IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
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-*
- 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
- Host
- Windows
- Threat Detection
- Defense Evasion
Version: 7 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.11.2
Rule authors: Elastic
Rule license: Elastic License
Rule queryedit
event.category:process and event.type:(start or process_started) 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: Indicator Removal on Host
- ID: T1070
- Reference URL: https://attack.mitre.org/techniques/T1070/
Rule version historyedit
- Version 7 (7.11.2 release)
-
- Formatting only
- Version 6 (7.11.0 release)
-
- Formatting only
- Version 5 (7.10.0 release)
-
- Formatting only
- Version 4 (7.9.1 release)
-
- Formatting only
- Version 3 (7.9.0 release)
-
-
Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:fsutil.exe and process.args:(deletejournal and usn)
-
- 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")
-