lateral_movement_vpn_connection_attempt.toml

[metadata]
creation_date = "2020/01/25"
maturity = "production"
updated_date = "2022/03/31"

[rule]
author = ["Elastic"]
description = "Identifies the execution of macOS built-in commands to connect to an existing Virtual Private Network (VPN)."
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Virtual Private Network Connection Attempt"
note = """## Config

If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
"""
references = [
    "https://github.com/rapid7/metasploit-framework/blob/master/modules/post/osx/manage/vpn.rb",
    "https://www.unix.com/man-page/osx/8/networksetup/",
    "https://superuser.com/questions/358513/start-configured-vpn-from-command-line-osx",
]
risk_score = 21
rule_id = "15dacaa0-5b90-466b-acab-63435a59701a"
severity = "low"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Lateral Movement"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where event.type in ("start", "process_started") and
  (
    (process.name : "networksetup" and process.args : "-connectpppoeservice") or
    (process.name : "scutil" and process.args : "--nc" and process.args : "start") or
    (process.name : "osascript" and process.command_line : "osascript*set VPN to service*")
  )
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1021"
name = "Remote Services"
reference = "https://attack.mitre.org/techniques/T1021/"


[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"