Event ID 4727 — A security-enabled global group was created.
Description
A security-enabled global group was created.
Message #
Fields #
| Name | Description |
|---|---|
TargetUserName UnicodeString | [New Group] Group Name. |
TargetDomainName UnicodeString | [New Group] Group Domain. |
TargetSid SID | [New Group] Security ID. |
SubjectUserSid SID | [Subject] Security ID. |
SubjectUserName UnicodeString | [Subject] Account Name. |
SubjectDomainName UnicodeString | [Subject] Account Domain. |
SubjectLogonId HexInt64 | [Subject] Logon ID. |
PrivilegeList UnicodeString | [Additional Information] Privileges. Privilege constants reference |
SamAccountName UnicodeString | [Attributes] SAM Account Name. |
SidHistory UnicodeString | [Attributes] SID History. |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4727,
"version": 0,
"level": 0,
"task": 13826,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2022-04-07T16:44:41.241410+00:00",
"event_record_id": 51,
"correlation": {
"ActivityID": "C1DC836A-4A9E-0000-8485-DCC19E4AD801"
},
"execution": {
"process_id": 648,
"thread_id": 652
},
"channel": "Security",
"computer": "WIN-FPV0DSIC9O6",
"security": {
"user_id": ""
}
},
"event_data": {
"TargetUserName": "Storage Replica Administrators",
"TargetDomainName": "Builtin",
"TargetSid": "S-1-5-32-582",
"SubjectUserSid": "S-1-5-18",
"SubjectUserName": "MINWINPC$",
"SubjectDomainName": "",
"SubjectLogonId": "0x3e7",
"PrivilegeList": "-",
"SamAccountName": "Storage Replica Administrators",
"SidHistory": "-"
},
"message": ""
}
Detection Patterns #
Security-Auditing Event ID 4670: Permissions on an object were changed.ANDEvent ID 4727: A security-enabled global group was created.ANDEvent ID 4731: A security-enabled local group was created.ANDEvent ID 4734: A security-enabled local group was deleted.ANDEvent ID 4735: A security-enabled local group was changed.ANDEvent ID 4764: A group’s type was changed.
Persistence: Domain Account
Security-Auditing Event ID 4727: A security-enabled global group was created.ANDEvent ID 4730: A security-enabled global group was deleted.ANDEvent ID 4737: A security-enabled global group was changed.
1 rule
Persistence: Domain Account
Security-Auditing Event ID 4727: A security-enabled global group was created.ANDEvent ID 4731: A security-enabled local group was created.ANDEvent ID 4744: A security-disabled local group was created.ANDEvent ID 4749: A security-disabled global group was created.ANDEvent ID 4754: A security-enabled universal group was created.ANDEvent ID 4756: A member was added to a security-enabled universal group.ANDEvent ID 4759: A security-disabled universal group was created.ANDEvent ID 4783: A basic application group was created.ANDEvent ID 4790: An LDAP query group was created.
1 rule
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4727
- Microsoft Learn Audit Policy https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/audit-security-group-management
- Ultimate Windows Security https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=4727
- Example event sourced from https://github.com/NextronSystems/evtx-baseline