Event Details
| Event Type | Audit Security Group Management |
|---|
| Event Description | - 4727(S) : A security-enabled global group was created.
- 4731(S) : A security-enabled local group was created.
- 4734(S) : A security-enabled local group was deleted.
- 4737 : A security-enabled global group was changed.
- 4759(S) : A security-disabled universal group was created.
- 4760(S) : A security-disabled universal group was changed.
|
|---|
| Event IDs | 4727 ,4731, 4734, 4737, 4759, 4760 |
|---|
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> |
| TargetUserName | <account>, <group> | <group> |
| TargetDomainName | <domainimpacted> | <domainimpacted> |
| TargetSid | N/A | N/A |
| SubjectUserSid | N/A | N/A |
| SubjectUserName | <login> | <login> |
| SubjectDomainName | N/A | <domainorigin> |
| SubjectLogonId | <session> | <session> |
| PrivilegeList | N/A | N/A |
| SamAccountName | N/A | N/A |
| SidHistory | N/A | N/A |
| MemberName | N/A | <account> |
| GroupTypeChange | N/A | <action> |
| CallerProcessId | N/A | <processid> |
| CallerProcessName | N/A | <process> |
| AccountExpires | <objectname> | N/A |
| UserAccountControl | <objectname> | N/A |
| OldTargetUserName | <object> | 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 |
|---|
| 1007832 | EVID 4720 : User Account Created | Sub Rule | User Account Created | Account Created |
| EVID 4726 : User Account Deleted | Sub Rule | User Account Deleted | Account Deleted |
| EVID 4725 : User Account Disabled | Sub Rule | Account Disabled | Access Revoked |
| EVID 4722 : User Account Enabled | Sub Rule | Account Enabled | Access Granted |
| EVID 4765 : SID History Added To Account | Sub Rule | Configuration Modified : System | Configuration |
| EVID 4766 : SID History Add To Account Failed | Sub Rule | SID History Add Failed | Critical |
| EVID 4724 : Failed Password Change Attempt | Sub Rule | Password Change Attempted | Other Audit Failure |
| EVID 4723 : Failed Password Change Attempt | Sub Rule | Password Change Attempted | Other Audit Failure |
| EVID 4781 : Account Name Changed | Sub Rule | User Account Name Modified | Account Modified |
| EVID 4743 : Computer Account Deleted | Sub Rule | Computer Account Deleted | Account Deleted |
| EVID 4742 : Computer Account Changed | Sub Rule | Computer Account Attribute Modified | Account Modified |
| EVID 4741 : Computer Account Created | Sub Rule | Computer Account Created | Account Created |
| EVID 4756 : Account Added To Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4723 : Password Change Attempt | Sub Rule | Password Modified | Account Modified |
| EVID 4724 : Password Change Attempt | Sub Rule | Password Modified | Account Modified |
| EVID 4738 : User Account Changed | Sub Rule | User Account Attribute Modified | Account Modified |
| Account Management | Base Rule | User Account Attribute Modified | Account Modified |
| EVID 4737 : Security Enabled Group Change | Sub Rule | Group Attribute Modified | Account Modified |
| EVID 4760 : Security Disabled Group Change | Sub Rule | Group Attribute Modified | Account Modified |
| EVID 4727 : Security Enabled Global Group Created | Sub Rule | Group Created | Account Created |
| EVID 4731 : Security Enabled Local Group Created | Sub Rule | Group Created | Account Created |
| EVID 4759 : Security Disabled Univ. Group Created | Sub Rule | Group Created | Account Created |
| EVID 4767 : User Account Unlocked | Sub Rule | Account Unlocked | Access Granted |
| EVID 4734 : Security Enabled Local Group Deleted | Sub Rule | Group Deleted | Account Deleted |
LogRhythm Default v2.0
| Regex ID | Rule Name | Rule Type | Common Event | Classification |
|---|
| 1011139 | V 2.0 : Group Management Events | Base Rule | Group Information | Information |
| V 2.0 : EVID 4727 : Sec-Enable Global Group Created | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4728 : Member Added To Sec-Enable Global | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4729 : Member Removed From Sec-Enabled | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4730 : Sec-Enable Global Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4731 : Sec-Enabled Local Group Created | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4732 : Member Added To Sec-Enable Local | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4733 : Member Removed From Sec-Enabled | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4734 : Sec-Enable Local Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4735 : Sec-Enable Local Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4737 : Sec-Enable Global Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4744 : Sec-Disable Local Group Create | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4745 : Sec-Disable Local Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4746 : Member Added To Sec-Disable Local | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4747 : Member Removed From Sec-Disable | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4748 : Sec-Disable Local Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4749 : Sec-Disable Global Group Created | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4750 : Sec-Disable Global Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4751 : Member Added To Sec-Disable Global | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4752 : Member Removed From Sec-Disabled | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4753 : Sec-Disable Global Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4754 : Sec-Enabled Univ Group Created | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4755 : Sec-Enable Univ Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4756 : Member Added To Sec-Enable Univ | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4757 : Member Removed From Sec-Enabled | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4758 : Sec-Enable Global Univ Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4759 : Sec-Disable Univ Group Created | Sub Rule | Group Created | Account Created |
| V 2.0 : EVID 4760 : Sec-Disable Univ Group Modified | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4761 : Member Added To Sec-Disable Univ | Sub Rule | Account Added To Group | Access Granted |
| V 2.0 : EVID 4762 : Member Removed From Sec-Disable | Sub Rule | Account Removed From Group | Access Revoked |
| V 2.0 : EVID 4763 : Sec-Disable Global Univ Deleted | Sub Rule | Group Deleted | Account Deleted |
| V 2.0 : EVID 4764 : Group Type Changed | Sub Rule | Group Attribute Modified | Account Modified |
| V 2.0 : EVID 4799 : Sec-Enable Local Group Members | Sub Rule | Object Read | Access Success |
