any where event.code == "4662" and
winlog.event_data.Properties : (
/* Control Access Rights/Permissions Symbol */
"*DS-Replication-Get-Changes*",
"*DS-Replication-Get-Changes-All*",
"*DS-Replication-Get-Changes-In-Filtered-Set*",
/* Identifying GUID used in ACE */
"*1131f6ad-9c07-11d1-f79f-00c04fc2dcd2*",
"*1131f6aa-9c07-11d1-f79f-00c04fc2dcd2*",
"*89e95b76-444d-4c62-991a-0facbeda640c*")
/* The right to perform an operation controlled by an extended access right. */
and winlog.event_data.AccessMask : "0x100" and
not winlog.event_data.SubjectUserName : (
"*$", "MSOL_*", "OpenDNS_Connector", "adconnect", "SyncADConnect",
"SyncADConnectCM", "aadsync", "svcAzureADSync", "-"
)
/* The Umbrella AD Connector uses the OpenDNS_Connector account to perform replication */
Install detection rules in Elastic Security
Detect Potential Credential Access via DCSync in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).