Detecting DCSync Attacks
How to detect DCSync — the Event 4662 replication signal, the GUIDs to watch, a Sigma rule, and the least-privilege hardening that removes the abused rights.
4 articles
How to detect DCSync — the Event 4662 replication signal, the GUIDs to watch, a Sigma rule, and the least-privilege hardening that removes the abused rights.
How to detect AD CS abuse — the ESC1 and ESC8 escalation paths, the CVE-2022-26923 case, certificate-request audit events, and the template hardening that stops it.
How to detect and defend against NTLM relay — coercion primitives, the CVE-2025-24054 case, ADCS ESC8 audit events, and the SMB/LDAP signing plus EPA that stop it.
How Kerberoasting abuses service tickets to crack service-account passwords offline — and the Sigma detection and hardening that shut it down. Lab-only.