Fix Defender features errors in Windows #104
- Refactor to use `Set-MpPreference` in a function instead.
- Better support for both Windows and Windows 11 with platform-specific
logic, due to poor `Remove-MpPreference` used in Windows 10:
* Use `Remove-MpPreference` on Windows 11, but switch to
`Set-MpPreference` for some edge cases using a flag.
* Use `Set-MpPreference` on Windows 10 by default, and use
`Remove-MpPreference` for only small amount of cases where it is
supported.
- Set default value instead of `Remove-MpPreference` on Windows 10 when
it does not work as expected.
- Improve error messages when:
* Command name (cmdlet) is not supported
* Command parameter is not support
* Failing due to Defender service not working
* Argument is not supported (e.g. for 'Broad')
- Skip if a parameter or argument is not supported instead of failing.
- Set OS defaults when using `Set-MpPreference` when `Remove-MpPreference`
does not set the OS defaults.
- Skip setting the setting if it already is as desired.
- Remove redundant scripts in "Disable remediation actions" setting
`LowThreatDefaultAction`, `ModerateThreatDefaultAction`,
`HighThreatDefaultAction` and `SevereThreatDefaultAction`. As they are
all controlled by and limited to value of `UnknownThreatDefaultAction`.
- Fix registry policies not matching cmdlet behavior:
> CheckForSignaturesBeforeRunningScan
> SignatureUpdateCatchupInterval
- Fix reverting registry policies (`reg delete` command and error
output):
> Disable Malicious Software Reporting tool diagnostic data
> Turn off block at first sight
- Fix DisableCatchupQuickScan MpPreference command being in wrong
category by moving it to its right category and adding its correct
equivalent.
This commit is contained in:
undergroundwires
@@ -2618,17 +2618,16 @@ actions:
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- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
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call:
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: False (enabled)
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# Status: Get-MpPreference | Select-Object -Property DisableBlockAtFirstSeen
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code: try { Set-MpPreference -Force -DisableBlockAtFirstSeen $True } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -DisableBlockAtFirstSeen } catch { Write-Warning 'Function not found'; exit 1 }
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property: DisableBlockAtFirstSeen # Status: Get-MpPreference | Select-Object -Property DisableBlockAtFirstSeen
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value: $True # Set: Set-MpPreference -Force -DisableBlockAtFirstSeen $True
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default: $False # Default: False (Enabled) | Remove-MpPreference -Force -DisableBlockAtFirstSeen | Set-MpPreference -Force -DisableBlockAtFirstSeen $False
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-
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function: RunInlineCode
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parameters:
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code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "0" /f 2>nul
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /f 2>nul
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-
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name: Set maximum time possible for extended cloud check timeout # Requires "Block at First Sight", "Join Microsoft MAPS", "Send file samples when further analysis is required"
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docs:
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@@ -2666,12 +2665,11 @@ actions:
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call:
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# 0: Disabled, 1: Basic, 2: Advanced (default)
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: 2 (Advanced)
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# Status: Get-MpPreference | Select-Object -Property MAPSReporting
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code: try { Set-MpPreference -Force -MAPSReporting 0 } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -MAPSReporting } catch { Write-Warning 'Function not found'; exit 1 }
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property: MAPSReporting # Status: Get-MpPreference | Select-Object -Property MAPSReporting
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value: "'0'" # Set: Set-MpPreference -Force -MAPSReporting 0
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default: "'2'" # Default: 2 (Advanced) | Remove-MpPreference -Force -MAPSReporting | Set-MpPreference -Force -MAPSReporting 2
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-
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function: RunInlineCode
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parameters:
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@@ -2689,15 +2687,12 @@ actions:
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call:
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# 0 = 'Always Prompt', 1 = 'Send safe samples automatically' (default), 2 = 'Never send', 3 = 'Send all samples automatically'
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: 1 (Send safe samples automatically)
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# Status: Get-MpPreference | Select-Object -Property SubmitSamplesConsent
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code: try { Set-MpPreference -Force -SubmitSamplesConsent 2 } catch { Write-Warning 'Function not found'; exit 1 }
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# revertCode: try { Set-MpPreference -Force -SubmitSamplesConsent 1 } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -SubmitSamplesConsent } catch { Write-Warning 'Function not found'; exit 1 }
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# ❌ Remove-MpPreference does not work in Windows 10 21H1, and sets it to 0 instead 1 (OS default) in Windows 11
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# ❌ Remove-MpPreference -EnableFileHashComputation fails on Windows 10 with NamedParameterNotFound, successful on Windows 11
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property: SubmitSamplesConsent # Status: Get-MpPreference | Select-Object -Property SubmitSamplesConsent
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value: "'2'" # Set: Set-MpPreference -Force -SubmitSamplesConsent 2
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default: "'1'" # Default: 1 (Send safe samples automatically) | Remove-MpPreference -Force -SubmitSamplesConsent | Set-MpPreference -Force -SubmitSamplesConsent 1
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setDefaultOnWindows11: true # `Remove-MpPreference` sets it to 0 instead 1 (OS default) in Windows 11
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-
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function: RunInlineCode
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parameters:
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@@ -2708,7 +2703,7 @@ actions:
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recommend: strict
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docs: https://admx.help/?Category=Windows10_Telemetry&Policy=Microsoft.Policies.Win10Privacy::DontReportInfection
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code: reg add "HKLM\SOFTWARE\Policies\Microsoft\MRT" /v "DontReportInfectionInformation" /t REG_DWORD /d 1 /f
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revertCode: reg delete "HKLM\SOFTWARE\Policies\Microsoft\MRT" /v "DontReportInfectionInformation" /f
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revertCode: reg delete "HKLM\SOFTWARE\Policies\Microsoft\MRT" /v "DontReportInfectionInformation" /f 2>nul
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-
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name: Disable uploading files for threat analysis in real-time # Requires "Join Microsoft MAPS"
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recommend: strict
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@@ -2716,7 +2711,7 @@ actions:
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code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "RealtimeSignatureDelivery" /t REG_DWORD /d 0 /f
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "RealtimeSignatureDelivery" /f 2>nul
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-
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name: Disable the Potentially Unwanted Application (PUA) feature
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name: Disable the Potentially Unwanted Application (PUA) feature # Already disabled as default
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docs:
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- https://www.stigviewer.com/stig/ms_windows_defender_antivirus/2018-03-29/finding/V-75147
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- https://docs.microsoft.com/en-us/microsoft-365/security/defender-endpoint/detect-block-potentially-unwanted-apps-microsoft-defender-antivirus
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@@ -2727,13 +2722,12 @@ actions:
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- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
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call:
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: 0
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# 0 = 'Disabled' (default), 1 = 'Enabled', 2 = 'AuditMode'
