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Disabled Windows Defender Eventlog

Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections

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Florian Roth (Nextron Systems)Created Mon Jul 04Updated Thu Aug 17fcddca7c-b9c0-4ddf-98da-e1e2d18b0157windows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic1 selector
detection:
    selection:
        TargetObject|contains: '\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Windows Defender/Operational\Enabled'
        Details: 'DWORD (0x00000000)'
    condition: selection
False Positives

Other Antivirus software installations could cause Windows to disable that eventlog (unknown)

References
1
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MITRE ATT&CK
Rule Metadata
Rule ID
fcddca7c-b9c0-4ddf-98da-e1e2d18b0157
Status
test
Level
high
Type
Detection
Created
Mon Jul 04
Modified
Thu Aug 17
Author
Florian Roth (Nextron Systems)
Path
rules/windows/registry/registry_set/registry_set_disabled_microsoft_defender_eventlog.yml
Raw Tags
attack.defense-evasionattack.t1562.001
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