privilege_escalation_applescript_with_admin_privs.toml

[metadata]
creation_date = "2020/12/27"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"

[rule]
author = ["Elastic"]
description = """
Identifies execution of the Apple script interpreter (osascript) without a password prompt and with administrator
privileges.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Apple Scripting Execution with Administrator Privileges"
note = """## Setup

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://discussions.apple.com/thread/2266150"]
risk_score = 47
rule_id = "827f8d8f-4117-4ae4-b551-f56d54b9da6b"
severity = "medium"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Execution", "Privilege Escalation"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where host.os.type == "macos" and event.type in ("start", "process_started") and process.name : "osascript" and
  process.command_line : "osascript*with administrator privileges"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1078"
name = "Valid Accounts"
reference = "https://attack.mitre.org/techniques/T1078/"


[rule.threat.tactic]
id = "TA0004"
name = "Privilege Escalation"
reference = "https://attack.mitre.org/tactics/TA0004/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"


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