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# Status: Get-MpPreference | Select-Object -Property PUAProtection
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code: try { Set-MpPreference -Force -PUAProtection 0 } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -PUAProtection } catch { Write-Warning 'Function not found'; exit 1 } # Sets to 0
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property: PUAProtection # Status: Get-MpPreference | Select-Object -Property PUAProtection
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value: "'0'" # Set: Set-MpPreference -Force -PUAProtection 0
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default: "'0'" # Default: 0 (Disabled) | Remove-MpPreference -Force -PUAProtection | Set-MpPreference -Force -PUAProtection 0
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-
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function: RunInlineCode
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parameters:
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@@ -2821,13 +2815,13 @@ actions:
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- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablerealtimemonitoring
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call: # Enabled by default (DisableRealtimeMonitoring is false)
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: False
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# Status: Get-MpPreference | Select-Object -Property DisableRealtimeMonitoring
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# ❌ Windows 11: Does not fail but does not set the value | ✅ Windows 10: Works as expected
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code: try { Set-MpPreference -Force -DisableRealtimeMonitoring $True } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -DisableRealtimeMonitoring } catch { Write-Warning 'Function not found'; exit 1 }
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property: DisableRealtimeMonitoring # Status: Get-MpPreference | Select-Object -Property DisableRealtimeMonitoring
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value: $True # Set: Set-MpPreference -Force -DisableRealtimeMonitoring $True
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# ❌ Windows 11: Does not fail but does not set $True value | ✅ Windows 10: Works as expected
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default: $False # Default: False (Enabled) | Remove-MpPreference -Force -DisableRealtimeMonitoring | Set-MpPreference -Force -DisableRealtimeMonitoring $False
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-
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function: RunInlineCode
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parameters:
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@@ -2842,13 +2836,13 @@ actions:
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- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disableintrusionpreventionsystem
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call:
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: empty (no value)
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# Status: Get-MpPreference | Select-Object -Property DisableIntrusionPreventionSystem
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# ❌ Windows 11 and Windows 10: Does not fail but does not set the value
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code: try { Set-MpPreference -Force -DisableIntrusionPreventionSystem $True } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -DisableIntrusionPreventionSystem } catch { Write-Warning 'Function not found'; exit 1 }
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property: DisableIntrusionPreventionSystem # Status: Get-MpPreference | Select-Object -Property DisableIntrusionPreventionSystem
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value: $True # Set: Set-MpPreference -Force -DisableIntrusionPreventionSystem $True
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# ❌ Windows 11 and Windows 10: Does not fail but does not change the value
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default: $False # Default: empty (no value) | Remove-MpPreference -Force -DisableIntrusionPreventionSystem | Set-MpPreference -Force -DisableIntrusionPreventionSystem $False
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# ❗️ Default is empty (no value), but cannot set this way using Set-MpPreference, so $False is set
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-
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function: RunInlineCode
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parameters:
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@@ -2871,13 +2865,12 @@ actions:
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- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablebehaviormonitoring
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call:
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: False
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# Status: Get-MpPreference | Select-Object -Property DisableBehaviorMonitoring
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# ❌ Windows 11: Does not fail but does not set the value | ✅ Windows 10: Works as expected
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code: try { Set-MpPreference -Force -DisableBehaviorMonitoring $True } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -DisableBehaviorMonitoring } catch { Write-Warning 'Function not found'; exit 1 }
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property: DisableBehaviorMonitoring # Status: Get-MpPreference | Select-Object -Property DisableBehaviorMonitoring
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value: $True # Set: Set-MpPreference -Force -DisableBehaviorMonitoring $True
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# ❌ Windows 11: Does not fail but does not set $True value | ✅ Windows 10: Works as expected
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default: $False # Default: False | Remove-MpPreference -Force -DisableBehaviorMonitoring | Set-MpPreference -Force -DisableBehaviorMonitoring $False
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-
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function: RunInlineCode
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parameters:
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@@ -2900,13 +2893,12 @@ actions:
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- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disableioavprotection
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call:
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: False
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# Status: Get-MpPreference | Select-Object -Property DisableIOAVProtection
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# ❌ Windows 11: Does not fail but does not set the value | ✅ Windows 10: Works as expected
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code: try { Set-MpPreference -Force -DisableIOAVProtection $True } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -DisableIOAVProtection } catch { Write-Warning 'Function not found'; exit 1 }
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property: DisableIOAVProtection # Status: Get-MpPreference | Select-Object -Property DisableIOAVProtection
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value: $True # Set: Set-MpPreference -Force -DisableIOAVProtection $True
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# ❌ Windows 11: Does not fail but does not change the value | ✅ Windows 10: Works as expected
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default: $False # Default: False | Remove-MpPreference -Force -DisableIOAVProtection | Set-MpPreference -Force -DisableIOAVProtection $False
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-
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function: RunInlineCode
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parameters:
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@@ -2929,7 +2921,7 @@ actions:
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /f 2>nul
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-
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name: Disable bidirectional scanning of incoming and outgoing file and program activity
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docs:
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docs:
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- https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::RealtimeProtection_RealtimeScanDirection
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# Managing with MpPreference module:
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- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
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@@ -2939,17 +2931,16 @@ actions:
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# 1='Incoming': scan only incoming (disable on-open)
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# 2='Outcoming': scan only outgoing (disable on-close)
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: 0 (Both)
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# Status: Get-MpPreference | Select-Object -Property RealTimeScanDirection
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code: try { Set-MpPreference -Force -RealTimeScanDirection 1 } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -RealTimeScanDirection } catch { Write-Warning 'Function not found'; exit 1 }
