90 lines
2.9 KiB
Ruby
90 lines
2.9 KiB
Ruby
# -*- coding: binary -*-
|
|
require 'rex/proto/kerberos'
|
|
|
|
module Msf
|
|
module Kerberos
|
|
module Client
|
|
module Pac
|
|
# Builds a kerberos PA-PAC-REQUEST pre authenticated structure
|
|
#
|
|
# @param opts [Hash{Symbol => Boolean}]
|
|
# @option opts [Boolean] :pac_request_value
|
|
# @return [Rex::Proto::Kerberos::Model::Field::PreAuthData]
|
|
def build_pa_pac_request(opts = {})
|
|
value = opts[:pac_request_value] || false
|
|
pac_request = Rex::Proto::Kerberos::Model::PreAuthPacRequest.new(value: value)
|
|
pa_pac_request = Rex::Proto::Kerberos::Model::PreAuthData.new(
|
|
type: Rex::Proto::Kerberos::Model::PA_PAC_REQUEST,
|
|
value: pac_request.encode
|
|
)
|
|
|
|
pa_pac_request
|
|
end
|
|
|
|
def build_pac(opts)
|
|
user_name = opts[:client_name] || ''
|
|
user_id = opts[:user_id] || 1000
|
|
primary_group_id = opts[:group_id] || 513
|
|
group_ids = opts[:group_ids] || [513]
|
|
domain_name = opts[:realm] || ''
|
|
domain_id = opts[:domain_id] || ''
|
|
logon_time = opts[:logon_time]
|
|
if logon_time.nil?
|
|
raise ::RuntimeError, 'logon_time not set on build pac'
|
|
end
|
|
checksum_type = opts[:checksum_type] || Rex::Proto::Kerberos::Crypto::RsaMd5::RSA_MD5
|
|
|
|
logon_info = Rex::Proto::Kerberos::Pac::LogonInfo.new(
|
|
logon_time: logon_time,
|
|
effective_name: user_name,
|
|
user_id: user_id,
|
|
primary_group_id: primary_group_id,
|
|
group_ids: group_ids,
|
|
logon_domain_name: domain_name,
|
|
logon_domain_id: domain_id,
|
|
)
|
|
|
|
client_info = Rex::Proto::Kerberos::Pac::ClientInfo.new(
|
|
client_id: logon_time,
|
|
name: user_name
|
|
)
|
|
|
|
server_checksum = Rex::Proto::Kerberos::Pac::ServerChecksum.new(
|
|
checksum: checksum_type
|
|
)
|
|
|
|
priv_srv_checksum = Rex::Proto::Kerberos::Pac::PrivSvrChecksum.new(
|
|
checksum: checksum_type
|
|
)
|
|
|
|
pac_type = Rex::Proto::Kerberos::Pac::Type.new(
|
|
buffers: [
|
|
logon_info,
|
|
client_info,
|
|
server_checksum,
|
|
priv_srv_checksum
|
|
],
|
|
checksum: checksum_type
|
|
)
|
|
|
|
pac_type
|
|
end
|
|
|
|
def build_pac_authorization_data(opts)
|
|
pac = opts[:pac] || ''
|
|
|
|
pac_auth_data = Rex::Proto::Kerberos::Model::AuthorizationData.new(
|
|
elements: [{:type => Rex::Proto::Kerberos::Pac::AD_WIN2K_PAC, :data => pac}]
|
|
)
|
|
authorization_data = Rex::Proto::Kerberos::Model::AuthorizationData.new(
|
|
elements: [{:type => Rex::Proto::Kerberos::Model::AD_IF_RELEVANT, :data => pac_auth_data.encode}]
|
|
)
|
|
|
|
authorization_data
|
|
end
|
|
|
|
end
|
|
end
|
|
end
|
|
end
|