5.8 lcs.audit.key.tombstoned

  • Event type: lcs.audit.key.tombstoned
  • Defined in: lcs.evman
  • Tier: essential
  • Gating: KEY_SET_VALUE overlaps the alarm mask cached on the key handle
  • Cardinality: once per blanket tombstone change through a handle whose mask covers it

The record that a key's blanket tombstone was set or cleared in a layer, or that an attempt failed. A blanket tombstone hides every value lower layers hold for the key at once, so setting one is a bulk value change and is gated on KEY_SET_VALUE, as value writes are.

5.8.1 Fields #

FieldTypePresenceMeaning
subject.token.sidbin.sidvia callerThe user SID of the effective token the operation ran under.
subject.token.integrityuint.integrityvia callerThe integrity RID of the effective token.
subject.token.iduint.luidvia callerThe token's own LUID, identifying this specific token rather than the logon session it belongs to.
subject.token.auth-iduint.luidvia callerThe LUID of the logon session the effective token belongs to.
subject.token.typestr.enumvia callerWhether the effective token is a primary token or an impersonation token.
subject.token.impersonationuint.enumvia callerThe impersonation level of the effective token.
object.kindstr.enumrequiredAlways key.
object.key.guidbin.guidrequiredThe registry key an operation acted on.
object.key.pathstrrequiredThe resolved absolute path of the registry key, in canonical form, such as Machine\System\KMES.
object.key.layer.namestroptionalThe layer the blanket belongs to.
operation.namestr.enumoptionalWhether the blanket was set or cleared. Absent only when the request failed before it was read.

Values here (closed set): set · clear.
access.requesteduint.maskrequiredAlways KEY_SET_VALUE.
access.granteduint.maskrequiredThe access mask in force.
access.matcheduint.maskrequiredThe subset of the requested access that overlapped an audit mask and therefore caused the record to exist.
access.audit-maskuint.maskrequiredThe full continuous-audit mask cached on a handle, of which access.matched is the part this operation touched.
mutation.sequenceuintoptionalPresent when a blanket was set: clearing one stamps no sequence.
transaction.iduintoptionalThe transaction the operation belonged to, registry or package.
request.timed-outboolwhen outcome.success == falseWhether a request's wait for the source's reply ran out before the reply arrived.
outcome.successboolrequiredWhether the operation succeeded.
outcome.errnoint.errnowhen outcome.success == falseThe error the operation failed with, as a negative errno.

Every record also carries the header fields of the envelope, which no payload repeats.

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