Windows task scheduler event id

Here is a list of the most common Event IDs in the History tab for Windows Scheduled Tasks.

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Windows Event Logs mindmap provides a simplified view of Windows Event logs and their capacities that enables defenders to enhance visibility for different purposes:

• Log collection (eg: into a SIEM)
• Threat hunting
• Forensic / DFIR
• Troubleshooting

Scheduled tasks:

• Event ID 4697 , This event generates when new service was installed in the system.
• Event ID 106, This event is logged when the user registered the Task Scheduler task.
• Event ID 4702, This event generates when scheduled task was updated.
• Event ID 140,This event is logged when the time service has stopped advertising as a time source because the local machine is not an Active Directory Domain Controller.

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• Event ID 4699, A scheduled task was deleted.
• Event ID 141, The time service has stopped advertising as a time source because there are no providers running.
• Event ID 201, This event is logged when the task scheduler successfully completed the task.

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Services:

• Event ID 4697,A service was installed in the system.
• Event ID 7045,Created when new services are created on the local Windows machine.
• Event ID 7034,The service terminated unexpectedly.
• Event ID 7036,The Windows Firewall/Internet Connection Sharing (ICS) service entered the stopped state or , The Print Spooler service entered the running state.
• Event ID 7040, The start type of the IPSEC services was chnaged from disabled to auto start.

Event Log Manipulation:

• Event ID 1102, Whenever Windows Security audit log is cleared, event ID 1102 is logged.
• Event ID 104 , This event is logged when the log file was cleared.

Authentication:

• Event ID 4776, The domain controller attempted to validate the credentials for an account.
• Event ID 4771,This event is logged on domain controllers only and only failure instances of this event are logged ( Kerberos pre-authentication failed ).
• Event ID 4768, This event is logged on domain controllers only and both success and failure instances of this event are logged ( A Kerberos authentication ticket TGT ) was requested.
• Event ID 4769,Windows uses this event ID for both successful and failed service ticket requests ( A Kerberos service ticket was requested ).

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Sessions:

• Event ID 4624 ,An account was successfully logged on.
• Event ID 4625, An account failed to log on.
• Event ID 4634 + 4647 , User initiated logoff/An account was logged off
• Event ID 4648, A logon was attempted using explicit credentials
• Event ID 4672,Special privileges assigned to new logon

Account Management:

• Event ID 4720, A user account was created
• Event ID 4722, A user account was enabled
• Event ID 4724, An attempt was made to reset an accounts password
• Event ID 4728/4732/4756, group membership changes.

Network Shares:

• Event ID 5140,A network share object was accessed
• Event ID 5145, Network share object was checked to see whether client can be granted desired access.

Also Read: Threat Hunting with EventID 5145 – Object Access – Detailed File Share