[c][:user] = arg
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if(not datastore['FTPUSER'] or (arg == datastore['FTPUSER']))
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c.put "331 User name okay, need password...\r\n"
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else
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c.put "500 User name invalid\r\n"
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end
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return
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end
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def on_client_command_pass(c,arg)
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@state[c][:pass] = arg
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if(not datastore['FTPPASS'] or (arg == datastore['FTPPASS']))
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c.put "230 Login OK\r\n"
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@state[c][:auth] = true
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else
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c.put "500 Password invalid\r\n"
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@state[c][:auth] = false
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end
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return
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end
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def on_client_command_retr(c,arg)
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print_status("#{@state[c][:name]} FTP download request for #{arg}")
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if(not @state[c][:auth])
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c.put "500 Access denied\r\n"
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return
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end
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path = ::File.join(datastore['FTPROOT'], Rex::FileUtils.clean_path(arg))
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2016-04-20 12:11:34 +00:00
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if(not ::File.exist?(path))
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2013-08-30 21:28:54 +00:00
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c.put "550 File does not exist\r\n"
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return
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end
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conn = establish_data_connection(c)
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if(not conn)
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c.put("425 Can't build data connection\r\n")
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return
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end
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c.put("150 Opening BINARY mode data connection for #{arg}\r\n")
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conn.put(::File.read(path, ::File.size(path)))
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c.put("226 Transfer complete.\r\n")
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conn.close
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end
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def on_client_command_list(c,arg)
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if(not @state[c][:auth])
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c.put "500 Access denied\r\n"
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return
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end
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conn = establish_data_connection(c)
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if(not conn)
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c.put("425 Can't build data connection\r\n")
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return
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end
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pwd = ::File.join(datastore['FTPROOT'], @state[c][:cwd])
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buf = ''
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begin
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Dir.new(pwd).entries.each do |ent|
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path = ::File.join(datastore['FTPROOT'], ent)
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if(::File.directory?(path))
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buf << "drwxr-xr-x 2 0 0 512 Jan 1 2000 #{ent}\r\n"
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end
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if(::File.file?(path))
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buf << "-rw-r--r-- 1 0 0 #{::File.size(path)} Jan 1 2000 #{ent}\r\n"
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end
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end
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rescue ::Exception
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end
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c.put("150 Opening ASCII mode data connection for /bin/ls\r\n")
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conn.put("total #{buf.length}\r\n" + buf)
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c.put("226 Transfer complete.\r\n")
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conn.close
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end
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def on_client_command_size(c,arg)
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if(not @state[c][:auth])
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c.put "500 Access denied\r\n"
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return
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end
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path = ::File.join(datastore['FTPROOT'], Rex::FileUtils.clean_path(arg))
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2016-04-20 12:11:34 +00:00
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if(not ::File.exist?(path))
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2013-08-30 21:28:54 +00:00
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c.put "550 File does not exist\r\n"
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return
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end
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c.put("213 #{::File.size(path)}\r\n")
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end
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def on_client_command_cwd(c,arg)
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if(not @state[c][:auth])
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c.put "500 Access denied\r\n"
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return
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end
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upath = ::File.expand_path(datastore['FTPROOT'])
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npath = ::File.expand_path(::File.join(datastore['FTPROOT'], @state[c][:cwd], arg))
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bpath = npath[upath.length, npath.length - upath.length]
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# Check for traversal above the root directory
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if not (npath[0, upath.length] == upath or bpath == '')
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bpath = '/'
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end
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npath = ::File.expand_path(::File.join(datastore['FTPROOT'], bpath))
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2016-04-20 12:11:34 +00:00
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if not (::File.exist?(npath) and ::File.directory?(npath))
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2013-08-30 21:28:54 +00:00
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c.put "550 Directory does not exist\r\n"
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return
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end
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bpath = '/' if bpath == ''
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@state[c][:cwd] = bpath
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c.put "250 CWD command successful.\r\n"
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end
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2009-07-22 19:10:45 +00:00
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end
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