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property: RealTimeScanDirection # Status: Get-MpPreference | Select-Object -Property RealTimeScanDirection
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value: "'1'" # Set: Set-MpPreference -Force -RealTimeScanDirection 1
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default: "'0'" # Default: 0 (Both) | Remove-MpPreference -Force -RealTimeScanDirection | Set-MpPreference -Force -RealTimeScanDirection 0
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-
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function: RunInlineCode
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parameters:
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code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "RealtimeScanDirection" /t REG_DWORD /d "1" /f
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "RealtimeScanDirection" /f 2>nul
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code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "RealTimeScanDirection" /t REG_DWORD /d "1" /f
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "RealTimeScanDirection" /f 2>nul
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-
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name: Disable process scanning on real-time protection
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docs:
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@@ -2982,12 +2973,11 @@ actions:
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code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Remediation" /v "Scan_ScheduleDay" /t REG_DWORD /d "8" /f
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revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Remediation" /v "Scan_ScheduleDay" /f 2>nul
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-
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function: RunPowerShell
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function: SetMpPreference
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parameters:
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# Default: 0
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# Status: Get-MpPreference | Select-Object -Property RemediationScheduleDay
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code: try { Set-MpPreference -Force -RemediationScheduleDay 8 } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: try { Remove-MpPreference -Force -RemediationScheduleDay } catch { Write-Warning 'Function not found'; exit 1 }
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property: RemediationScheduleDay # Status: Get-MpPreference | Select-Object -Property RemediationScheduleDay
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value: "'8'" # Set: Set-MpPreference -Force -RemediationScheduleDay 8
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default: "'0'" # Default: 0 | Remove-MpPreference -Force -RemediationScheduleDay | Set-MpPreference -Force -RemediationScheduleDay 0
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-
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name: Disable remediation actions
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docs:
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@@ -2998,45 +2988,18 @@ actions:
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# None = 0 (default), Clean = 1, Quarantine = 2, Remove = 3, Allow = 6, UserDefined = 8, NoAction = 9, Block = 10
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call: # Not using ThreatIdDefaultAction as it requires known threat IDs
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-
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function: RunPowerShell
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function: SetMpPreference
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#unknownthreatdefaultaction
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parameters:
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# Default: None (0)
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# Status: Get-MpPreference | Select-Object -Property UnknownThreatDefaultAction
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#unknownthreatdefaultaction
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code: try { Set-MpPreference -Force -UnknownThreatDefaultAction 'NoAction' } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: Remove-MpPreference -Force -UnknownThreatDefaultAction
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-
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function: RunPowerShell
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parameters:
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# Default: None (0)
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# Status: Get-MpPreference | Select-Object -Property LowThreatDefaultAction
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#lowthreatdefaultaction
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code: try { Set-MpPreference -Force -LowThreatDefaultAction 'NoAction' } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: Remove-MpPreference -Force -LowThreatDefaultAction
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-
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function: RunPowerShell
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parameters:
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# Default: None (0)
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# Status: Get-MpPreference | Select-Object -Property ModerateThreatDefaultAction
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#moderatethreatdefaultaction
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code: try { Set-MpPreference -Force -ModerateThreatDefaultAction 'NoAction' } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: Remove-MpPreference -Force -ModerateThreatDefaultAction
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-
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function: RunPowerShell
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parameters:
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# Default: None (0)
|
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# Status: Get-MpPreference | Select-Object -Property HighThreatDefaultAction
|
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#highthreatdefaultaction
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code: try { Set-MpPreference -Force -HighThreatDefaultAction 'NoAction' } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: Remove-MpPreference -Force -HighThreatDefaultAction
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-
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function: RunPowerShell
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parameters:
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# Default: None (0)
|
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# Status: Get-MpPreference | Select-Object -Property SevereThreatDefaultAction
|
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# https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#severethreatdefaultaction
|
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code: try { Set-MpPreference -Force -SevereThreatDefaultAction 'NoAction' } catch { Write-Warning 'Function not found'; exit 1 }
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revertCode: Remove-MpPreference -Force -SevereThreatDefaultAction
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property: UnknownThreatDefaultAction # Status: Get-MpPreference | Select-Object -Property UnknownThreatDefaultAction
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# Setting or removing `UnknownThreatDefaultAction` has same affect for (sets also same value):
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# `LowThreatDefaultAction`, `ModerateThreatDefaultAction`, `HighThreatDefaultAction`, `SevereThreatDefaultAction`.
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# E.g. if it's set to 8, all others will also be set to 8, and once it's removed, all others get also removed.
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# Those properties cannot have different values than `UnknownThreatDefaultAction`, so we only set `UnknownThreatDefaultAction`
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value: "'9'" # Set: Set-MpPreference -Force -UnknownThreatDefaultAction 9
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# Default: 0 (none)
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# Setting default is not needed because `Remove-MpPreference -Force -UnknownThreatDefaultAction`
|
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# works on both Windows 10 and Windows 11
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-
|
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function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3068,12 +3031,12 @@ actions:
|
||||
# Minimum: 1
|
||||
# 0 means indefinitely
|
||||
-
|
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function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 90
|
||||
# Status: Get-MpPreference | Select-Object -Property QuarantinePurgeItemsAfterDelay
|
||||
code: try { Set-MpPreference -Force -QuarantinePurgeItemsAfterDelay "1" } catch { Write-Warning 'Function not found'; exit 1 }
|
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revertCode: try { Remove-MpPreference -Force -QuarantinePurgeItemsAfterDelay } catch { Write-Warning 'Function not found'; exit 1 } # TODO: SETS TO 0 BUT IS 90 SEEMS TO BE DEFAULT?
