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Disable Security Events Logging Adding Reg Key MiniNt

sigma HIGH SigmaHQ
T1685.001T1112
imRegistry
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at SigmaHQ →
Retrieved: 2026-05-24T23:00:00Z · Confidence: medium

Hunt Hypothesis

Detects the addition of a key ‘MiniNt’ to the registry. Upon a reboot, Windows Event Log service will stop writing events.

Detection Rule

Sigma (Original)

title: Disable Security Events Logging Adding Reg Key MiniNt
id: 919f2ef0-be2d-4a7a-b635-eb2b41fde044
status: test
description: Detects the addition of a key 'MiniNt' to the registry. Upon a reboot, Windows Event Log service will stop writing events.
references:
    - https://twitter.com/0gtweet/status/1182516740955226112
    - https://www.hackingarticles.in/defense-evasion-windows-event-logging-t1562-002/
author: Ilyas Ochkov, oscd.community
date: 2019-10-25
modified: 2021-11-27
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1685.001
    - attack.t1112
    - car.2022-03-001
logsource:
    category: registry_event
    product: windows
detection:
    selection:
    # Sysmon gives us HKLM\SYSTEM\CurrentControlSet\.. if ControlSetXX is the selected one
        - TargetObject: 'HKLM\SYSTEM\CurrentControlSet\Control\MiniNt'
          EventType: 'CreateKey'    # we don't want deletekey
    # key rename
        - NewName: 'HKLM\SYSTEM\CurrentControlSet\Control\MiniNt'
    condition: selection
falsepositives:
    - Unknown
level: high

KQL (Azure Sentinel)

imRegistry
| where (RegistryKey =~ "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet001\\Control\\MiniNt" and EventType =~ "RegistryKeyCreated") or RegistryKey =~ "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet001\\Control\\MiniNt"

KQL (Microsoft 365 Defender)

DeviceRegistryEvents
| where (RegistryKey =~ "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet001\\Control\\MiniNt" and ActionType =~ "RegistryKeyCreated") or RegistryKey =~ "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet001\\Control\\MiniNt"

Required Data Sources

Sentinel TableNotes
imRegistryEnsure this data connector is enabled

False Positive Guidance

MITRE ATT&CK Context

References

Original source: https://github.com/SigmaHQ/sigma/blob/master/rules/windows/registry/registry_event/registry_event_disable_security_events_logging_adding_reg_key_minint.yml