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sigma-rules/rules/linux/execution_python_tty_shell.toml
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2020-07-07 15:41:23 -06:00

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TOML

[metadata]
creation_date = "2020/04/15"
ecs_version = ["1.5.0"]
maturity = "production"
updated_date = "2020/06/25"
[rule]
author = ["Elastic"]
description = """
Identifies when a terminal (tty) is spawned via Python. Attackers may upgrade a simple reverse shell to a fully
interactive tty after obtaining initial access to a host.
"""
index = ["auditbeat-*"]
language = "kuery"
license = "Elastic License"
name = "Interactive Terminal Spawned via Python"
risk_score = 73
rule_id = "d76b02ef-fc95-4001-9297-01cb7412232f"
severity = "high"
tags = ["Elastic", "Linux"]
type = "query"
query = '''
event.category:process and event.type:(start or process_started) and process.name:python and
process.args:("import pty; pty.spawn(\"/bin/sh\")" or
"import pty; pty.spawn(\"/bin/dash\")" or
"import pty; pty.spawn(\"/bin/bash\")")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1059"
name = "Command-Line Interface"
reference = "https://attack.mitre.org/techniques/T1059/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"