Class: Metasploit::Framework::LoginScanner::Caidao

Inherits:
HTTP
  • Object
show all
Defined in:
lib/metasploit/framework/login_scanner/caidao.rb

Overview

Chinese Caidao login scanner

Constant Summary collapse

DEFAULT_PORT =

Inherit LIKELY_PORTS, LIKELY_SERVICE_NAMES, and REALM_KEY from HTTP

80
PRIVATE_TYPES = 
[ :password ]
LOGIN_STATUS =

Shorter name

Metasploit::Model::Login::Status

Constants inherited from HTTP

HTTP::AUTHORIZATION_HEADER, HTTP::DEFAULT_HTTP_NOT_AUTHED_CODES, HTTP::DEFAULT_HTTP_SUCCESS_CODES, HTTP::DEFAULT_REALM, HTTP::DEFAULT_SSL_PORT, HTTP::LIKELY_PORTS, HTTP::LIKELY_SERVICE_NAMES, HTTP::REALM_KEY

Instance Attribute Summary

Attributes inherited from HTTP

#digest_auth_iis, #evade_header_folding, #evade_method_random_case, #evade_method_random_invalid, #evade_method_random_valid, #evade_pad_fake_headers, #evade_pad_fake_headers_count, #evade_pad_get_params, #evade_pad_get_params_count, #evade_pad_method_uri_count, #evade_pad_method_uri_type, #evade_pad_post_params, #evade_pad_post_params_count, #evade_pad_uri_version_count, #evade_pad_uri_version_type, #evade_shuffle_get_params, #evade_shuffle_post_params, #evade_uri_dir_fake_relative, #evade_uri_dir_self_reference, #evade_uri_encode_mode, #evade_uri_fake_end, #evade_uri_fake_params_start, #evade_uri_full_url, #evade_uri_use_backslashes, #evade_version_random_invalid, #evade_version_random_valid, #http_password, #http_success_codes, #http_username, #keep_connection_alive, #kerberos_authenticator_factory, #method, #ntlm_domain, #ntlm_send_lm, #ntlm_send_ntlm, #ntlm_send_spn, #ntlm_use_lm_key, #ntlm_use_ntlmv2, #ntlm_use_ntlmv2_session, #uri, #user_agent, #vhost

Instance Method Summary collapse

Methods inherited from HTTP

#authentication_required?, #send_request

Instance Method Details

#attempt_login(credential) ⇒ Result

Attempts to login to Caidao Backdoor. This is called first.

Parameters:

Returns:

  • (Result) —

    A Result object indicating success or failure



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# File 'lib/metasploit/framework/login_scanner/caidao.rb', line 78

def (credential)
  result_opts = {
    credential:  credential,
    status: Metasploit::Model::Login::Status::INCORRECT,
    proof: nil,
    host: host,
    port: port,
    protocol: 'tcp'
  }

  if ssl
    result_opts[:service_name] = 'https'
  else
    result_opts[:service_name] = 'http'
  end

  begin
    result_opts.merge!((credential.public, credential.private))
  rescue ::Rex::ConnectionError => e
    result_opts.merge!(status: LOGIN_STATUS::UNABLE_TO_CONNECT, proof: e.message)
  end
  Result.new(result_opts)
end

#check_setup ⇒ Boolean

Checks if the target is Caidao Backdoor. The login module should call this.

Returns:

  • (Boolean) —

    TrueClass if target is Caidao, otherwise FalseClass



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# File 'lib/metasploit/framework/login_scanner/caidao.rb', line 17

def check_setup
  @flag ||= Rex::Text.rand_text_alphanumeric(4)
  @lmark ||= Rex::Text.rand_text_alphanumeric(4)
  @rmark ||= Rex::Text.rand_text_alphanumeric(4)

  case uri
  when /php$/mi
    @payload = "$_=\"#{@flag}\";echo \"#{@lmark}\".$_.\"#{@rmark}\";"
    return true
  when /asp$/mi
    @payload = 'execute("response.write(""'
    @payload << "#{@lmark}"
    @payload << '""):response.write(""'
    @payload << "#{@flag}"
    @payload << '""):response.write(""'
    @payload << "#{@rmark}"
    @payload << '""):response.end")'
    return true
  when /aspx$/mi
    @payload = "Response.Write(\"#{@lmark}\");"
    @payload << "Response.Write(\"#{@flag}\");"
    @payload << "Response.Write(\"#{@rmark}\")"
    return true
  end
  false
end

#set_sane_defaults ⇒ Object 



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# File 'lib/metasploit/framework/login_scanner/caidao.rb', line 44

def set_sane_defaults
  self.method = "POST" if self.method.nil?
  super
end

#try_login(username, password) ⇒ Hash

Actually doing the login. Called by #attempt_login

Parameters:

  • username (String) —

    The username to try

  • password (String) —

    The password to try

Returns:

  • (Hash) —

    • :status [Metasploit::Model::Login::Status]

    • :proof [String] the HTTP response body



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# File 'lib/metasploit/framework/login_scanner/caidao.rb', line 56

def (username, password)
  res = send_request(
    'method'  => method,
    'uri'     => uri,
    'data'    => "#{password}=#{@payload}"
  )

  unless res
    return { :status => LOGIN_STATUS::UNABLE_TO_CONNECT, :proof => res.to_s }
  end

  if res && res.code == 200 && res.body.to_s.include?("#{@lmark}#{@flag}#{@rmark}")
    return { :status => Metasploit::Model::Login::Status::SUCCESSFUL, :proof => res.to_s }
  end

  { :status => Metasploit::Model::Login::Status::INCORRECT, :proof => res.to_s }
end