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Elastic Docs ›SIEM Guide [7.8] ›Detections (beta) ›Prebuilt rule reference

Modification of Boot Configuration

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Modification of Boot Configuration

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Identifies use of bcdedit.exe to delete boot configuration data. Malware and attackers sometimes use this tactic as a destructive technique.

Rule type: query

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Windows

Version: 1

Added (Elastic Stack release): 7.7.0

Rule query

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event.action:"Process Create (rule: ProcessCreate)" and
process.name:bcdedit.exe and process.args:(/set and (bootstatuspolicy
and ignoreallfailures or no and recoveryenabled))

Threat mapping

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Framework: MITRE ATT&CKTM

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