mirror of
https://github.com/Yamato-Security/WELA.git
synced 2025-12-06 09:12:46 +01:00
feat: verbose security
This commit is contained in:
fukusuket
1
WELA.ps1
1
WELA.ps1
@@ -68,6 +68,7 @@ $totalUsablePwsModRate = CalculateTotalUsableRate -usableRate $usablePwsModRate
|
||||
$totalUsablePwsScrRate = CalculateTotalUsableRate -usableRate $usablePwsScrRate
|
||||
|
||||
ShowRulesCountsByLevel -usableRate $usableSecRate -msg "Security event log detection rules: " -colorMsg "$totalUsableSecRate (Partially Enabled)"
|
||||
ShowVerboseSecurity
|
||||
ShowRulesCountsByLevel -usableRate $usablePwsClaRate -msg "PowerShell classic logging detection rules: " -colorMsg "$totalUsablePwsClaRate (Enabled)"
|
||||
ShowRulesCountsByLevel -usableRate $usablePwsModRate -msg "PowerShell module logging detection rules: " -colorMsg "$totalUsablePwsModRate ($pwsModStatus)"
|
||||
ShowRulesCountsByLevel -usableRate $usablePwsScrRate -msg "PowerShell script block logging detection rules: " -colorMsg "$totalUsablePwsScrRate ($pwsSrcStatus)"
|
||||
|
||||
191
WELAAuditMsg.psm1
Normal file
191
WELAAuditMsg.psm1
Normal file
@@ -0,0 +1,191 @@
|
||||
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 $msg
|
||||
}
|
||||
|
||||
@@ -220,8 +220,4 @@ function Test-IsAdministrator {
|
||||
return (New-Object Security.Principal.WindowsPrincipal($currentUser)).IsInRole($adminRole)
|
||||
}
|
||||
|
||||
if (-not (Test-IsAdministrator)) {
|
||||
Write-Output "This script must be run as an Administrator."
|
||||
exit
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user