detection.wiki

Detection rules › Sigma

Security Event Logging Disabled via MiniNt Registry Key - Registry Set

Status
experimental
Severity
high
Log source
product windows, category registry_set
Author
Swachchhanda Shrawan Poudel (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects the addition of the 'MiniNt' key to the registry. Upon a reboot, Windows Event Log service will stop writing events. Windows Event Log is a service that collects and stores event logs from the operating system and applications. It is an important component of Windows security and auditing. Adversary may want to disable this service to disable logging of security events which could be used to detect their activities.

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1112 Modify Registry
Defense ImpairmentT1112 Modify Registry, T1685.001 Disable or Modify Tools: Disable or Modify Windows Event Log

Event coverage

ProviderEventTitle
SysmonEvent ID 13RegistryEvent (Value Set)

Rule body yaml

title: Security Event Logging Disabled via MiniNt Registry Key - Registry Set
id: 8839e550-52d7-4958-9f2f-e13c1e736838
related:
    - id: 1a4bd6af-99ac-4466-b5b2-7b72b4a05462 # Security Event Logging Disabled Via MiniNt Registry Key
      type: similar
status: experimental
description: |
    Detects the addition of the 'MiniNt' key to the registry. Upon a reboot, Windows Event Log service will stop writing events.
    Windows Event Log is a service that collects and stores event logs from the operating system and applications. It is an important component of Windows security and auditing.
    Adversary may want to disable this service to disable logging of security events which could be used to detect their activities.
references:
    - https://www.hackingarticles.in/defense-evasion-windows-event-logging-t1562-002/
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-04-09
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1685.001
    - attack.t1112
    - car.2022-03-001
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject: 'HKLM\System\CurrentControlSet\Control\MiniNt\(Default)'
    condition: selection
falsepositives:
    - Highly Unlikely
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject: 'HKLM\System\CurrentControlSet\Control\MiniNt\(Default)'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetObjecteq
  • HKLM\System\CurrentControlSet\Control\MiniNt\(Default)