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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Persistent Scripts in the Startup Directory

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Persistent Scripts in the Startup Directory

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Identifies script engines creating files in the startup folder, or the creation of script files in the startup folder.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

Severity: medium

Risk score: 47

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
Persistence

Version: 3 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

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file where event.type != "deletion" and user.domain != "NT AUTHORITY"
and /* detect shortcuts created by wscript.exe or cscript.exe */
(file.path : "C:\\*\\Programs\\Startup\\*.lnk" and process.name :
("wscript.exe", "cscript.exe")) or /* detect vbs or js files
created by any process */ file.path :
("C:\\*\\Programs\\Startup\\*.vbs",
"C:\\*\\Programs\\Startup\\*.vbe",
"C:\\*\\Programs\\Startup\\*.wsh",
"C:\\*\\Programs\\Startup\\*.wsf",
"C:\\*\\Programs\\Startup\\*.js")

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Boot or Logon Autostart Execution
- ID: T1547
- Reference URL: https://attack.mitre.org/techniques/T1547/

Rule version history

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Version 3 (7.12.0 release)

Formatting only

Version 2 (7.11.2 release)

Formatting only

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