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' ]

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.



17
18
19
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 17

def opts
  @opts
end

#realm_key ⇒ Object

Returns the value of attribute realm_key.



17
18
19
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 17

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



20
21
22
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 20

def use_client_as_proof
  @use_client_as_proof
end

Instance Method Details

#attempt_login(credential) ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 30

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 



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 45

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 



77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 77

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 it from the credential so we don't store it
      credential.public = nil
      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



24
25
26
27
28
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 24

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

#status_code(ldap_client) ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'lib/metasploit/framework/login_scanner/ldap.rb', line 62

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