MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Python Spawning Pretty TTY on Windows
id: 480e7e51-e797-47e3-8d72-ebfce65b6d8d
related:
- id: 899133d5-4d7c-4a7f-94ee-27355c879d90
type: derived
status: test
description: Detects python spawning a pretty tty
references:
- https://www.volexity.com/blog/2022/06/02/zero-day-exploitation-of-atlassian-confluence/
author: Nextron Systems
date: 2022-06-03
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith:
- 'python.exe' # no \ bc of e.g. ipython.exe
- 'python3.exe'
- 'python2.exe'
selection_cli_1:
CommandLine|contains|all:
- 'import pty'
- '.spawn('
selection_cli_2:
CommandLine|contains: 'from pty import spawn'
condition: selection_img and 1 of selection_cli_*
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selection_img and 1 of selection_cli_*Stage 1: selection_img
selection_img:
Image|endswith:
- 'python.exe'
- 'python3.exe'
- 'python2.exe'
Stage 2: selection_cli_1
selection_cli_1:
CommandLine|contains|all:
- 'import pty'
- '.spawn('
Stage 3: selection_cli_2
selection_cli_2:
CommandLine|contains: 'from pty import spawn'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with |