106 lines
3.4 KiB
Ruby
106 lines
3.4 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'ruby_smb/dcerpc/client'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::SMB::Client::Authenticated
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include Msf::Exploit::Remote::DCERPC
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include Msf::Auxiliary::Report
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include Msf::Exploit::Remote::MsSamr
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include Msf::OptionalSession::SMB
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'SAMR Computer Management',
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'Description' => %q{
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Add, lookup and delete computer / machine accounts via MS-SAMR. By default
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standard active directory users can add up to 10 new computers to the
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domain. Administrative privileges however are required to delete the
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created accounts.
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},
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'License' => MSF_LICENSE,
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'Author' => [
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'JaGoTu', # @jagotu Original Impacket code
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'Spencer McIntyre',
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],
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'References' => [
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['URL', 'https://github.com/SecureAuthCorp/impacket/blob/master/examples/addcomputer.py'],
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],
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'Notes' => {
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'Reliability' => [],
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'Stability' => [],
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'SideEffects' => [ IOC_IN_LOGS ]
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},
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'Actions' => [
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[ 'ADD_COMPUTER', { 'Description' => 'Add a computer account' } ],
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[ 'DELETE_COMPUTER', { 'Description' => 'Delete a computer account' } ],
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[ 'LOOKUP_COMPUTER', { 'Description' => 'Lookup a computer account' } ]
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],
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'DefaultAction' => 'ADD_COMPUTER'
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)
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)
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register_options([
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OptString.new('COMPUTER_PASSWORD', [ false, 'The password for the new computer' ], conditions: %w[ACTION == ADD_COMPUTER]),
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Opt::RPORT(445)
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])
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end
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def run
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send("action_#{action.name.downcase}")
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rescue MsSamrConnectionError => e
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fail_with(Failure::Unreachable, e.message)
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rescue MsSamrAuthenticationError => e
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fail_with(Failure::NoAccess, e.message)
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rescue MsSamrNotFoundError => e
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fail_with(Failure::NotFound, e.message)
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rescue MsSamrBadConfigError => e
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fail_with(Failure::BadConfig, e.message)
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rescue MsSamrUnexpectedReplyError => e
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fail_with(Failure::UnexpectedReply, e.message)
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rescue MsSamrUnknownError => e
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fail_with(Failure::Unknown, e.message)
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end
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def action_add_computer
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with_ipc_tree do |opts|
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add_computer(opts)
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end
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end
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def action_delete_computer
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fail_with(Failure::BadConfig, 'This action requires COMPUTER_NAME to be specified.') if datastore['COMPUTER_NAME'].blank?
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with_ipc_tree do |opts|
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delete_computer(opts)
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end
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end
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def action_lookup_computer
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fail_with(Failure::BadConfig, 'This action requires COMPUTER_NAME to be specified.') if datastore['COMPUTER_NAME'].blank?
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with_ipc_tree do |opts|
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lookup_computer(opts)
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end
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end
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# @yieldparam options [Hash] If a SMB session is present, a hash with the IPC tree present. Empty hash otherwise.
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# @return [void]
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def with_ipc_tree
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opts = {}
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if session
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print_status("Using existing session #{session.sid}")
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client = session.client
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self.simple = ::Rex::Proto::SMB::SimpleClient.new(client.dispatcher.tcp_socket, client: client)
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opts[:tree] = simple.client.tree_connect("\\\\#{client.dispatcher.tcp_socket.peerhost}\\IPC$")
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end
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yield opts
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ensure
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opts[:tree].disconnect! if opts[:tree]
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end
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end
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