Event Details
| Event Type | Audit File System, Audit Kernel Object, Audit Registry, and Audit Removable Storage |
|---|
| Event Description | - 4656(S, F) : A handle to an object was requested.
- 4658(S) : The handle to an object was closed.
- 4660(S) : An object was deleted.
- 4661(S, F) : A handle to an object was requested.
- 4663(S) : An attempt was made to access an object.
- 4670(S) : Permissions on an object were changed.
- 4691(S) : Indirect access to an object was requested.
|
|---|
| Event IDs | 4656, 4658, 4660, 4661, 4663, 4670, 4691 |
|---|
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 | <vendorinfo>, <subject> | <vendorinfo> |
| Opcode | N/A | N/A |
| Keywords | <tag1> | <result>, <tag1> |
| 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> |
| ObjectServer | N/A | <object> |
| ObjectType | <object>, <tag2> | <objecttype> |
| ObjectName | <objectname> | <objectname> |
| HandleId | N/A | N/A |
| TransactionId | N/A | N/A |
| AccessList | <command>, <tag2> | <subject> |
| AccessReason | N/A | N/A |
| AccessMask | <status> | <status> |
| PrivilegeList | N/A | N/A |
| RestrictedSidCount | N/A | N/A |
| ProcessId | <processid> | <processid> |
| ProcessName | <process> | <process> |
| ResourceAttributes | N/A | N/A |
| OperationType | <tag2> | 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 |
|---|
| 1011145 | V 2.0 : Object Access Events | Base Rule | General Audit Message | Other Audit |
| V 2.0 : EVID 4656 : Object Handle Opened | Sub Rule | Object Accessed | Access Success |
| V 2.0 : EVID 4656 : Failed To Open Object | Sub Rule | Access Object Failure | Access Failure |
| V 2.0 : EVID 4658 : Object Handle Closed | Sub Rule | Object Handle Closed | Other Audit Success |
| V 2.0 : EVID 4660 : Object Deleted | Sub Rule | Object Deleted/Removed | Access Success |
| V 2.0 : EVID 4661 : Object Handle Opened | Sub Rule | Object Accessed | Access Success |
| V 2.0 : EVID 4661 : Failed To Open Object | Sub Rule | Access Object Failure | Access Failure |
| V 2.0 : EVID 4663 : Operation Performed On Object | Sub Rule | Object Accessed | Access Success |
| V 2.0 : EVID 4670 : Object Permissions Changed | Sub Rule | Policy Modified : Object | Policy |
| V 2.0 : EVID 4818 : Central Access Policy Difference | Sub Rule | Object Operation | Other Audit Success |
| V 2.0 : EVID 4691 : ALPC Port Accessed | Sub Rule | Object Accessed | Access Success |
| V 2.0 : EVID 4656 : Object Handle Opened | Sub Rule | Object Accessed | Access Success |
| V 2.0 : EVID 4656 : Failed To Open Object | Sub Rule | Access Object Failure | Access Failure |
| V 2.0 : EVID 4659 : Object Open for Deletion | Sub Rule | Object Accessed | Access Success |
