Event Details
| Event Type | Group Member Added/Removed |
|---|
| Event Description | - 4728(S) : A member was added to a security-enabled global group.
- 4729(S) : A member was removed from a security-enabled global group.
- 4730(S) : A security-enabled global group was deleted.
- 4732(S) : A member was added to a security-enabled local group.
- 4733(S) : A member was removed from a security-enabled local group.
- 4735(S) : A security-enabled local group was changed.
- 4746(S) : A member was added to a security-disabled local group.
- 4747(S) : A member was removed from a security-disabled local group.
- 4749(S) : A security-disabled global group was created.
- 4751(S) : A member was added to a security-disabled global group.
- 4752(S) : A member was removed from a security-disabled global group.
- 4753(S) : A security-disabled global group was deleted.
- 4756(S) : A member was added to a security-enabled universal group.
- 4757(S) : A member was removed from a security-enabled universal group.
- 4758(S) : A security-enabled universal group was deleted.
- 4761(S) : A member was added to a security-disabled universal group.
- 4762(S) : A member was removed from a security-disabled universal group.
|
|---|
| Event IDs | 4728, 4729, 4730, 4732, 4733, 4735, 4746, 4747, 4749, 4751, 4752, 4753, 4756, 4757, 4758, 4761, 4762 |
|---|
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 | <command> | <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 | <group> | <group> |
| TargetDomainName | <object> | <domainimpacted> |
| TargetSid | N/A | N/A |
| SubjectUserSid | N/A | <domainorigin>, <login> |
| SubjectUserName | <login> | <login> |
| SubjectDomainName | <domainorigin> | <domainorigin> |
| SubjectLogonId | <session> | <session> |
| PrivilegeList | N/A | N/A |
| SamAccountName | N/A | N/A |
| SidHistory | N/A | N/A |
| MemberName | <sname> | <account> |
| MemberSid | <domainimpacted>, <account> | <domainimpacted>, <account> |
| CallerProcessName | N/A | <process> |
| CallerProcessId | N/A | <processid> |
| GroupTypeChange | N/A | <action> |
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 |
|---|
| 1007836 | Group Member Added/Removed | Base Rule | Account Added To Group | Access Granted |
| EVID 4762 : User Removed From Univ Distribution Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4757 : User Removed From Univ Security Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4756 : User Added To Univ Security Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4752 : User Removed From Global Distribution Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4761 : User Added To Universal Distribution Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4751 : User Added To Global Distribution Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4747 : User Removed From Local Distribution Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4746 : User Added To Local Distribution Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4733 : User Removed From Local Security Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4732 : User Added To Local Security Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4729 : User Removed From Global Security Group | Sub Rule | Account Removed From Group | Access Revoked |
| EVID 4728 : User Added To Global Security Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4749 : Sec-Disabled Global Group Created | Sub Rule | Group Created | Account Created |
| EVID 4751 : User Added To Sec-Disabled Global Group | Sub Rule | Account Added To Group | Access Granted |
| EVID 4753 : Sec-Disabled Global Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| EVID 4730 : Sec-Enabled Global Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| EVID 4758 : Universal Security Group Deleted | Sub Rule | Group Deleted | Account Deleted |
| EVID 4735 : Local Security Group Changed Logs | Sub Rule | Group Attribute Modified | Account Modified |
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-Enable | 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 Created | 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 |
