Shell via NetworkManager Dispatcher Script

[rule]
description = """
This rule detects a shell being spawned by a NetworkManager dispatcher script. Attackers may use this method to
establish persistence on a target system whenever a network action is triggered.
"""
id = "e8d8eb78-d6aa-456f-a24e-c073026f7809"
license = "Elastic License v2"
name = "Shell via NetworkManager Dispatcher Script"
os_list = ["linux"]
version = "1.0.3"

query = '''
process where event.type == "start" and event.action == "exec" and
process.parent.executable like "/etc/NetworkManager/dispatcher.d/*" and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish")
'''

min_endpoint_version = "7.15.0"
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 = "T1059.004"
name = "Unix Shell"
reference = "https://attack.mitre.org/techniques/T1059/004/"



[threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1071"
name = "Application Layer Protocol"
reference = "https://attack.mitre.org/techniques/T1071/"


[threat.tactic]
id = "TA0011"
name = "Command and Control"
reference = "https://attack.mitre.org/tactics/TA0011/"

[internal]
min_endpoint_version = "7.15.0"