Detection rules › Sigma
UAC Bypass Tools Using ComputerDefaults
Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation | T1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control |
| Defense Evasion | T1548.002 Abuse Elevation Control Mechanism: Bypass User Account Control |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: selection
IntegrityLevel: [High, S-1-16-12288, S-1-16-16384, System]
Image: 'C:\Windows\System32\ComputerDefaults.exe'
Stage 2: not filter
or:
ParentImage|contains: ':\Program Files'
ParentImage|contains: ':\Windows\System32'
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.
| Field | Kind | Values |
|---|---|---|
Image | eq |
|
IntegrityLevel | eq |
|
ParentImage | match |
|