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hunting-for-dcsync-attacks

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Detect DCSync attacks (MITRE ATT&CK T1003.006) by analyzing Windows Event ID 4662 (AccessMask 0x100) for DS-Replication-Get-Changes and DS-Replication-Get-Changes-All requests issued by non-domain-controller accounts. Use when hunting for DCSync credential theft, after detecting Mimikatz-class tooling, or during incident response and purple-team exercises involving Active Directory replication abuse.

When to use

• When hunting for DCSync credential theft (MITRE ATT&CK T1003.006)
• After detecting Mimikatz or similar tools in the environment
• During incident response involving Active Directory compromise
• When monitoring for unauthorized domain replication requests
• During purple team exercises testing AD attack detection

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