Sunday, October 6, 2019

Event ID 4743 - A computer account was deleted

Event ID 4743 - A computer account was deleted
Log Sample
{
 "EventTime": "2017/11/17 04:04:12"
 "Hostname": "CIVDCS-ADC1.changeme.com"
 "Keywords": -9214364837600034816
 "EventType": "AUDIT_SUCCESS"
 "SeverityValue": 2
 "Severity": "INFO"
 "EventID": 4743
 "SourceName": "Microsoft-Windows-Security-Auditing"
 "ProviderGuid": "{54849625-5478-4994-A5BA-3E3B0328C30D}"
 "Version": 0
 "Task": 13825
 "OpcodeValue": 0
 "RecordNumber": 57853551
 "ProcessID": 528
 "ThreadID": 1208
 "Channel": "Security"
 "Message": "A computer account was deleted."
 "Category": "Computer Account Management"
 "Opcode": "Info"
 "TargetUserName": "CIVVMI-SAGE01$"
 "TargetDomainName": "changeme"
 "TargetSid": "S-1-5-21-1210427511-1310429627-2740863702-32935"
 "SubjectUserSid": "S-1-5-21-1210427511-1310429627-2740863702-1123"
 "SubjectUserName": "ChrisR_ADMIN"
 "SubjectDomainName": "changeme"
 "SubjectLogonId": "0x5fa803"
 "PrivilegeList": "-"
 "EventReceivedTime": "2017/11/17 04:04:12"
 "SourceModuleName": "wineventlog_in"
 "SourceModuleType": "im_msvistalog"
}

Detail Description

Subject:

  • Security ID: SID of account that requested the “create Computer object” operation. 
  • Account Name: the name of the account that requested the “create Computer object” operation.
  • Account Domain: subject’s domain name. Formats vary, and include the following:
Domain NETBIOS name example: CONTOSO
Lowercase full domain name: contoso.local
Uppercase full domain name: CONTOSO.LOCAL

For some well-known security principals, such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is “NT AUTHORITY”.
  • Logon ID: hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID, for example, “4624: An account was successfully logged on.”
Computer Account (Target):
  • Security ID: SID of created computer account.
  • Account Name: the name of the computer account that was created. For example: WIN81$
  • Account Domain: domain name of created computer account. Formats vary, and include the following:
Domain NETBIOS name example: CONTOSO
Lowercase full domain name: contoso.local
Uppercase full domain name: CONTOSO.LOCAL

Additional Information:
  • Privileges: the list of user privileges which were used during the operation, for example, SeBackupPrivilege. This parameter might not be captured in the event, and in that case appears as “-”.

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