Set the state for each Attack Surface Reduction (ASR) rule. After enabling this setting, you can set each rule to the following in the Options section: - Block: the rule will be applied - Audit Mode: if the rule would normally cause an event, then it will be recorded (although the rule will not actually be applied) - Off: the rule will not be applied - Not Configured: the rule is enabled with default values - Warn: the rule will be applied and the end-user will have the option to bypass the block Unless the ASR rule is disabled, a subsample of audit events are collected for ASR rules will the value of not configured. Enabled: Specify the state for each ASR rule under the Options section for this setting. Enter each rule on a new line as a name-value pair: - Name column: Enter a valid ASR rule ID - Value column: Enter the status ID that relates to state you want to specify for the associated rule The following status IDs are permitted under the value column: - 1 (Block) - 0 (Off) - 2 (Audit) - 5 (Not Configured) - 6 (Warn) Example: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx 0 xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx 1 xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx 2 Disabled: No ASR rules will be configured. Not configured: Same as Disabled. You can exclude folders or files in the ""Exclude files and paths from Attack Surface Reduction Rules"" GP setting. Fix: (1) GPO: Computer ConfigurationAdministrative TemplatesWindows ComponentsMicrosoft Defender AntivirusMicrosoft Defender Exploit GuardAttack Surface ReductionConfigure Attack Surface Reduction rules (2) REG: HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindows DefenderWindows Defender Exploit GuardASR!ExploitGuard_ASR_Rules

[enable/disable]

(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Microsoft Defender Antivirus\Microsoft Defender Exploit Guard\Attack Surface Reduction\Configure Attack Surface Reduction rules (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR!ExploitGuard_ASR_Rules