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InformationalSplunk security contentNasreddine Bencherchali +1

Windows Impair Defenses Disable Auto Logger Session

The following analytic detects the disabling of an AutoLogger session or one of its providers, by identifying changes to the Registry values "Start" and "Enabled" part of the "\WMI\Autologger\" key path. It leverages…

Description

The following analytic detects the disabling of an AutoLogger session or one of its providers, by identifying changes to the Registry values "Start" and "Enabled" part of the "\WMI\Autologger\" key path. It leverages data from the Endpoint.Registry datamodel to monitor specific registry paths and values. This activity is significant as attackers and adversaries can leverage this in order to evade defense and blind EDRs and log ingest tooling. If confirmed malicious, this action could allow an attacker to conceal their activities, making it harder to detect further malicious actions and maintain persistence on the compromised endpoint.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
sysmon_eventid_13

Known benign triggers

  • It is unusual to turn this feature off a Windows system since it is a default security control, although it is not rare for some policies to disable it. Although no false positives have been identified, use the provided filter macro to tune the search.

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