SigmaHQ/rules/windows/sysmon/sysmon_config_modification.yml
2021-06-10 16:36:14 +02:00

38 lines
1.1 KiB
YAML

action: global
title: Sysmon Configuration Modification
id: 1f2b5353-573f-4880-8e33-7d04dcf97744
description: Someone try to hide from Sysmon
status: experimental
author: frack113
date: 2021/06/04
modified: 2021/06/10
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md
- https://talesfrominfosec.blogspot.com/2017/12/killing-sysmon-silently.html
tags:
- attack.defense_evasion
- attack.t1564
falsepositives:
- legitimate administrative action
level: high
---
logsource:
product: windows
category: sysmon_status
detection:
selection_stop:
State: Stopped
selection_conf:
message|startswith:
- 'Sysmon config state changed'
condition: selection_stop or selection_conf
---
logsource:
product: windows
category: sysmon_error
detection:
selection_error:
Description|contains:
- 'Failed to open service configuration with error'
- 'Failed to connect to the driver to update configuration'
condition: selection_error