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Detection rules › Sigma

CodeIntegrity - Unmet WHQL Requirements For Loaded Kernel Module

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects loaded kernel modules that did not meet the WHQL signing requirements.

Event coverage

ProviderEvent IDTitle
CodeIntegrity3082Code Integrity determined kernel module FileNameBuffer that did not meet the WHQL requirements is loaded into the system.
CodeIntegrity3083Code Integrity determined kernel module FileNameBuffer that did not meet the WHQL requirements is loaded into the system.

Stages and Predicates

Stage 1: selection

Stage 2: not 1 of filter_optional_vmware

FileNameBuffer: ['System32\drivers\vmci.sys', 'system32\drivers\vsock.sys']

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.

FieldKindValues
FileNameBuffereq
  • System32\drivers\vmci.sys
  • system32\drivers\vsock.sys