76 lines
2.4 KiB
Ruby
76 lines
2.4 KiB
Ruby
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# -*- coding: binary -*-
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require 'rex/proto/kerberos'
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module Msf
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module Kerberos
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module Client
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module Pac
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# Builds a kerberos PA-PAC-REQUEST pre authenticated structure
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#
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# @param opts [Hash{Symbol => Boolean}]
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# @option opts [Boolean] :pac_request_value
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# @return [Rex::Proto::Kerberos::Model::Field::PreAuthData]
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def build_pa_pac_request(opts = {})
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value = opts[:pac_request_value] || false
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pac_request = Rex::Proto::Kerberos::Model::PreAuthPacRequest.new(value: value)
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pa_pac_request = Rex::Proto::Kerberos::Model::PreAuthData.new(
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type: Rex::Proto::Kerberos::Model::PA_PAC_REQUEST,
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value: pac_request.encode
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)
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pa_pac_request
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end
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def build_pac(opts)
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user_name = opts[:client_name] || ''
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user_id = opts[:user_id] || 1000
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primary_group_id = opts[:group_id] || 513
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group_ids = opts[:group_ids] || [513]
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domain_name = opts[:realm] || ''
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domain_id = opts[:domain_id] || ''
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logon_time = opts[:logon_time]
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if logon_time.nil?
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raise ::RuntimeError, 'logon_time not set on build pac'
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end
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checksum_type = opts[:checksum_type] || Rex::Proto::Kerberos::Crypto::RsaMd5::RSA_MD5
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logon_info = Rex::Proto::Kerberos::Pac::LogonInfo.new(
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logon_time: logon_time,
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effective_name: user_name,
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user_id: user_id,
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primary_group_id: primary_group_id,
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group_ids: group_ids,
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logon_domain_name: domain_name,
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logon_domain_id: domain_id,
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)
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client_info = Rex::Proto::Kerberos::Pac::ClientInfo.new(
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client_id: logon_time,
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name: user_name
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)
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server_checksum = Rex::Proto::Kerberos::Pac::ServerChecksum.new(
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checksum: checksum_type
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)
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priv_srv_checksum = Rex::Proto::Kerberos::Pac::PrivSvrChecksum.new(
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checksum: checksum_type
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)
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pac_type = Rex::Proto::Kerberos::Pac::Type.new(
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buffers: [
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logon_info,
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client_info,
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server_checksum,
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priv_srv_checksum
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],
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checksum: checksum_type
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)
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pac_type
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end
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end
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end
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end
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end
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