Any idea how I might be able to track down what is trying to log on as administrator and creating security events (see below) - this has started to occur since I changed my admin password. I have checked services, backup and Task Scheduler.
Here are the details -
User Name Administrator
Client IP Address 127.0.0.1
Client Host Name UKHARINF01.<domain~>
Domain Controller UKHARINF01.<domain~>
Logon Time Jan 20,2014 09:43:28 AM
Event Type Failure
Failure Reason Bad password
Remarks Kerberos pre-authentication failed.
Logon Service krbtgt/<domain~>
Event Number 4771
Event Code 16
Failure Code 0x18
Record Number 94545929
security: failure - 2014/01/20 12:13:15 - Microsoft-Windows-Security-Auditing (4771) - n/a
"Kerberos pre-authentication failed. Account Information: Security ID: S-1-5-21-3277633608-390278033-2812492099-500
Account Name: Administrator Service Information:
Service Name: krbtgt/<domain~> Network Information: Client Address: ::1
Client Port: 0 Additional Information: Ticket Options: 0x40810010 Failure Code:
0x18 Pre-Authentication Type: 2 Certificate Information: Certificate Issuer
Name: Certificate Serial Number: Certificate Thumbprint: Certificate information
is only provided if a certificate was used for pre-authentication. Pre-authentication
types, ticket options and failure codes are defined in RFC 4120. If the
ticket was malformed or damaged during transit and could not be decrypted, then
many fields in this event might not be present."
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