The SIEM app is now a part of the Elastic Security solution.
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here to view the current documentation.
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 Fsutil
editDelete Volume USN Journal with Fsutil
editIdentifies 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 query
editevent.action:"Process Create (rule: ProcessCreate)" and process.name:fsutil.exe and process.args:(deletejournal and usn)
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 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")