Event ID 4905 — An attempt was made to unregister a security event source.
Description
An attempt was made to unregister a security event source.
Message #
Fields #
| Name | Description |
|---|---|
Security_ID | — |
Account_Name | — |
Account_Domain | — |
Logon_ID | — |
Source_Name | [Event Source] Source Name. |
Event_Source_ID | [Event Source] Event Source ID. |
Process_ID | [Process] Process ID. |
Process_Name | [Process] Process Name. |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4905,
"version": 0,
"level": 0,
"task": 13568,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2013-10-23T16:26:16.473750Z",
"event_record_id": 135,
"correlation": {},
"execution": {
"process_id": 508,
"thread_id": 1032
},
"channel": "Security",
"computer": "IE8Win7",
"security": {
"user_id": ""
}
},
"event_data": {
"SubjectUserSid": "S-1-5-18",
"SubjectUserName": "WIN-QALA5Q3KJ43$",
"SubjectDomainName": "WORKGROUP",
"SubjectLogonId": "0x3e7",
"AuditSourceName": "VSSAudit",
"EventSourceId": "0xe5eb0",
"ProcessId": "0x9fc",
"ProcessName": "C:\\Windows\\System32\\VSSVC.exe"
}
}
Detection Patterns #
Credential Access: Security Account Manager
Security-Auditing Event ID 4904: An attempt was made to register a security event source.OREvent ID 4905: An attempt was made to unregister a security event source.
1 rule
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4905
- 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=4905
- Example event sourced from https://github.com/NextronSystems/evtx-baseline