Windows collects logs of every event that happens in its programs. The logs are collected and can be viewed in the event viewer.

Logs

C:\Windows\System32\winevt\Logs

Windows Logs

There are 4 categories within windows’ logs:

  1. System: Logs about drivers and system files
  2. Application: Logs generated from applications that are not included in the System category
  3. Setup: Records setup and update events
  4. Security: Security events and failed authentication events. These are incredibly common

Event Levels

  • Verbose: Extra information that may be useful in troubleshooting
  • Information: Something that suceeded
  • Warning: Events that warn of future issues
  • Error: Something went wrong
  • Critical: Unexpected behaviors like sporadic system shutdowns

Custom Views

These are log filters. If you want to make your own, then right click custom view key > Create Custom View.

Common Event Ids

  • 4624: Logon events
  • 4648: Admin logon
  • 4656: Access attempt to object is made
  • 4658: Accessing of object ended
  • 4660: Object is deleted
  • 4663: Attempt to open object (4656) is successful
  • 4698: Scheduled task created
  • 4698: Scheduled task created
  • 4699: Scheduled task deleted
  • 4700: Scheduled task enabled
  • 4701: Scheduled task disabled
  • 4702: Scheduled task updated

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