Detect AV exclusions made in Policy Key

https://cloudbrothers.info/en/create-persistent-defender-av-exclusions-circumvent-defender-endpoint-detection/

Author: f-bader

sysmonconfig-export.xml

@@ -671,6 +671,7 @@
 			<TargetObject name="T1089,Tamper-Defender" condition="end with">\SpynetReporting</TargetObject> <!--Windows:Defender: State modified via registry-->
 			<TargetObject name="T1089,Tamper-Defender" condition="end with">DisableRealtimeMonitoring</TargetObject> <!--Windows:Defender: State modified via registry-->
 			<TargetObject name="T1089,Tamper-Defender" condition="end with">\SubmitSamplesConsent</TargetObject> <!--Windows:Defender: State modified via registry-->
+			<TargetObject name="T1562,Tamper-Defender" condition="begin with">HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\</TargetObject> <!--Windows:Defender: Exclusions in policy key-->
 			<!--Windows UAC tampering-->
 			<TargetObject name="T1088" condition="end with">HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA</TargetObject> <!--Detect: UAC Tampering | Credit @ion-storm -->
 			<TargetObject name="T1088" condition="end with">HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\LocalAccountTokenFilterPolicy</TargetObject> <!--Detect: UAC Tampering | Credit @ion-storm -->
@@ -1156,4 +1157,4 @@
 		<!--Cannot be filtered.-->
 
 	</EventFiltering>
-</Sysmon>
+</Sysmon>