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  1. Sep 7, 2021 · Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. Note A security identifier (SID) is a unique value of variable length used to identify a trustee (security principal).

  2. This event documents creation, modification and deletion of registry VALUES. This event is logged between the open (4656) and close (4658) events for the registry KEY where the value resides. See Operation Type to find out if the value was created, modified or deleted.

  3. May 15, 2023 · As you mentioned, event ID 4657 is the event ID for registry modification. To enable auditing of registry changes, you can follow the steps mentioned in this Microsoft article . Once auditing is enabled, you can check the security logs for event ID 4657 to determine who made the change.

  4. Jan 8, 2020 · Find these in the Security protocol with the IDs 4656, 4657, 4660, and 4663. As we are only interested in changes in this specific case, the Event IDs 4657 and 4660 are sufficient. ID 4660 represents deletion.

  5. Jan 24, 2024 · Event ID 4657 captures Registry key modifications, offering insights into potential security risks. The article delves into specific attributes, including Account Name, Object Name, Process Name, Old Value, and New Value, providing a comprehensive guide for anomaly detection.

  6. If a registry key value is modified, then event ID 4657 is logged. A subtle note of importance is that it is triggered only if a key value is modified, not the key itself. Further, this event is logged only if the auditing feature is set for the registry key in its SACL.

  7. 4657 Registry Keys to Monitor. Below are some very solid registry keys to monitor, all of which cover the persistence methods discussed above. Rather than log all registry changes, instead focus on these locations to best detect suspicious registry behavior.