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Block Win32 API calls from Office macros

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This rule prevents VBA macros from calling Win32 APIs. Most organizations don't rely on the ability to call Win32 APIs in their day-to-day functioning, even if they use macros in other ways.

Policy Details

Policy Name
ExploitGuard_ASR_Rules_Office_MacroWin32API
Registry Key
Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR\Rules
Supported On
At least Windows Server 2016, Windows 10 Version 1709
Available Languages
en-usfr-fr

Configuration Elements

ASR rule modes: Not configured or Disable: The state in which the ASR rule isn't enabled. Block: The state in which the ASR rule is enabled. Audit: The state in which the ASR rule is evaluated for the effect it would have on the organization or environment if enabled (set to block or warn). Warn: The state in which the ASR rule is enabled and presents a notification to the end-user, but permits the end-user to bypass the block.

Mode:

Type: enum

Allowed Values
  • 0 Disabled
  • 2 Audit
  • 6 Warn
  • 1 Block