New Root or CA or AuthRoot Certificate to Store

 1title: New Root or CA or AuthRoot Certificate to Store
 2id: d223b46b-5621-4037-88fe-fda32eead684
 3status: test
 4description: Detects the addition of new root, CA or AuthRoot certificates to the Windows registry
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.004/T1553.004.md#atomic-test-6---add-root-certificate-to-currentuser-certificate-store
 7    - https://posts.specterops.io/code-signing-certificate-cloning-attacks-and-defenses-6f98657fc6ec
 8author: frack113
 9date: 2022-04-04
10modified: 2023-08-17
11tags:
12    - attack.impact
13    - attack.t1490
14logsource:
15    category: registry_set
16    product: windows
17detection:
18    selection:
19        TargetObject|contains:
20            - '\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates\'
21            - '\SOFTWARE\Policies\Microsoft\SystemCertificates\Root\Certificates\'
22            - '\SOFTWARE\Microsoft\EnterpriseCertificates\Root\Certificates\'
23            - '\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\'
24            - '\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates\'
25            - '\SOFTWARE\Microsoft\EnterpriseCertificates\CA\Certificates\'
26            - '\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\'
27            - '\SOFTWARE\Policies\Microsoft\SystemCertificates\AuthRoot\Certificates\'
28            - '\SOFTWARE\Microsoft\EnterpriseCertificates\AuthRoot\Certificates\'
29        TargetObject|endswith: '\Blob'
30        Details: 'Binary Data'
31    condition: selection
32falsepositives:
33    - Unknown
34level: medium
35simulation:
36    - type: atomic-red-team
37      name: Add Root Certificate to CurrentUser Certificate Store
38      technique: T1553.004
39      atomic_guid: ca20a3f1-42b5-4e21-ad3f-1049199ec2e0
40regression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_install_root_or_ca_certificat/info.yml