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property: QuarantinePurgeItemsAfterDelay # Status: Get-MpPreference | Select-Object -Property QuarantinePurgeItemsAfterDelay
|
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value: "'1'" # Set: Set-MpPreference -Force -QuarantinePurgeItemsAfterDelay 1
|
||||
default: "'90'" # Default: 90 | Remove-MpPreference -Force -QuarantinePurgeItemsAfterDelay | Set-MpPreference -Force -QuarantinePurgeItemsAfterDelay 90
|
||||
setDefaultOnWindows11: true # `Remove-MpPreference` sets it to 0 instead 90 (OS default) in Windows 11
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3161,12 +3124,12 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disableautoexclusions
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableAutoExclusions
|
||||
code: try { Set-MpPreference -Force -DisableAutoExclusions $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableAutoExclusions } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableAutoExclusions # Status: Get-MpPreference | Select-Object -Property DisableAutoExclusions
|
||||
value: $True # Set: Set-MpPreference -Force -DisableAutoExclusions $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisableAutoExclusions | Set-MpPreference -Force -DisableAutoExclusions $False
|
||||
setDefaultOnWindows11: true # `Remove-MpPreference` has no affect (does not change the value) in Windows 11
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3187,16 +3150,15 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#checkforsignaturesbeforerunningscan
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property CheckForSignaturesBeforeRunningScan
|
||||
code: try { Set-MpPreference -Force -CheckForSignaturesBeforeRunningScan $False } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -CheckForSignaturesBeforeRunningScan } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: CheckForSignaturesBeforeRunningScan # Status: Get-MpPreference | Select-Object -Property CheckForSignaturesBeforeRunningScan
|
||||
value: $False # Set: Set-MpPreference -Force -CheckForSignaturesBeforeRunningScan $False
|
||||
default: $False # Default: False | Remove-MpPreference -Force -CheckForSignaturesBeforeRunningScan | Set-MpPreference -Force -CheckForSignaturesBeforeRunningScan $False
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters: # Default: Does not exist
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "CheckForSignaturesBeforeRunningScan" /t REG_DWORD /d "1" /f
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "CheckForSignaturesBeforeRunningScan" /t REG_DWORD /d "0" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "CheckForSignaturesBeforeRunningScan" /f 2>nul
|
||||
-
|
||||
name: Disable creating system restore point on a daily basis # Default behavior
|
||||
@@ -3207,13 +3169,11 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablerestorepoint
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableRestorePoint
|
||||
code: try { Set-MpPreference -Force -DisableRestorePoint $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableRestorePoint } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Remove-MpPreference -DisableRestorePoint fails on Windows 10 with NamedParameterNotFound, successful on Windows 11
|
||||
property: DisableRestorePoint # Status: Get-MpPreference | Select-Object -Property DisableRestorePoint
|
||||
value: $True # Set: Set-MpPreference -Force -DisableRestorePoint $True
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableRestorePoint | Set-MpPreference -Force -DisableRestorePoint $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3228,12 +3188,11 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#scanpurgeitemsafterdelay
|
||||
call: # Default is 15, minimum is 0 which means never removing items
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 15
|
||||
# Status: Get-MpPreference | Select-Object -Property ScanPurgeItemsAfterDelay
|
||||
code: try { Set-MpPreference -Force -ScanPurgeItemsAfterDelay 1 } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -ScanPurgeItemsAfterDelay } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: ScanPurgeItemsAfterDelay # Status: Get-MpPreference | Select-Object -Property ScanPurgeItemsAfterDelay
|
||||
value: "'1'" # Set: Set-MpPreference -Force -ScanPurgeItemsAfterDelay 1
|
||||
default: "'15'" # Default: 15 | Remove-MpPreference -Force -ScanPurgeItemsAfterDelay | Set-MpPreference -Force -ScanPurgeItemsAfterDelay 15
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3254,15 +3213,14 @@ actions:
|
||||
- https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_DisableCatchupFullScan
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablecatchupquickscan
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablecatchupfullscan
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableCatchupQuickScan
|
||||
code: try { Set-MpPreference -Force -DisableCatchupQuickScan $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableCatchupQuickScan } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableCatchupFullScan # Status: Get-MpPreference | Select-Object -Property DisableCatchupFullScan
|
||||
value: $True # Set: Set-MpPreference -Force -DisableCatchupFullScan $True
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableCatchupFullScan | Set-MpPreference -Force -DisableCatchupFullScan $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3270,9 +3228,23 @@ actions:
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCatchupFullScan" /f 2>nul
|
||||
-
|
||||
name: Disable catch-up quick scans
|
||||
docs: https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_DisableCatchupQuickScan
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCatchupQuickScan" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCatchupQuickScan" /f 2>nul
|
||||
docs:
|
||||
- https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_DisableCatchupQuickScan
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablecatchupquickscan
|
||||
call:
|
||||
-
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
property: DisableCatchupQuickScan # Status: Get-MpPreference | Select-Object -Property DisableCatchupQuickScan
|
||||
value: $True # Set: Set-MpPreference -Force -DisableCatchupQuickScan $True
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableCatchupQuickScan | Set-MpPreference -Force -DisableCatchupQuickScan $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCatchupQuickScan" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCatchupQuickScan" /f 2>nul
|
||||
-
|
||||
category: Turn off scan options
|
||||
children:
|
||||
@@ -3294,12 +3266,11 @@ actions:
|
||||
call:
|
||||
# Default: 50, minimum 1
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 50
|
||||
# Status: Get-MpPreference | Select-Object -Property ScanAvgCPULoadFactor
|
||||
code: try { Set-MpPreference -Force -ScanAvgCPULoadFactor 1 } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -ScanAvgCPULoadFactor } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: ScanAvgCPULoadFactor # Status: Get-MpPreference | Select-Object -Property ScanAvgCPULoadFactor
|
||||
value: "'1'" # Set: Set-MpPreference -Force -ScanAvgCPULoadFactor 1
|
||||
default: "'50'" # Default 50 | Remove-MpPreference -Force -ScanAvgCPULoadFactor | Set-MpPreference -Force -ScanAvgCPULoadFactor 50
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3312,18 +3283,16 @@ actions:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableCpuThrottleOnIdleScans
|
||||
# Default: True
|
||||
code: try { Set-MpPreference -Force -DisableCpuThrottleOnIdleScans $False } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableCpuThrottleOnIdleScans } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableCpuThrottleOnIdleScans # Status: Get-MpPreference | Select-Object -Property DisableCpuThrottleOnIdleScans
|
||||
value: $False # Set: Set-MpPreference -Force -DisableCpuThrottleOnIdleScans $False
|
||||
default: $True # Default: $True | Remove-MpPreference -Force -DisableCpuThrottleOnIdleScans | Set-MpPreference -Force -DisableCpuThrottleOnIdleScans $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCpuThrottleOnIdleScans" /t REG_DWORD /d "0" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableCpuThrottleOnIdleScans" /f 2>nul
|
||||
|
||||
-
|
||||
name: Disable scanning when not idle # Default OS setting
|
||||
docs:
|
||||
@@ -3333,12 +3302,11 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#scanonlyifidleenabled
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property ScanOnlyIfIdleEnabled
|
||||
code: try { Set-MpPreference -Force -ScanOnlyIfIdleEnabled $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -ScanOnlyIfIdleEnabled } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: ScanOnlyIfIdleEnabled # Status: Get-MpPreference | Select-Object -Property ScanOnlyIfIdleEnabled
