Windows Hypervisor Enforced Code Integrity Disabled

Severity: high
Author: Nasreddine Bencherchali (Nextron Systems), Anish Bogati
Source: upstream

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

MITRE ATT&CK coverage

Tactic	Techniques
Defense Evasion	`T1562.001` Impair Defenses: Disable or Modify Tools

Event coverage

Provider	Event ID	Title
Sysmon	13	RegistryEvent (Value Set)

Stages and Predicates

Stage 1: `selection`

or:
TargetObject|endswith: '\Control\DeviceGuard\HypervisorEnforcedCodeIntegrity'
TargetObject|endswith: '\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity\Enabled'
TargetObject|endswith: '\Microsoft\Windows\DeviceGuard\HypervisorEnforcedCodeIntegrity'
Details: 'DWORD (0x00000000)'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.