Event Details
| Event Type | Audit Registry |
|---|
| Event Description | 4657(S) : A registry value was modified. |
|---|
| Event ID | 4657 |
|---|
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 | N/A | <vmid> |
| Version | N/A | N/A |
| Level | <severity> | <severity> |
| Task | <vendorinfo>, <subject> | <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 |
| Processid | N/A | N/A |
| Channel | N/A | N/A |
| Computer | <dname> | <dname> |
| SubjectUserName | <login> | <login> |
| SubjectDomainName | <domain> | <domainorigin> |
| SubjectLogonId | <session> | <session> |
| ObjectName | <objectname> | <subject> |
| ObjectValueName | N/A | <objectname> |
| handleId | <object> | <object> |
| OperationType | <tag2> | N/A |
| ProcessId | <processid> | <processid> |
| ProcessName | <process> | <process> |
| AccessList | <command>, <tag2> | N/A |
| Accessmask | <status> | N/A |
| EventData | N/A | N/A |
| Account Name | N/A | N/A |
| Account Domain | N/A | N/A |
| LogonId | N/A | N/A |
| New Value | N/A | N/A |
| Accesses | N/A | 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 |
|---|
| 1007793 | Object Access | Base Rule | Object Accessed | Access Success |
| EVID 4662 : Operation Performed On Object Failed | Sub Rule | Access Object Failure | Access Failure |
| EVID 4658 : Handle To An Object Closed | Sub Rule | Object Handle Closed | Other Audit Success |
| EVID 4691 : Indirect Access To An Object Requested | Sub Rule | Object Accessed | Access Success |
| EVID 4690 : Attempt Made To Duplicate Object Handle | Sub Rule | Handle Duplicated | Information |
| EVID 4661 : Handle To An Object Was Requested | Sub Rule | Object Handle Requested | Other Audit Success |
| EVID 4985 : State Of Transaction Changed | Sub Rule | Transaction State Change | Network Traffic |
| EVID 4685 : State Of Transaction Changed | Sub Rule | Transaction State Change | Network Traffic |
| EVID 4670 : Permissions On Object Changed | Sub Rule | Policy Modified : Object | Policy |
| EVID 4663 : Attempt Made To Access Object | Sub Rule | Object Accessed | Access Success |
| EVID 4662 : Operation Performed On Object | Sub Rule | Command Executed | Access Success |
| EVID 4660 : Object Deleted | Sub Rule | Object Deleted/Removed | Access Success |
| EVID 4658 : Handle To An Object Closed | Sub Rule | Object Handle Closed | Other Audit Success |
| EVID 4657 : Registry Value Modified | Sub Rule | Object Modified | Access Success |
| EVID 4656 : Object Open Failed | Sub Rule | Access Object Failure | Access Failure |
| EVID 4656 : Object Opened | Sub Rule | Object Read | Access Success |
| EVID 4663 : Read Data | Sub Rule | Object Read | Access Success |
| EVID 4663 : Write Data | Sub Rule | Object Modified | Access Success |
| EVID 4663 : Append Data | Sub Rule | Object Modified | Access Success |
| EVID 4663 : Read EA | Sub Rule | Object Read | Access Success |
| EVID 4663 : Write EA | Sub Rule | Object Modified | Access Success |
| EVID 4663 : Execute/Traverse | Sub Rule | Access Granted Activity | Access Granted |
| EVID 4663 : Delete Child | Sub Rule | Object Deleted/Removed | Access Success |
| EVID 4663 : Read Attributes | Sub Rule | Object Read | Access Success |
| EVID 4663 : Write Attributes | Sub Rule | Object Modified | Access Success |
| EVID 4663 : DELETE | Sub Rule | Object Deleted/Removed | Access Success |
| EVID 4663 : READ_CONTROL | Sub Rule | Object Read | Access Success |
| EVID 4663 : WRITE_DAC | Sub Rule | Object Modified | Access Success |
| EVID 4663 : WRITE_OWNER | Sub Rule | Object Modified | Access Success |
| EVID 4663 : SYNCHRONIZE | Sub Rule | Object Modified | Access Success |
| EVID 4663 : ACCESS_SYS_SEC | Sub Rule | Object Modified | Access Success |
| EVID 4657 : Registry Value Created | Sub Rule | Object Created | Access Success |
| EVID 4657 : Registry Value Deleted | Sub Rule | Object Deleted/Removed | Access Success |
| EVID 4657 : Registry Value Modified | Sub Rule | Object Modified | Access Success |
LogRhythm Default v2.0
| Regex ID | Rule Name | Rule Type | Common Event | Classification |
|---|
| 1011146 | V 2.0 : EVID 4657 : Registry Value Modified | Base Rule | Object Modified | Access Success |
