ADCS Certificate Template Configuration Vulnerability with Risky EKU
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About the rule
Rule Type
Standard
Rule Description
Detects certificate creation with template allowing risk permission subject and risky EKU
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Certificate Service Operation" AND (TEMPLATE contains "1.3.6.1.5.5.7.3.2,1.3.6.1.5.2.3.4,1.3.6.1.4.1.311.20.2.2,2.5.29.37.0" AND TEMPLATE contains "CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT") OR (NEWTEMPLATE contains "1.3.6.1.5.5.7.3.2,1.3.6.1.5.2.3.4,1.3.6.1.4.1.311.20.2.2,2.5.29.37.0" AND NEWTEMPLATE contains "CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT") select Action1.HOSTNAME,Action1.MESSAGE,Action1.NEWTEMPLATE,Action1.TEMPLATE
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
Orlinum , BlueDefenZer
