IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Peripheral Device Discovery

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Peripheral Device Discovery

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Identifies use of the Windows file system utility (fsutil.exe ) to gather information about attached peripheral devices and components connected to a computer system.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

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

Maximum alerts per execution: 100

Tags:

Elastic
Host
Windows
Threat Detection
Discovery

Version: 2 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.11.2

Rule authors: Elastic

Rule license: Elastic License

Rule query

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process where event.type in ("start", "process_started") and
(process.name : "fsutil.exe" or process.pe.original_file_name ==
"fsutil.exe") and process.args : "fsinfo" and process.args :
"drives"

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: Peripheral Device Discovery
- ID: T1120
- Reference URL: https://attack.mitre.org/techniques/T1120/

Rule version history

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Version 2 (7.11.2 release)

Formatting only

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