credential_access_promt_for_pwd_via_osascript.toml

[metadata]
creation_date = "2020/11/16"
maturity = "production"
updated_date = "2022/03/31"

[rule]
author = ["Elastic"]
description = """
Identifies the use of osascript to execute scripts via standard input that may prompt a user with a rogue dialog for
credentials.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Prompt for Credentials with OSASCRIPT"
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/EmpireProject/EmPyre/blob/master/lib/modules/collection/osx/prompt.py",
    "https://ss64.com/osx/osascript.html",
]
risk_score = 73
rule_id = "38948d29-3d5d-42e3-8aec-be832aaaf8eb"
severity = "high"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Credential Access"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where event.type in ("start", "process_started") and process.name : "osascript" and
 process.command_line : "osascript*display dialog*password*"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1056"
name = "Input Capture"
reference = "https://attack.mitre.org/techniques/T1056/"
[[rule.threat.technique.subtechnique]]
id = "T1056.002"
name = "GUI Input Capture"
reference = "https://attack.mitre.org/techniques/T1056/002/"



[rule.threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"