The SIEM app is now a part of the Elastic Security solution.
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IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
Delete Volume USN Journal with Fsutiledit
Identifies use of the fsutil.exe to delete the USNJRNL volume. This
technique is used by attackers to eliminate evidence of files created during
post-exploitation activities.
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: 2 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.7.0
Rule queryedit
event.action:"Process Create (rule: ProcessCreate)" and process.name:fsutil.exe and process.args:(deletejournal and usn)
Threat mappingedit
Framework: 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 historyedit
- Version 2 (7.7.0 release)
-
Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:"fsutil.exe" and process.args:("usn" and "deletejournal")