Event ID 4908 — Special Groups Logon table modified.
Description
Special Groups Logon table modified.
Message #
Fields #
| Name | Description |
|---|---|
Special_Groups | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4908,
"version": 0,
"level": 0,
"task": 13568,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2020-07-12T06:01:51.798027Z",
"event_record_id": 16088364,
"correlation": {},
"execution": {
"process_id": 528,
"thread_id": 548
},
"channel": "Security",
"computer": "rootdc1.offsec.lan",
"security": {
"user_id": ""
}
},
"event_data": {
"SidList": "-"
}
}
Community Notes #
Deleting privileged SIDs will prevent Event ID 4964 from firing. Also appears at every reboot, so IR can compare boot-time record against later changes.
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4908
- Microsoft Learn Audit Policy https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/audit-audit-policy-change
- Ultimate Windows Security https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=4908
- Example event sourced from https://github.com/Yamato-Security/hayabusa-sample-evtx