Sigma rule: ADCS Certificate Template Configuration Vulnerability

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-500b53c7981a, updated 2022-12-25T00:00:00.000Z.

Rule

Title
ADCS Certificate Template Configuration Vulnerability
Status
test
Level
low
Author
Orlinum , BlueDefenZer
Date
2021-11-17
Modified
2022-12-25
File
rules/windows/builtin/security/win_security_adcs_certificate_template_configuration_vulnerability.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects certificate creation with template allowing risk permission subject

Log source

product
windows
service
security
definition
Certificate services loaded a template would trigger event ID 4898 and certificate Services template was updated would trigger event ID 4899. A risk permission seems to be coming if template contain specific flag.

Detection

selection1:
    EventID: 4898
    TemplateContent|contains: 'CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT'
selection2:
    EventID: 4899
    NewTemplateContent|contains: 'CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT'
condition: selection1 or selection2

False positives (as the rule lists them)

  • Administrator activity
  • Proxy SSL certificate with subject modification
  • Smart card enrollement

Tags

  • attack.privilege-escalation
  • attack.credential-access

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_adcs_certificate_template_configuration_vulnerability.yml

Sources and licences

  • SigmaHQ

    "ADCS Certificate Template Configuration Vulnerability" by Orlinum , BlueDefenZer (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_adcs_certificate_template_configuration_vulnerability.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: ADCS Certificate Template Configuration Vulnerability",
entity page, dataset version ref-500b53c7981a, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/5ee3a654-372f-11ec-8d3d-0242ac130003 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 5ee3a654-372f-11ec-8d3d-0242ac130003, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.