|
||||
value: $True # Set: Set-MpPreference -Force -ScanOnlyIfIdleEnabled $True
|
||||
default: $True # Default: True | Remove-MpPreference -Force -ScanOnlyIfIdleEnabled | Set-MpPreference -Force -ScanOnlyIfIdleEnabled $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3360,12 +3328,11 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disableemailscanning
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableEmailScanning
|
||||
code: try { Set-MpPreference -Force -DisableEmailScanning $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableEmailScanning } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableEmailScanning # Status: Get-MpPreference | Select-Object -Property DisableEmailScanning
|
||||
value: $True # Set: Set-MpPreference -Force -DisableEmailScanning $False
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableEmailScanning | Set-MpPreference -Force -DisableEmailScanning $True
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
@@ -3378,13 +3345,12 @@ actions:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disablescriptscanning
|
||||
call:
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableScriptScanning
|
||||
# ❌ Windows 11: Does not fail but does not set the value | ✅ Windows 10: Works as expected
|
||||
code: try { Set-MpPreference -Force -DisableScriptScanning $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableScriptScanning } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableScriptScanning # Status: Get-MpPreference | Select-Object -Property DisableScriptScanning
|
||||
value: $True # Set: Set-MpPreference -Force -DisableScriptScanning $True
|
||||
# ❌ Windows 11: Does not fail but does not set $True value | ✅ Windows 10: Works as expected
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisableScriptScanning | Set-MpPreference -Force -DisableScriptScanning $False
|
||||
-
|
||||
name: Disable reparse point scanning
|
||||
docs: https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_DisableReparsePointScanning
|
||||
@@ -3404,13 +3370,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableScanningMappedNetworkDrivesForFullScan" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableScanningMappedNetworkDrivesForFullScan" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableScanningMappedNetworkDrivesForFullScan
|
||||
code: try { Set-MpPreference -Force -DisableScanningMappedNetworkDrivesForFullScan $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableScanningMappedNetworkDrivesForFullScan } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Remove-MpPreference -DisableScanningMappedNetworkDrivesForFullScan fails on Windows 10 with NamedParameterNotFound, successful on Windows 11
|
||||
property: DisableScanningMappedNetworkDrivesForFullScan # Status: Get-MpPreference | Select-Object -Property DisableScanningMappedNetworkDrivesForFullScan
|
||||
value: $True # Set: Set-MpPreference -Force -DisableScanningMappedNetworkDrivesForFullScan $False
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableScanningMappedNetworkDrivesForFullScan | Set-MpPreference -Force -DisableScanningMappedNetworkDrivesForFullScan $True
|
||||
-
|
||||
name: Disable scanning network files
|
||||
docs:
|
||||
@@ -3425,12 +3389,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableScanningNetworkFiles" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableScanningNetworkFiles" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableScanningNetworkFiles
|
||||
code: try { Set-MpPreference -Force -DisableScanningNetworkFiles $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableScanningNetworkFiles } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableScanningNetworkFiles # Status: Get-MpPreference | Select-Object -Property DisableScanningNetworkFiles
|
||||
value: $True # Set: Set-MpPreference -Force -DisableScanningNetworkFiles $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisableScanningNetworkFiles | Set-MpPreference -Force -DisableScanningNetworkFiles $False
|
||||
-
|
||||
name: Disable scanning packed executables
|
||||
docs: https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_DisablePackedExeScanning
|
||||
@@ -3453,12 +3416,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableArchiveScanning" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableArchiveScanning" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableArchiveScanning
|
||||
code: try { Set-MpPreference -Force -DisableArchiveScanning $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableArchiveScanning } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableArchiveScanning # Status: Get-MpPreference | Select-Object -Property DisableArchiveScanning
|
||||
value: $True # Set: Set-MpPreference -Force -DisableArchiveScanning $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisableArchiveScanning | Set-MpPreference -Force -DisableArchiveScanning $False
|
||||
-
|
||||
name: Limit depth for scanning archive files to minimum
|
||||
docs: https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_ArchiveMaxDepth
|
||||
@@ -3484,12 +3446,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableRemovableDriveScanning" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "DisableRemovableDriveScanning" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: True
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableRemovableDriveScanning
|
||||
code: try { Set-MpPreference -Force -DisableRemovableDriveScanning $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableRemovableDriveScanning } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisableRemovableDriveScanning # Status: Get-MpPreference | Select-Object -Property DisableRemovableDriveScanning
|
||||
value: $True # Set: Set-MpPreference -Force -DisableRemovableDriveScanning $False
|
||||
default: $True # Default: True | Remove-MpPreference -Force -DisableRemovableDriveScanning | Set-MpPreference -Force -DisableRemovableDriveScanning $True
|
||||
-
|
||||
category: Disable auto-scans
|
||||
children:
|
||||
@@ -3511,12 +3472,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "ScheduleDay" /t REG_DWORD /d "8" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "ScheduleDay" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 0 (Every Day)
|
||||
# Status: Get-MpPreference | Select-Object -Property ScanScheduleDay
|
||||
code: try { Set-MpPreference -Force -ScanScheduleDay 8 } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -ScanScheduleDay } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: ScanScheduleDay # Status: Get-MpPreference | Select-Object -Property ScanScheduleDay
|
||||
value: "'8'" # Set: Set-MpPreference -Force -ScanScheduleDay '8'
|
||||
default: "'0'" # Default: 0 (Every Day) | Remove-MpPreference -Force -ScanScheduleDay | Set-MpPreference -Force -ScanScheduleDay '0'
|
||||
-
|
||||
name: Disable randomizing scheduled task times
|
||||
docs:
|
||||
@@ -3531,12 +3491,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "RandomizeScheduleTaskTimes" /t REG_DWORD /d "0" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /v "RandomizeScheduleTaskTimes" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default is True
|
||||
# Status: Get-MpPreference | Select-Object -Property RandomizeScheduleTaskTimes
|
||||
code: try { Set-MpPreference -Force -RandomizeScheduleTaskTimes $False } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -RandomizeScheduleTaskTimes } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: RandomizeScheduleTaskTimes # Status: Get-MpPreference | Select-Object -Property RandomizeScheduleTaskTimes
|
||||
value: $False # Set: Set-MpPreference -Force -RandomizeScheduleTaskTimes $False
|
||||
default: $True # Default: True | Remove-MpPreference -Force -RandomizeScheduleTaskTimes | Set-MpPreference -Force -RandomizeScheduleTaskTimes $True
|
||||
-
|
||||
name: Disable scheduled full-scans
|
||||
docs:
|
||||
@@ -3553,14 +3512,12 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "ScanParameters" /t REG_DWORD /d "1" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Scan" /v "ScanParameters" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 1
|
||||
# Status: Get-MpPreference | Select-Object -Property ScanParameters
|
||||
code: try { Set-MpPreference -Force -ScanParameters 1 } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# revertCode: try { Remove-MpPreference -Force -ScanParameters } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Remove-MpPreference with -ScanParameters fails due to a buggy behavior where it tries to set it to True on Windows 10 and 11
