Troubleshoot problems with attack surface reduction rules - Microsoft ...
Apr 1, 2025 · One of the easiest ways to determine if attack surface reduction rules are already enabled is through a PowerShell cmdlet, Get-MpPreference. Here's an example: There are multiple attack …
Hunting-Queries-Detection-Rules/Defender For Endpoint/ASR ... - GitHub
Detects when the ASR rule AsrRansomwareBlocked or AsrRansomwareAudited is triggered. MDE uses cliend and cloud heuristics to determine of a file resembles ransomware.
Defender for Endpoint - Implementing ASR Rules - Nathan McNulty
Nov 9, 2022 · Unfortunately, we can only query the Azure AD Device ID and not the Object ID that we need to add the devices to groups, so we will need to use PowerShell modules or the Graph API to …
Using Advanced KQL to Audit Attack Surface Reduction Rules
Sep 16, 2025 · Auditing Attack Surface Reduction (ASR) rules can generate overwhelming data. In this blog, we walk through the different ways of verifying the ASR audit results, different types of …
Security - ASR-Rule Blocked/Audited Processes Details with Advanced ...
May 21, 2025 · This advanced hunting query identifies instances where the Attack Surface Reduction (ASR) rule was triggered. It searches for executable and script files blocked or audited by Defender’s …
ASR rules showing as "Off" for many devices - Spiceworks Community
Dec 27, 2023 · When we look at the Vulnerability Management section in Defender 365 Admin, we see these ASR rules not being applied on about 200/650 of our devices. I have confirmed that many of …
Checking Audited ASR rules : r/sysadmin - Reddit
Aug 9, 2023 · Hey All, I wrote a KQL query to check for ASR Rules being hit that are set to audited mode. Now if ido this KQL query in Advanced hunting I get no results. However i find it weird that …
Attack Surface Reduction - Microsoft Defender Testground
Attack Surface Reduction (ASR) is comprised of a number of rules, each of which target specific behaviors that are typically used by malware and malicious apps to infect machines, such as:
Advanced hunting query to find all devices with ASR not configured : r ...
Sep 30, 2022 · Advanced hunting query to find all devices with ASR not configured. I am looking for an advanced hunting query or any other way to find all devices which are not configured with (ideally a …
GitHub - reprise99/Sentinel-Queries: Collection of KQL queries
We want to use KQL to create accurate and efficient queries to find threats, detections, patterns and anomalies from within our larger data set. Take the below query as an example.