Files
hayabusa/rules/Sigma/win_disable_event_logging.yml
2021-11-14 11:00:56 +09:00

41 lines
1.6 KiB
YAML

title: Disabling Windows Event Auditing
author: '@neu5ron'
date: 2017/11/19
description: 'Detects scenarios where system auditing (ie: windows event log auditing)
is disabled. This may be used in a scenario where an entity would want to bypass
local logging to evade detection when windows event logging is enabled and reviewed.
Also, it is recommended to turn off "Local Group Policy Object Processing" via
GPO, which will make sure that Active Directory GPOs take precedence over local/edited
computer policies via something such as "gpedit.msc". Please note, that disabling
"Local Group Policy Object Processing" may cause an issue in scenarios of one
off specific GPO modifications -- however it is recommended to perform these modifications
in Active Directory anyways.'
detection:
SELECTION_1:
EventID: 4719
SELECTION_2:
AuditPolicyChanges: '*%%8448*'
SELECTION_3:
AuditPolicyChanges: '*%%8450*'
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
falsepositives:
- Unknown
id: 69aeb277-f15f-4d2d-b32a-55e883609563
level: high
logsource:
definition: 'Requirements: Audit Policy : Computer Management > Audit Policy Configuration,
Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced
Audit Policy Configuration\Audit Policies\Policy Change\Audit Authorization
Policy Change'
product: windows
service: security
references:
- https://bit.ly/WinLogsZero2Hero
tags:
- attack.defense_evasion
- attack.t1054
- attack.t1562.002
yml_filename: win_disable_event_logging.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin