ronin-rb/ronin-brute

# frozen_string_literal: true
#
# ronin-brute - A micro-framework and tool for bruteforcing credentials.
#
# Copyright (c) 2023-2024 Hal Brodigan (postmodern.mod3@gmail.com)
#
# ronin-brute is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ronin-brute is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with ronin-brute.  If not, see <https://www.gnu.org/licenses/>.
#

require 'ronin/brute/tcp_bruteforcer'
require 'ronin/brute/mixins/login_timeout'
require 'ronin/brute/params/database'

require 'mysql'

module Ronin
  module Brute
    #
    # A MySQL login bruteforcer.
    #
    class MySQL < TCPBruteforcer

      include Mixins::LoginTimeout
      include Params::Database

      register 'mysql'

      port 3306
      login_timeout 4

      #
      # Bruteforces a MySQL server.
      #
      # @param [Async::LimitedQueue] credentials
      #   The credentials to test.
      #
      # @yield [username, password]
      #   The given block will be passed each valid username and password
      #   combination from the credentials list.
      #
      # @yieldparam [String] username
      #   A valid username.
      #
      # @yieldparam [String] password
      #   A valid password.
      #
      def bruteforce(credentials)
        host     = params[:host]
        port     = params[:port]
        database = params[:database]

        while (username, password = credentials.dequeue)
          connection = login_timeout do
            Mysql.connect("mysql://#{username}:#{password}@#{host}:#{port}/#{database}")
          rescue Mysql::ServerError::AccessDeniedError
          end

          if connection
            yield username, password
          end
        end
      end

    end
  end
end