Masquerading Certificate Issuance with Certighost cdc and rmd Request Attributes (via security)
- Product
- windows
- Service
- security
- Author
- HuntRule
- Published
- 2026-05-10
- Updated
- 2026-08-28
ATT&CK techniques
Persistence → Cred AccessRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects certificate issuance events carrying the cdc or rmd request attributes used by the Certighost CVE-2026-54121 exploit to steer a Certificate Authority toward an attacker-chosen client Domain Controller. Adversaries leverage these attributes to obtain a certificate that authenticates as a Domain Controller machine account, making early detection critical for exposing certificate-based DC impersonation before DCSync.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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