Elastic high stable eql

AdminSDHolder SDProp Exclusion Added

Identifies a modification on the dsHeuristics attribute on the bit that holds the configuration of groups excluded from the SDProp process. The SDProp compares the permissions on protected objects with those defined on the AdminSDHolder object. If the permissions on any of the protected accounts and groups do not match, the permissions on the protected accounts and groups are reset to match those of the domain's AdminSDHolder object, meaning that groups excluded will remain unchanged. Attackers can abuse this misconfiguration to maintain long-term access to privileged accounts in these groups.

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Detection Logic

any where host.os.type == "windows" and event.code == "5136" and
  winlog.event_data.AttributeLDAPDisplayName : "dSHeuristics" and
  winlog.event_data.OperationType : "%%14674" and
  length(winlog.event_data.AttributeValue) > 15 and
  winlog.event_data.AttributeValue regex~ "[0-9]{15}([1-9a-f]).*"

Field Validations

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