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MediumSigmaHQFlorian Roth (Nextron Systems)

Eventlog Cleared

One of the Windows Eventlogs has been cleared. e.g. caused by "wevtutil cl" command execution

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source service
system

Known benign triggers

  • Rollout of log collection agents (the setup routine often includes a reset of the local Eventlog)
  • System provisioning (system reset before the golden image creation)

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