|
||||
# Commenting out revert code as this script is setting the default behavior anyway.
|
||||
property: ScanParameters # Status: Get-MpPreference | Select-Object -Property ScanParameters
|
||||
value: "'1'" # Set: Set-MpPreference -Force -ScanParameters '1'
|
||||
default: "'1'" # Default: 1 | Remove-MpPreference -Force -ScanParameters | Set-MpPreference -Force -ScanParameters '1'
|
||||
setDefaultOnWindows11: true # ❌ Remove-MpPreference with -ScanParameters fails due to a buggy behavior where it tries to set it to True on Windows 11
|
||||
-
|
||||
name: Limit how many times quick scans run per day
|
||||
docs: https://admx.help/?Category=Windows_10_2016&Policy=Microsoft.Policies.WindowsDefender::Scan_QuickScanInterval
|
||||
@@ -3604,15 +3561,14 @@ actions:
|
||||
-
|
||||
function: RunInlineCode
|
||||
parameters:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "SignatureUpdateCatchupInterval" /t REG_DWORD /d 4294967295 /f
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "SignatureUpdateCatchupInterval" /t REG_DWORD /d "0" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "SignatureUpdateCatchupInterval" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 1
|
||||
# Status: Get-MpPreference | Select-Object -Property SignatureUpdateCatchupInterval
|
||||
code: try { Set-MpPreference -Force -SignatureUpdateCatchupInterval 0 } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -SignatureUpdateCatchupInterval } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: SignatureUpdateCatchupInterval # Status: Get-MpPreference | Select-Object -Property SignatureUpdateCatchupInterval
|
||||
value: "'0'" # Set: Set-MpPreference -Force -SignatureUpdateCatchupInterval '0'
|
||||
default: "'1'" # Default: 1 | Remove-MpPreference -Force -SignatureUpdateCatchupInterval | Set-MpPreference -Force -SignatureUpdateCatchupInterval '1'
|
||||
-
|
||||
name: Limit spyware security intelligence (signature) updates # default is one day, recommended is 7 days
|
||||
# Maximize period when spyware security intelligence (signature) is considered up-to-dates
|
||||
@@ -3643,12 +3599,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "DisableUpdateOnStartupWithoutEngine" /t REG_DWORD /d 1 /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "DisableUpdateOnStartupWithoutEngine" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property SignatureDisableUpdateOnStartupWithoutEngine
|
||||
code: try { Set-MpPreference -Force -SignatureDisableUpdateOnStartupWithoutEngine $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -SignatureDisableUpdateOnStartupWithoutEngine } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: SignatureDisableUpdateOnStartupWithoutEngine # Status: Get-MpPreference | Select-Object -Property SignatureDisableUpdateOnStartupWithoutEngine
|
||||
value: $True # Set: Set-MpPreference -Force -SignatureDisableUpdateOnStartupWithoutEngine $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -SignatureDisableUpdateOnStartupWithoutEngine | Set-MpPreference -Force -SignatureDisableUpdateOnStartupWithoutEngine $False
|
||||
-
|
||||
name: Disable automatically checking security intelligence (signature) updates # Already disabled by default
|
||||
docs:
|
||||
@@ -3666,12 +3621,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "ScheduleDay" /t REG_DWORD /d "8" /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "ScheduleDay" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 8
|
||||
# Status: Get-MpPreference | Select-Object -Property SignatureScheduleDay
|
||||
code: try { Set-MpPreference -Force -SignatureScheduleDay "8" } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -SignatureScheduleDay } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: SignatureScheduleDay # Status: Get-MpPreference | Select-Object -Property SignatureScheduleDay
|
||||
value: "'8'" # Set: Set-MpPreference -Force -SignatureScheduleDay '8'
|
||||
default: "'8'" # Default: 1 | Remove-MpPreference -Force -SignatureScheduleDay | Set-MpPreference -Force -SignatureScheduleDay '8'
|
||||
-
|
||||
name: Limit update checks for security intelligence (signature) updates
|
||||
docs:
|
||||
@@ -3689,12 +3643,11 @@ actions:
|
||||
code: reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "SignatureUpdateInterval" /t REG_DWORD /d 24 /f
|
||||
revertCode: reg delete "HKLM\Software\Policies\Microsoft\Windows Defender\Signature Updates" /v "SignatureUpdateInterval" /f 2>nul
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 0
|
||||
# Status: Get-MpPreference | Select-Object -Property SignatureUpdateInterval
|
||||
code: try { Set-MpPreference -Force -SignatureUpdateInterval "24" } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -SignatureUpdateInterval } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: SignatureUpdateInterval # Status: Get-MpPreference | Select-Object -Property SignatureUpdateInterval
|
||||
value: "'24'" # Set: Set-MpPreference -Force -SignatureUpdateInterval '24'
|
||||
default: "'0'" # Default: 0 | Remove-MpPreference -Force -SignatureUpdateInterval | Set-MpPreference -Force -SignatureUpdateInterval '0'
|
||||
-
|
||||
category: Disable alternate definition updates
|
||||
children:
|
||||
@@ -3714,60 +3667,58 @@ actions:
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
call:
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisableGradualRelease
|
||||
code: try { Set-MpPreference -Force -DisableGradualRelease $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisableGradualRelease } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Not generally supported on Windows (before 4.18.2106.5 Defender platform)
|
||||
property: DisableGradualRelease # Status: Get-MpPreference | Select-Object -Property DisableGradualRelease
|
||||
value: $True # Set: Set-MpPreference -Force -DisableGradualRelease $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisableGradualRelease
|
||||
|
||||
-
|
||||
name: Limit Defender engine updates to those that complete gradual release cycle
|
||||
docs:
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
call:
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 0 (NotConfigured)
|
||||
# Status: Get-MpPreference | Select-Object -Property EngineUpdatesChannel
|
||||
# Valid values:
|
||||
# 0 = 'NotConfigured' (default), 'Beta', 'Broad', 'Preview', 'Staged'
|
||||
# ❌ Some options are not supported on Windows 11: 'Broad', 'Staged'
|
||||
code: try { Set-MpPreference -Force -EngineUpdatesChannel 'Broad' } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -EngineUpdatesChannel } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Not generally supported on Windows (before 4.18.2106.5 Defender platform)
|
||||
