huntrule

Suspicious LDAP Enumeration of Certificate Templates (via security)

PremiumReviewedSigma · Low · v1
Product
windows
Service
security
Author
HuntRule
Published
2026-05-20
Updated
2026-08-28
AnalysisDetection

ATT&CK techniques

Cred Access → Discovery

  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule detects LDAP queries enumerating pKICertificateTemplate objects, an AD CS reconnaissance step used to find misconfigured templates vulnerable to certificate-based privilege escalation. This activity commonly precedes malicious certificate requests observed in Security Events 4886 and 4887.

Reporting behind it

Related detections9 linkedT1087.002 — drag to rearrange
Suspicious Active Directory Export via Csvde via Process Creation (via process_creation)
Suspicious AdFind Domain User Reconnaissance Output
Suspicious Active Directory Reconnaissance Output via ADRecon CSV (via file_event)
Suspicious Domain Computer Enumeration via Net Group Command
Suspicious ADCS Certificate Abuse Tooling via Command Line (via process_creation)
Suspicious Active Directory Enumeration via AdsiSearcher
Suspicious ADFind Active Directory Reconnaissance Execution
Malicious IcedID AdFind Active Directory Reconnaissance via Command Line
Suspicious ADFind Active Directory Enumeration (via process_creation)
Suspicious LDAP Enumeration of Certificate Templates (via security)
Pivot detection · T1087.002 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.