Elastic high stable kql

Delegated Managed Service Account Modification by an Unusual User

Detects modifications to the msDS-ManagedAccountPrecededByLink attribute of a delegated managed service account by an unusual subject account. Attackers can abuse this attribute to inherit a target account's permissions and further elevate privileges.

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Detection Logic

event.code:5136 and host.os.type:"windows" and winlog.event_data.AttributeLDAPDisplayName:"msDS-ManagedAccountPrecededByLink"

Field Validations

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