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OSSEC / HIDS Rule 59221

OSSEC / HIDS rule catalog

  • Rule family: OSSEC / HIDS
  • Rule ID: 59221
  • Definition status: Present in current source
  • Alert message / subject: Computer account added/changed/deleted
  • Rule level: 5
  • Definition checked: 2026-10-21

Interpretation and response

Windows reported that a computer account was added, changed or deleted. Correlate it with authorized directory administration.

An OSSEC/HIDS event records or correlates activity. Blocking depends on the originating application and any separately configured Active Response policy; an alert alone does not prove that an attack was blocked.

The historical description said user account. The current definition concerns computer accounts.

Documentation

The following guidance was migrated from the historical wiki and reviewed against the rule definition. Legacy ASL product names and interface instructions refer to the versions documented then. Use the current metadata above and your installed configuration when interpreting thresholds, notification settings and response behavior.

Description

Windows reported that a computer account was added, changed or deleted. Correlate it with authorized directory administration.

What you should do

Review the originating event, expected activity and configuration. Confirm the actual response separately.

Troubleshooting

False Positives

A legitimate event may still trigger this rule. Review the surrounding activity before deciding whether it is malicious.

Tuning Guidance

There is no guidance for tuning this rule, this is a generic Windows error and the rule should not be disabled.

Additional Information

Support

If you are unsure about how to respond to this alert, please contact Atomicorp support. We’re here to help you!

Source and revision

Migrated from HIDS_59221, wiki page 847, revision 6212 (20201023). Documentation review: 2026-10-21. An archived wiki status of Active is not a current deployment status.

For assistance, provide the rule ID, installed product and rule version, and a sanitized event to Atomicorp support .