property: EngineUpdatesChannel # Status: Get-MpPreference | Select-Object -Property EngineUpdatesChannel
|
||||
value: "'Broad'" # Set: Set-MpPreference -Force -EngineUpdatesChannel 'Broad'
|
||||
# Valid values:
|
||||
# 0 = 'NotConfigured' (default), 'Beta', 'Broad', 'Preview', 'Staged'
|
||||
# ❌ Windows 11 21H2 supports only 'NotConfigured', 'Beta', 'Preview' but not 'Broad', 'Staged'
|
||||
default: "'NotConfigured'" # Default: 0 (NotConfigured) | Remove-MpPreference -Force -EngineUpdatesChannel | Set-MpPreference -Force -EngineUpdatesChannel "'NotConfigured'"
|
||||
-
|
||||
name: Limit Defender platform updates to those that complete gradual release cycle
|
||||
docs:
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
call:
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 0 (NotConfigured)
|
||||
# Status: Get-MpPreference | Select-Object -Property PlatformUpdatesChannel
|
||||
# Valid values:
|
||||
# 0 = 'NotConfigured' (default), 'Beta', 'Broad', 'Preview', 'Staged'
|
||||
# ❌ Some options are not supported on Windows 11: 'Broad', 'Staged'
|
||||
code: try { Set-MpPreference -Force -PlatformUpdatesChannel 'Broad' } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -PlatformUpdatesChannel } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
# ❌ Not generally supported on Windows (before 4.18.2106.5 Defender platform)
|
||||
property: PlatformUpdatesChannel # Status: Get-MpPreference | Select-Object -Property PlatformUpdatesChannel
|
||||
value: "'Broad'" # Set: Set-MpPreference -Force -PlatformUpdatesChannel 'Broad'
|
||||
# Valid values:
|
||||
# 0 = 'NotConfigured' (default), 'Beta', 'Broad', 'Preview', 'Staged'
|
||||
# ❌ Windows 11 21H2 supports only 'NotConfigured', 'Beta', 'Preview' but not 'Broad', 'Staged'
|
||||
default: "'NotConfigured'" # Default: 0 (NotConfigured) | Remove-MpPreference -Force -PlatformUpdatesChannel | Set-MpPreference -Force -PlatformUpdatesChannel "'NotConfigured'"
|
||||
-
|
||||
name: Limit Defender definition updates to those that complete gradual release cycle
|
||||
docs:
|
||||
# Managing with MpPreference module:
|
||||
- https://docs.microsoft.com/en-us/powershell/module/defender/set-mppreference
|
||||
call:
|
||||
function: RunPowerShell
|
||||
# ❌ Not generally supported on Windows (before 4.18.2106.5 Defender platform)
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: 0 (NotConfigured)
|
||||
# Status: Get-MpPreference | Select-Object -Property DefinitionUpdatesChannel
|
||||
# Valid values: 'NotConfigured', 'Beta', 'Preview'
|
||||
# Parameter "DefinitionUpdatesChannel"
|
||||
# ❌ Not generally supported (Windows 10 21H1, Windows 11 21H2)
|
||||
# Its former name was SignaturesUpdatesChannel
|
||||
# Supported since Windows 11 21H2 with parameters "NotConfigured", "Beta", "Preview"
|
||||
# Not supported on Windows 10 21H1
|
||||
code: try { Set-MpPreference -Force -DefinitionUpdatesChannel 'Broad' } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DefinitionUpdatesChannel } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DefinitionUpdatesChannel # Status: Get-MpPreference | Select-Object -Property DefinitionUpdatesChannel
|
||||
# Its former name was "SignaturesUpdatesChannel"
|
||||
value: "'Broad'" # Set: Set-MpPreference -Force -DefinitionUpdatesChannel 'Broad'
|
||||
# 0 = 'NotConfigured' (default), 'Beta', Preview' 'Broad', 'Staged'
|
||||
# ❌ Windows 11 21H2 supports only 'NotConfigured', 'Beta', 'Preview' but not 'Broad', 'Staged'
|
||||
default: "'NotConfigured'" # Default: 0 (NotConfigured) | Remove-MpPreference -Force -DefinitionUpdatesChannel | Set-MpPreference -Force -DefinitionUpdatesChannel "'NotConfigured'"
|
||||
-
|
||||
category: Disable Windows Defender reporting
|
||||
children:
|
||||
@@ -3858,12 +3809,11 @@ actions:
|
||||
- https://powershell.one/wmi/root/microsoft/windows/defender/msft_mppreference#disableprivacymode
|
||||
call:
|
||||
-
|
||||
function: RunPowerShell
|
||||
function: SetMpPreference
|
||||
parameters:
|
||||
# Default: False
|
||||
# Status: Get-MpPreference | Select-Object -Property DisablePrivacyMode
|
||||
code: try { Set-MpPreference -Force -DisablePrivacyMode $True } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
revertCode: try { Remove-MpPreference -Force -DisablePrivacyMode } catch { Write-Warning 'Function not found'; exit 1 }
|
||||
property: DisablePrivacyMode # Status: Get-MpPreference | Select-Object -Property DisablePrivacyMode
|
||||
value: $True # Set: Set-MpPreference -Force -DisablePrivacyMode $True
|
||||
default: $False # Default: False | Remove-MpPreference -Force -DisablePrivacyMode | Set-MpPreference -Force -DisablePrivacyMode $False
|
||||
-
|
||||
function: RunInlineCodeAsTrustedInstaller # Otherwise we get "ERROR: Access is denied." (>= 20H2)
|
||||
parameters:
|
||||
@@ -6468,3 +6418,130 @@ functions:
|
||||
} else {
|
||||
Write-Error "Registry key at `"$regKey`" does not exist"
|
||||
}
|
||||
-
|
||||
name: SetMpPreference
|
||||
# Configures preferences for Windows Defender scans and updates.
|
||||
parameters:
|
||||
- name: property
|
||||
- name: value
|
||||
-
|
||||
# When provided, it sets defaults using `Set-MpPreference`.
|
||||
# Used by default in Windows 10 as `Remove-MpPreference` cmdlet is very limited/poor in Windows 10.
|
||||
# Ignored by default in Windows 11 with providing a value for `setDefaultOnWindows11`
|
||||
name: default
|
||||
optional: true
|
||||
-
|
||||
# When reverting in Windows 11, `Set-MpPreference` is called instead of `Remove-MpPreference`
|
||||
# Should be used in cases where `Remove-MpPreference` cmdlet is not setting expected values in Windows 11.
|
||||
name: setDefaultOnWindows11
|
||||
optional: true
|
||||
call:
|
||||
function: RunPowerShell
|
||||
parameters:
|
||||
# Unsupported arguments ->
|
||||
# Skips when error contains "Cannot convert", this happens e.g. when trying to set `PlatformUpdatesChannel`,
|
||||
# `EngineUpdatesChannel`, `DefinitionUpdatesChannel` to `Broad`. `Broad` is not supported on all platforms
|
||||
# and throws e.g. with:
|
||||
# `Cannot process argument transformation on parameter 'EngineUpdatesChannel'. Cannot convert value
|
||||
# "Broad" to type "Microsoft.PowerShell.Cmdletization.GeneratedTypes.MpPreference.UpdatesChannelType".
|
||||
# Error: "Unable to match the identifier name Broad to a valid enumerator name. Specify one of the
|
||||
# following enumerator names and try again: NotConfigured, Beta, Preview"`
|
||||
code: |-
|
||||
$propertyName = '{{ $property }}'
|
||||
$value = {{ $value }}
|
||||
if((Get-MpPreference -ErrorAction Ignore).$propertyName -eq $value) {
|
||||
Write-Host "Skipping. `"$propertyName`" is already `"$value`" as desired."
