Detection rules › Sigma

UAC Bypass Using Consent and Comctl32 - File

Severity
high
Author
Christian Burkard (Nextron Systems)
Source
upstream

Detects the pattern of UAC Bypass using consent.exe and comctl32.dll (UACMe 22)

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationT1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control
Defense EvasionT1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control

Event coverage

ProviderEvent IDTitle
Sysmon11FileCreate

Stages and Predicates

Stage 1: selection

TargetFilename|endswith: '\comctl32.dll'
TargetFilename|startswith: 'C:\Windows\System32\consent.exe.@'

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
TargetFilenameends_with
  • \comctl32.dll corpus 2 (sigma 2)
TargetFilenamestarts_with
  • C:\Windows\System32\consent.exe.@