Event ID 4692 — Backup of data protection master key was attempted.
Description
Backup of data protection master key was attempted.
Message #
Fields #
| Name | Description |
|---|---|
SubjectUserSid SID | [Subject] Security ID |
SubjectUserName UnicodeString | [Subject] Account Name |
SubjectDomainName UnicodeString | [Subject] Account Domain |
SubjectLogonId HexInt64 | [Subject] Logon ID |
MasterKeyId UnicodeString | [Key Information] Key Identifier |
RecoveryServer UnicodeString | [Key Information] Recovery Server |
RecoveryKeyId UnicodeString | [Key Information] Recovery Key ID |
FailureReason HexInt32 | [Status Information] Status Code Known values
|
Security_ID SID | [Subject] Security ID. |
Account_Name UnicodeString | [Subject] Account Name. |
Account_Domain UnicodeString | [Subject] Account Domain. |
Logon_ID HexInt64 | [Subject] Logon ID. |
Key_Identifier UnicodeString | [Key Information] Key Identifier. |
Recovery_Server UnicodeString | [Key Information] Recovery Server. |
Recovery_Key_ID UnicodeString | [Key Information] Recovery Key ID. |
Status_Code HexInt32 | [Status Information] Status Code. |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Security-Auditing",
"guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
"event_source_name": "",
"event_id": 4692,
"version": 0,
"level": 0,
"task": 13314,
"opcode": 0,
"keywords": 9232379236109516800,
"time_created": "2026-03-14T16:30:04.309269+00:00",
"event_record_id": 2554242,
"correlation": {
"ActivityID": "0375AF68-73B8-434A-AE18-9AF03149A7A2"
},
"execution": {
"process_id": 1092,
"thread_id": 4244
},
"channel": "Security",
"computer": "LAB-WIN11.ludus.domain",
"security": {
"user_id": ""
}
},
"event_data": {
"SubjectUserSid": "S-1-5-21-1006758700-2167138679-1475694448-1105",
"SubjectUserName": "domainadmin",
"SubjectDomainName": "ludus",
"SubjectLogonId": "0x1470e85",
"MasterKeyId": "0bb6fb5d-7c2d-44b7-8df0-e4526299350b",
"RecoveryServer": "",
"RecoveryKeyId": "fed516d7-c48c-48e4-8eb3-77f6590ccb36",
"FailureReason": "0x0"
},
"message": ""
}
Community Notes #
Backup of a user/computer master key to the DC, rarely seen after first logon. Several events may indicate key theft or mass profile creation.
Detection Rules #
View all rules referencing this event →
Sigma # view in reference
- DPAPI Domain Master Key Backup Attempt source medium: Detects anyone attempting a backup for the DPAPI Master Key. This events gets generated at the source and not the Domain Controller.
References #
- Microsoft Learn https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4692
- Microsoft Learn Audit Policy https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/audit-dpapi-activity
- Ultimate Windows Security https://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventid=4692