Event Details
| Event Type | Audit Policy Change |
|---|
| Event Description | 4715(S) : The audit policy (SACL) on an object was changed. 4719(S) : System audit policy was changed. 4817(S) : Auditing settings on object were changed. 4902(S) : The per-user audit policy table was created. 4904(S) : An attempt was made to register a security event source. 4905(S) : An attempt was made to unregister a security event source. - 4906(S) : The CrashOnAuditFail value has changed.
4907(S) : Auditing settings on an object were changed. 4908(S) : The Special Groups Logon table was modified. 4912(S) : The Per User Audit Policy was changed.
|
|---|
| Event IDs | 4719, 4912 |
|---|
Log Fields and Parsing
This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.
| Log Field | LogRhythm Default | LogRhythm Default v2.0 |
|---|
| Provider | N/A | N/A |
| EventID | <vmid> | <vmid> |
| Version | N/A | N/A |
| Level | <severity> | <severity> |
| Task | N/A | <vendorinfo> |
| Opcode | N/A | N/A |
| Keywords | <tag1> | <result> |
| TimeCreated | N/A | N/A |
| EventRecordID | N/A | N/A |
| Correlation | N/A | N/A |
| Execution | N/A | N/A |
| Channel | N/A | N/A |
| Computer | <dname> | <dname> |
| SubjectUserSid | N/A | N/A |
| SubjectUserName | <login> | <login> |
| SubjectDomainName | <domain> | <domainorigin> |
| SubjectLogonId | <session> | <session> |
| CategoryId | <object> | <policy> |
| SubcategoryId | <objectname> | <objectname> |
| SubcategoryGuid | N/A | <object> |
| AuditPolicyChanges | <subject> | <action>, <tag2> |
| Eventdata | <vendorinfo> | N/A |
Log Processing Settings
This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.
LogRhythm Default
| Regex ID | Rule Name | Rule Type | Common Event | Classification |
|---|
| 1000631 | Policy Changed | Base Rule | Policy Modified : System | Policy |
| EVID 4719 : System Audit Policy Changed | Sub Rule | Policy Modified : Auditing | Policy |
| EVID 4713 : Kerberos Policy Changed | Sub Rule | Policy Modified : System | Policy |
| EVID 4714 : Encrypted Data Recovery Policy Changed | Sub Rule | Policy Modified : Encryption | Policy |
| EVID 4739 : Domain Policy Changed | Sub Rule | Policy Modified : Domain | Policy |
| EVID 4912 : Per User Policy Was Changed | Sub Rule | Policy Modified : User/Password | Policy |
LogRhythm Default v2.0
| Regex ID | Rule Name | Rule Type | Common Event | Classification |
| 1011106 | V 2.0 : Audit Policy Modified | Base Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Failure Removed | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Failure Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Success Removed | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Success Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Succ/Failure Remvd | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Succ/Failure Removd | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Succ/Failure Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4719 : Auditing - Succ/Failure Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - Failure Removed | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - Failure Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - Success Removed | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - Success Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - Succ/Failure Removd | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - S Removed/ F Added | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - S Added/ F Removed | Sub Rule | Policy Modified : Auditing | Policy |
| V 2.0 : EVID 4912 : Auditing - S Added/F Added | Sub Rule | Policy Modified : Auditing | Policy |
