Detection rules › Sigma
Active Directory Certificate Services Denied Certificate Enrollment Request
Detects denied requests by Active Directory Certificate Services. Example of these requests denial include issues with permissions on the certificate template or invalid signatures.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1553.004 Subvert Trust Controls: Install Root Certificate |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| CertificationAuthority | 53 | Active Directory Certificate Services denied request Name because RequestId. |
Stages and Predicates
Stage 1: selection
Provider_Name: 'Microsoft-Windows-CertificationAuthority'
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 |
|---|---|---|
Provider_Name | eq |
|