|
||||
exit 0
|
||||
}
|
||||
$command = Get-Command 'Set-MpPreference' -ErrorAction Ignore
|
||||
if (!$command) {
|
||||
Write-Warning 'Skipping. Command not found: "Set-MpPreference".'
|
||||
exit 0
|
||||
}
|
||||
if(!$command.Parameters.Keys.Contains($propertyName)) {
|
||||
Write-Host "Skipping. `"$propertyName`" is not supported for `"$($command.Name)`"."
|
||||
exit 0
|
||||
}
|
||||
try {
|
||||
Invoke-Expression "$($command.Name) -Force -$propertyName `$value -ErrorAction Stop"
|
||||
Set-MpPreference -Force -{{ $property }} $value -ErrorAction Stop
|
||||
Write-Host "Successfully set `"$propertyName`" to `"$value`"."
|
||||
exit 0
|
||||
} catch {
|
||||
if ($_.FullyQualifiedErrorId -like '*0x800106ba*') {
|
||||
Write-Warning "Cannot $($command.Name): Defender is not running. Try to enable it (revert) -> reboot -> re-run this?"
|
||||
exit 0
|
||||
} elseif (($_ | Out-String) -like '*Cannot convert*') {
|
||||
Write-Host "Skipping. Argument `"$value`" for property `"$propertyName`" is not supported for `"$($command.Name)`"."
|
||||
exit 0
|
||||
} else {
|
||||
Write-Error "Failed to set using $($command.Name): $_"
|
||||
exit 1
|
||||
}
|
||||
}
|
||||
# `Remove-MpPreference` is different in Windows 11 / 10
|
||||
# Windows 11 and 10 have different revert behavior which is caused by different `Remove-MpPreference` cmdlet versions used
|
||||
# Windows 10 version: https://docs.microsoft.com/en-us/powershell/module/defender/remove-mppreference?view=windowsserver2019-ps
|
||||
# Windows 11 version: https://docs.microsoft.com/en-us/powershell/module/defender/remove-mppreference?view=windowsserver2022-ps
|
||||
# On Windows 11:
|
||||
# - By default, `Remove-MpPreference` sets default values for settings for all cases.
|
||||
# - `setDefaultOnWindows11` parameter changes this behavior to set the default value using `Set-MpPreference`
|
||||
# On Windows 10:
|
||||
# - If `default` argument is is provided, it's set using `Set-MpPreference`
|
||||
# - `default` argument should not be provided if `Remove-MpPreference` is suppored in Windows 10,
|
||||
revertCode: |-
|
||||
$propertyName = '{{ $property }}'
|
||||
{{ with $default }} $defaultValue = {{ . }} {{ end }}
|
||||
$setDefaultOnWindows10 = {{ with $default }} $true # {{ end }} $false
|
||||
$setDefaultOnWindows11 = {{ with $setDefaultOnWindows11 }} $true # {{ end }} $false
|
||||
# ------ Set-MpPreference ------
|
||||
if(($setDefaultOnWindows10 -and [System.Environment]::OSVersion.Version.Major -lt 11) `
|
||||
-or ($setDefaultOnWindows11 -and [System.Environment]::OSVersion.Version.Major -eq 11)) {
|
||||
if((Get-MpPreference -ErrorAction Ignore).$propertyName -eq $defaultValue) {
|
||||
Write-Host "Skipping. `"$propertyName`" is already configured as desired `"$defaultValue`"."
|
||||
exit 0
|
||||
}
|
||||
$command = Get-Command 'Set-MpPreference' -ErrorAction Ignore
|
||||
if (!$command) {
|
||||
Write-Warning 'Skipping. Command not found: "Set-MpPreference".'
|
||||
exit 1
|
||||
}
|
||||
if(!$command.Parameters.Keys.Contains($propertyName)) {
|
||||
Write-Host "Skipping. `"$propertyName`" is not supported for `"$($command.Name)`"."
|
||||
exit 0
|
||||
}
|
||||
try {
|
||||
Invoke-Expression "$($command.Name) -Force -$propertyName `$defaultValue -ErrorAction Stop"
|
||||
Write-Host "Successfully restored `"$propertyName`" to its default `"$defaultValue`"."
|
||||
exit 0
|
||||
} catch {
|
||||
if ($_.FullyQualifiedErrorId -like '*0x800106ba*') {
|
||||
Write-Warning "Cannot $($command.Name): Defender is not running. Try to enable it (revert) -> reboot -> re-run this?"
|
||||
} else {
|
||||
Write-Error "Failed to set using $($command.Name): $_"
|
||||
}
|
||||
exit 1
|
||||
}
|
||||
}
|
||||
# ------ Remove-MpPreference ------
|
||||
$command = Get-Command 'Remove-MpPreference' -ErrorAction Ignore
|
||||
if (!$command) {
|
||||
Write-Warning 'Skipping. Command not found: "Remove-MpPreference".'
|
||||
exit 1
|
||||
}
|
||||
if(!$command.Parameters.Keys.Contains($propertyName)) {
|
||||
Write-Host "Skipping. `"$propertyName`" is not supported for `"$($command.Name)`"."
|
||||
exit 0
|
||||
}
|
||||
try {
|
||||
Invoke-Expression "$($command.Name) -Force -$propertyName -ErrorAction Stop"
|
||||
Write-Host "Successfully restored `"$propertyName`" to its default."
|
||||
exit 0
|
||||
} catch {
|
||||
if ($_.FullyQualifiedErrorId -like '*0x800106ba*') {
|
||||
Write-Warning "Cannot $($command.Name): Defender is not running. Try to enable it (revert) -> reboot -> re-run this?"
|
||||
} else {
|
||||
Write-Error "Failed to set using $($command.Name): $_"
|
||||
}
|
||||
exit 1
|
||||
}
|
||||
Reference in New Issue
Block a user