Arbitrary Python Code Execution via Nodejs

[rule]
description = "Detects the execution of arbitrary Python code via Nodejs."
id = "f8ec483c-dc3b-4d60-b863-65f61b4d382e"
license = "Elastic License v2"
name = "Arbitrary Python Code Execution via Nodejs"
os_list = ["macos"]
reference = ["https://jp.security.ntt/tech_blog/contagious-interview-ottercookie"]
version = "1.0.5"

query = '''
process where event.type == "start" and event.action == "exec" and process.name like~ "python*" and process.args == "-c" and 
 (process.parent.name == "node" or process.Ext.effective_parent.name == "node") and
 process.command_line : ("*os.system*", "*subprocess.run*", "*subprocess.Popen*", "*exec(*", "*eval(*")
'''

min_endpoint_version = "8.10.2"
optional_actions = []
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[actions]]
action = "kill_process"
field = "process.parent.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[threat.technique.subtechnique]]
id = "T1059.006"
name = "Python"
reference = "https://attack.mitre.org/techniques/T1059/006/"



[threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"

[internal]
min_endpoint_version = "8.10.2"