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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Sublime Plugin or Application Script Modification

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Sublime Plugin or Application Script Modification

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Adversaries may create or modify the Sublime application plugins or scripts to execute a malicious payload each time the Sublime application is started.

Rule type: eql

Rule indices:

auditbeat-*
logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://posts.specterops.io/persistent-jxa-66e1c3cd1cf5

Tags:

Elastic
Host
macOS
Threat Detection
Persistence

Version: 101

Rule authors:

Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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file where event.type in ("change", "creation") and file.extension : "py" and
  file.path :
    (
      "/Users/*/Library/Application Support/Sublime Text*/Packages/*.py",
      "/Applications/Sublime Text.app/Contents/MacOS/sublime.py"
    ) and
  not process.executable :
    (
      "/Applications/Sublime Text*.app/Contents/*",
      "/usr/local/Cellar/git/*/bin/git",
      "/Library/Developer/CommandLineTools/usr/bin/git",
      "/usr/libexec/xpcproxy",
      "/System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/Resources/DesktopServicesHelper"
    )

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Compromise Client Software Binary
- ID: T1554
- Reference URL: https://attack.mitre.org/techniques/T1554/

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