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Detection rules › Sigma

ETW Logging Disabled For SCM

Status
test
Severity
low
Log source
category registry_set, product windows
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects changes to the "TracingDisabled" key in order to disable ETW logging for services.exe (SCM)

MITRE ATT&CK coverage

TacticTechniques
Persistence
Defense Impairment

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 13: RegistryEvent (Value Set)

Rule body

title: ETW Logging Disabled For SCM
id: 4f281b83-0200-4b34-bf35-d24687ea57c2
status: test
description: Detects changes to the "TracingDisabled" key in order to disable ETW logging for services.exe (SCM)
references:
    - http://redplait.blogspot.com/2020/07/whats-wrong-with-etw.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-09
modified: 2023-08-17
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
    - attack.t1685
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|endswith: 'Software\Microsoft\Windows NT\CurrentVersion\Tracing\SCM\Regular\TracingDisabled'
        Details: 'DWORD (0x00000001)' # Funny (sad) enough, this value is by default 1.
    condition: selection
falsepositives:
    - Unknown
level: low

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|endswith: 'Software\Microsoft\Windows NT\CurrentVersion\Tracing\SCM\Regular\TracingDisabled'
    Details: 'DWORD (0x00000001)'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
Detailseq
  • DWORD (0x00000001) corpus 40 (sigma 36, chronicle 4)
field:"Details" kind:eq value:"DWORD (0x00000001)"
TargetObjectends_with
  • Software\Microsoft\Windows NT\CurrentVersion\Tracing\SCM\Regular\TracingDisabled
field:"TargetObject" kind:ends_with value:"Software\Microsoft\Windows NT\CurrentVersion\Tracing\SCM\Regular\TracingDisabled"