Attack surface reduction events custom view: asr-events.xml.Exploit protection events custom view: ep-events.xml.Controlled folder access events custom view: cfa-events.xml.Rename the files as follows (ensure you change the type from. Do this for each of the custom views you want to use. txt file and copy the XML for the custom view you want to use into the. Import an existing XML custom viewĬreate an empty. You can also manually navigate to the event area that corresponds to the feature. You can copy the XML directly from this page. The easiest way is to import a custom view as an XML file. Use custom views to review attack surface reduction capabilitiesĬreate custom views in the Windows Event Viewer to only see events for specific capabilities and settings. Get detailed reporting into events, blocks, and warnings as part of Windows Security if you have an E5 subscription and use Microsoft Defender for Endpoint. This section lists all the events, their associated feature or setting, and describes how to create custom views to filter to specific events. You can enable audit mode for features or settings, and then review what would have happened if they were fully enabled. Reviewing events is handy when you're evaluating the features. You can also determine if any settings are too "noisy" or impacting your day to day workflow. Review attack surface reduction events in Event Viewer to monitor what rules or settings are working. Operationalize attack surface reduction (ASR) rules.Enable attack surface reduction (ASR) rules.Test attack surface reduction (ASR) rules.Plan attack surface reduction (ASR) rules deployment.Attack surface reduction (ASR) rules deployment overview.The preferred method is documented in the following attack surface reduction (ASR) rules deployment topics: There are several methods you can use to implement attack surface reduction rules. Attack surface reduction (ASR) rules are pre-defined to harden common, known attack surfaces. Step 2: Understand the Attack surface reduction rules reporting pageįor example, you can test attack surface reduction rules in audit mode prior to enabling (block mode) them. You can enable audit mode using Group Policy, PowerShell, and configuration service providers (CSPs). Using the Defender for Endpoint console lets you investigate issues as part of the alert timeline and investigation scenarios. These details are especially helpful for investigating attack surface reduction rules. Use Defender for Endpoint to get greater details for each event. To find the audited entries, go to Applications and Services > Microsoft > Windows > Windows Defender > Operational. With audit mode, you can review the event log to see what affect the feature would have had if it was enabled. However, the Windows Event Log will record events as if the features were fully enabled. The features won't block or prevent apps, scripts, or files from being modified. You can also get an idea of how many suspicious file modification attempts occur over a certain period of time. Enabling audit mode only for testing helps to prevent audit mode from affecting your line-of-business apps. You can enable audit mode when testing how the features will work. You can enable the following ASR security features in audit mode:Īudit mode lets you see a record of what would have happened if you had enabled the feature. Test attack surface reduction in Microsoft Defender for EndpointĪs part of your organization's security team, you can configure attack surface reduction capabilities to run in audit mode to see how they'll work. In most cases, when you configure attack surface reduction capabilities, you can choose from among several methods:
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