Monitoring specific Windows Event Viewer codes is crucial for effective cyber defense. Here are some common event codes and their descriptions:
- Event ID 1102: This event is logged when the audit log is cleared. It's a critical event to monitor because attackers often clear logs to cover their tracks.
- Event ID 4670: This event indicates that permissions on an object were changed. Monitoring this event helps detect unauthorized changes to critical files or settings.
- Event ID 4672: This event is logged when special privileges are assigned to a new logon. It's important to monitor this event to detect potential privilege escalation attempts.
- Event ID 4720: This event is logged when a new user account is created. Monitoring this event helps detect unauthorized account creation.
- Event ID 4624: This event indicates a successful logon. It's useful for tracking user activity and detecting unusual logon patterns.
- Event ID 4625: This event indicates a failed logon attempt. Monitoring this event helps detect potential brute-force attacks.
- Event ID 4688: This event is logged when a new process is created. It's useful for detecting the execution of potentially malicious processes.
- Event ID 4776: This event indicates that the domain controller attempted to validate the credentials for an account. Monitoring this event helps detect potential credential validation issues