function ShowVerboseSecurity { $msg = @" Account Logon - Credential Validation $m_credential_validation - Volume: ``Depends on NTLM usage. Could be high on DCs and low on clients and servers.`` - Default settings: ``Client OS: No Auditing`` | ``Server OS: Success`` - Recommended settings: ``Client and Server OSes: Success and Failure`` - Kerberos Authentication Service $m_kerberos_authentication_service - Volume: ``High`` - Default settings: ``Client OS: No Auditing`` | ``Server OS: Success`` - Recommended settings: ``Client OS: No Auditing`` | ``Server OS: Success and Failure`` - Kerberos Service Ticket Operations $m_kerberos_sevice_ticket_operations - Volume: ``High`` - Default settings: ``Client OS: No Auditing`` | ``Server OS: Success`` - Recommended settings: ``Domain Controllers: Success and Failure`` Account Management - Computer Account Management $m_computer_account_management - Volume: ``Low`` - Default settings: ``Client OS: No Auditing`` | ``Server OS: Success Only`` - Recommended settings: ``Domain Controllers: Success and Failure`` - Other Account Management Events $m_other_account_management - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - Security Group Management $m_security_group_management - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` - User Account Management $m_user_account_management - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` Detailed Tracking - Plug and Play Events $m_plug_and_play_events - Volume: ``Typcially low`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - Process Creation $m_process_creation - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` if sysmon is not configured. - Process Termination $m_process_termination - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``No Auditing`` unless you want to track the lifespan of processes. - RPC (Remote Procedure Call) Events $m_rpc_events - Volume: ``High on RPC servers`` (According to Microsoft) - Default settings: ``No Auditing`` - Recommended settings: ``Unknown. Needs testing.`` - Token Right Adjusted Events $m_token_right_adjusted_events - Volume: ``Unknown`` - Default settings: ``No Auditing`` - Recommended settings: ``Unknown. Needs testing.`` DS (Directory Service) Access - Directory Service Access $m_directory_service_access - Volume: ``High`` - Default settings: ``Client OS: No Auditing`` | ``Server OS: Success`` - Recommended settings: ``Client OS: No Auditing`` | ``ADDS Server: Success and Failure`` - Directory Service Changes - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Client OS: No Auditing`` | ``ADDS Server: Success and Failure`` Logon/Logoff - Account Lockout $m_account_lockout - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` - Group Membership - Volume: Adds an extra ``4627`` event to every logon. - Default settings: ``No Auditing`` - Recommended settings: ``No Auditing`` - Logoff $m_logoff - Volume: ``High`` - Default settings: ``Success`` - Recommended settings: ``Success`` - Logon $m_logon - Volume: ``Low on clients, medium on DCs or network servers`` - Default settings: ``Client OS: Success`` | ``Server OS: Success and Failure`` - Recommended settings: ``Success and Failure`` - Other Logon/Logoff Events $m_other_logon_logoff_events - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - Special Logon $m_special_logon - Volume: ``Low on clients. Medium on DC or network servers.`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` Object Access - Certification Services $m_certification_services - Volume: ``Low to medium`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` for AD CS role servers. - Detailed File Share $m_detailed_file_share - Volume: ``Very high for file servers and DCs, however, may be necessary if you want to track who is accessing what files as well as detect various lateral movement.`` - Default settings: ``No Auditing`` - Recommended settings: ``No Auditing`` due to the high noise level. Enable if you can though. - File Share $m_file_share - Volume: ``High for file servers and DCs.`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - File System $m_file_system - Volume: ``Depends on SACL rules`` - Default settings: ``No Auditing`` - Recommended settings: ``Enable SACLs just for sensitive files`` - Filtering Platform Connection $m_filtering_platform_connection - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` if you have enough space and are not monitoring network connections with sysmon. This should cause a high amount of events though. - Filtering Platform Packet Drop $m_filtering_platform_packet_drop - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` if you have enough space and are not monitoring network connections with sysmon. This should cause a high amount of events though. - Kernel Object $m_kernel_object - Volume: ``High if auditing access of global object access is enabled`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` but do not enable ``Audit the access of global system objects`` as you will generate too many ``4663: Object Access`` events. - Handle Manipulation $m_handle_manipulation - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - Other Object Access Events $m_other_object_access_events - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - Registry $m_registry - Volume: ``Depends on SACLs`` - Default settings: ``No Auditing`` - Recommended settings: ``Set SACLs for only the registry keys that you want to monitor`` - Removable Storage $m_removable_storage - Volume: ``Depends on how much removable storage is used`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` if you want to monitor external device usage. - SAM $m_sam - Volume: ``High volume of events on Domain Controllers`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` if you can but may cause too high volume of noise so should be tested beforehand. Policy Change - Audit Policy Change $m_audit_policy_change - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` - Authentication Policy Change $m_authentication_policy_change - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` - Authorization Policy Change $m_authorization_policy_change - Volume: ``Medium to High`` - Default settings: ``No Auditing`` - Recommended settings: ``Unknown. Needs testing.`` - Filtering Platform Policy Change $m_filtering_platform_policy_change - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``Unknown, Needs testing.`` - MPSSVC Rule-Level Policy Change $m_mpssvc_rule_level_policy_change - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``Unknown. Needs testing.`` - Other Policy Change Events $m_other_policy_change_events - Volume: ``Low`` - Default settings: ``No Auditing`` - Recommended settings: ``No Auditing`` (Note: ACSC recommends ``Success and Failure``, however, this results in a lot of noise of ``5447 (A Windows Filtering Platform filter has been changed)`` events being generated.) Privilege Use - Non Sensitive Use Events $m_non_sensitive_use_events - Volume: ``Very high`` - Default settings: ``No Auditing`` - Recommended settings: ``No Auditing`` - Sensitive Privilege Use $m_sensitive_privilege_use - Volume: ``High`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` However, this may be too noisy. System - Other System Events $m_other_system_events - Volume: ``Low`` - Default settings: ``Success and Failure`` - Recommended settings: ``Unknown. Needs testing.`` - Security State Change $m_security_state_change - Volume: ``Low`` - Default settings: ``Success`` - Recommended settings: ``Success and Failure`` - Security System Extension $m_security_system_extension - Volume: ``Low, but more on DCs`` - Default settings: ``No Auditing`` - Recommended settings: ``Success and Failure`` - System Integrity $m_system_integrity - Volume: ``Low`` - Default settings: ``Sucess, Failure`` - Recommended settings: ``Success and Failure`` "@ Write-Host $msg }