The SIEM app is now a part of the Elastic Security solution.
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Modification of Boot Configuration
editModification of Boot Configuration
editIdentifies 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-*
- logs-endpoint.events.*
Severity: low
Risk score: 21
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Windows
Version: 3 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 7.9.1
Rule authors: Elastic
Rule license: Elastic License
Rule query
editevent.category:process and event.type:(start or process_started) and process.name:bcdedit.exe and process.args:(/set and (bootstatuspolicy and ignoreallfailures or no and recoveryenabled))
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: File Deletion
- ID: T1107
- Reference URL: https://attack.mitre.org/techniques/T1107/
Rule version history
edit- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:bcdedit.exe and process.args:(/set and (bootstatuspolicy and ignoreallfailures or no and recoveryenabled))
-