Event ID 4755 — A security-enabled universal group was changed.
Description
A security-enabled universal group was changed.
Message #
Fields #
| Name | Description |
|---|---|
TargetUserName UnicodeString | [Group] Group Name |
TargetDomainName UnicodeString | [Group] Group Domain |
TargetSid SID | [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 | [Changed Attributes] SAM Account Name |
SidHistory UnicodeString | [Changed Attributes] SID History |
Group_Name UnicodeString | [Group] Group Name. |
Group_Domain UnicodeString | [Group] Group Domain. |
Security_ID SID | [Group] Security ID. |
Account_Name UnicodeString | [Subject] Account Name. |
Account_Domain UnicodeString | [Subject] Account Domain. |
Logon_ID HexInt64 | [Subject] Logon ID. |
Privileges UnicodeString | [Additional Information] Privileges. Privilege constants reference |
SAM_Account_Name UnicodeString | [Changed Attributes] SAM Account Name. |
SID_History UnicodeString | [Changed Attributes] SID History. |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4755,
"version": 0,
"level": 0,
"task": 13826,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2026-03-13T20:16:04.432295+00:00",
"event_record_id": 16239937,
"correlation": {},
"execution": {
"process_id": 968,
"thread_id": 6292
},
"channel": "Security",
"computer": "LAB-DC01.ludus.domain",
"security": {
"user_id": ""
}
},
"event_data": {
"TargetUserName": "evtgen_universal",
"TargetDomainName": "ludus",
"TargetSid": "S-1-5-21-1006758700-2167138679-1475694448-1120",
"SubjectUserSid": "S-1-5-21-1006758700-2167138679-1475694448-1105",
"SubjectUserName": "domainadmin",
"SubjectDomainName": "ludus",
"SubjectLogonId": "0xa981e",
"PrivilegeList": "-",
"SamAccountName": "-",
"SidHistory": "-"
},
"message": ""
}
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4755
- 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=4755