Class: Metasploit::Framework::LoginScanner::LDAP

Inherits:
Object
  • Object
show all
Includes:
Metasploit::Framework::LDAP::Client, Base, Msf::Exploit::Remote::LDAP
Defined in:
lib/metasploit/framework/login_scanner/ldap.rb

Constant Summary collapse

LIKELY_PORTS = 
[ 389, 636 ]
LIKELY_SERVICE_NAMES = 
[ 'ldap', 'ldaps', 'ldapssl' ]
PRIVATE_TYPES = 
[:password, :ntlm_hash]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Msf::Exploit::Remote::LDAP

#get_connect_opts, #initialize, #ldap_connect, #ldap_escape_filter, #ldap_new, #ldap_open, #peer, #resolve_connect_opts, #rhost, #rport, #validate_bind_success!, #validate_query_result!

Methods included from Metasploit::Framework::LDAP::Client

#ldap_connect_opts

Methods included from Msf::Exploit::Remote::Kerberos::ServiceAuthenticator::Options

#kerberos_auth_options

Methods included from Msf::Exploit::Remote::Kerberos::Ticket::Storage

#initialize, #kerberos_storage_options, #kerberos_ticket_storage, store_ccache

Instance Attribute Details

#opts ⇒ Object

Returns the value of attribute opts.



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 18

def opts
  @opts
end

#realm_key ⇒ Object

Returns the value of attribute realm_key.



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 18

def realm_key
  @realm_key
end

#use_client_as_proof ⇒ Boolean

Returns If a login is successful and this attribute is true - an LDAP::Client instance is used as proof.

Returns:

  • (Boolean) —

    If a login is successful and this attribute is true - an LDAP::Client instance is used as proof



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 21

def use_client_as_proof
  @use_client_as_proof
end

Instance Method Details

#attempt_login(credential) ⇒ Object 



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 31

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

  result_opts.merge!((credential))
  Result.new(result_opts)
end

#do_login(credential) ⇒ Object 



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 46

def (credential)
  opts = {
    username: credential.public,
    password: credential.private,
    framework_module: framework_module,
    ldap_auth: 'auto'
  }.merge(@opts)

  connect_opts = ldap_connect_opts(host, port, connection_timeout, ssl: opts[:ssl], opts: opts)
  begin
    ldap_client = ldap_open(connect_opts, keep_open: true)
    return status_code(ldap_client)
  rescue StandardError => e
    { status: Metasploit::Model::Login::Status::UNABLE_TO_CONNECT, proof: e }
  end
end

#each_credential ⇒ Object 



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

def each_credential
  cred_details.each do |raw_cred|
    # This could be a Credential object, or a Credential Core, or an Attempt object
    # so make sure that whatever it is, we end up with a Credential.
    credential = raw_cred.to_credential

    if opts[:ldap_auth] == Msf::Exploit::Remote::AuthOption::KERBEROS && opts[:ldap_krb5_cname]
      # If we're using kerberos auth with a ccache then the password is irrelevant
      # Remove it from the credential so we don't store it
      credential.private = nil
    elsif opts[:ldap_auth] == Msf::Exploit::Remote::AuthOption::SCHANNEL
      # If we're using kerberos auth with schannel then the user/password is irrelevant
      # Remove the password from the credential so we don't store it
      # Note that the username is kept since it is needed for the certificate lookup.
      credential.private = nil
    end

    if credential.realm.present? && realm_key.present?
      credential.realm_key = realm_key
    elsif credential.realm.present? && realm_key.blank?
      # This service has no realm key, so the realm will be
      # meaningless. Strip it off.
      credential.realm = nil
      credential.realm_key = nil
    end

    yield credential

    if opts[:append_domain] && credential.realm.nil?
      credential.public = "#{credential.public}@#{opts[:domain]}"
      yield credential
    end
  end
end

#set_sane_defaults ⇒ Object

This method sets the sane defaults for things like timeouts and TCP evasion options



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 25

def set_sane_defaults
  self.opts ||= {}
  self.connection_timeout = 30 if self.connection_timeout.nil?
  nil
end

#status_code(ldap_client) ⇒ Object 



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# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 63

def status_code(ldap_client)
  operation_result = ldap_client.get_operation_result.table[:code]
  case operation_result
  when 0
    result = { status: Metasploit::Model::Login::Status::SUCCESSFUL }
    if use_client_as_proof
      result[:proof] = ldap_client
      result[:connection] = ldap_client.socket
    end
    result
  else
    { status: Metasploit::Model::Login::Status::INCORRECT, proof: "Bind Result: #{operation_result}" }
  end
end