Hypervisor Enforced Code Integrity Disabled
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About the rule
Rule Type
Standard
Rule Description
Detects changes to the HypervisorEnforcedCodeIntegrity registry key and the "Enabled" value being set to 0 in order to disable the Hypervisor Enforced Code Integrity feature. This allows an attacker to load unsigned and untrusted code to be run in the kernel
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME endswith "\Microsoft\Windows\DeviceGuard\HypervisorEnforcedCodeIntegrity,\Control\DeviceGuard\HypervisorEnforcedCodeIntegrity,\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity\Enabled" OR (OBJECTNAME endswith "\Microsoft\Windows\DeviceGuard,\Control\DeviceGuard,\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" AND OBJECTVALUENAME = "HypervisorEnforcedCodeIntegrity,HypervisorEnforcedCodeIntegrity,Enabled")) AND (INFORMATION = "DWORD (0x00000000)" OR (CHANGES = 0 AND NEWTYPE = "REG_DWORD")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems), Anish Bogati
