detection.wiki

Microsoft-Windows-Security-Auditing › Event 4870

Event ID 4870 — Certificate Services revoked a certificate.

Provider
Microsoft-Windows-Security-Auditing
Channel
Security
Audit Policy
Object Access → Certification Services
Collection Priority
Recommended (NSA, others)
Opcode
Info

Description

Certificate Services revoked a certificate.

Message #

Certificate Services revoked a certificate.
	
Serial Number: %1
Reason: %2

Fields #

NameDescription
CertificateSerialNumber UnicodeStringSerial Number
RevocationReason UnicodeStringReason
SubjectUserSid SID—
SubjectUserName UnicodeString—
SubjectDomainName UnicodeString—
SubjectLogonId HexInt64—
Serial_Number—
Reason—

Example Event #

{
  "system": {
    "provider": "Microsoft-Windows-Security-Auditing",
    "guid": "54849625-5478-4994-A5BA-3E3B0328C30D",
    "event_source_name": "",
    "event_id": 4870,
    "version": 0,
    "level": 0,
    "task": 12805,
    "opcode": 0,
    "keywords": 9232379236109516800,
    "time_created": "2026-03-13T23:33:19.492410+00:00",
    "event_record_id": 16716905,
    "correlation": {
      "ActivityID": "0D26E79C-B333-0001-07E8-260D33B3DC01"
    },
    "execution": {
      "process_id": 936,
      "thread_id": 10484
    },
    "channel": "Security",
    "computer": "LAB-DC01.ludus.domain",
    "security": {
      "user_id": ""
    }
  },
  "event_data": {
    "CertificateSerialNumber": "610000002bdea5d59e7a0734f300000000002b",
    "RevocationReason": "1",
    "SubjectUserSid": "S-1-5-21-1006758700-2167138679-1475694448-1105",
    "SubjectUserName": "domainadmin",
    "SubjectDomainName": "ludus",
    "SubjectLogonId": "0xbefec"
  },
  "message": ""
}

References #