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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Python Script Execution via Command Line

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Python Script Execution via Command Line

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Identifies when a Python script is executed using command line input and imports the sys module. Attackers often use this method to execute malicious scripts and avoiding writing it to disk.

Rule type: eql

Rule indices:

auditbeat-*
logs-endpoint.events.*

Severity: medium

Risk score: 47

Runs every: 5m

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

Maximum alerts per execution: 100

References: None

Tags:

Domain: Endpoint
OS: Linux
OS: macOS
OS: Windows
Use Case: Threat Detection
Tactic: Execution
Data Source: Elastic Defend

Version: 1

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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process where event.type in ("start", "process_started") and
 process.name : "python*" and process.args : "-c" and process.args : "*import*sys*"

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
Sub-technique:
- Name: Python
- ID: T1059.006
- Reference URL: https://attack.mitre.org/techniques/T1059/006/
Sub-technique:
- Name: Windows Command Shell
- ID: T1059.003
- Reference URL: https://attack.mitre.org/techniques/T1059/003/

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