credential_access_keychain_pwd_retrieval_security_cmd.toml

[metadata]
creation_date = "2020/01/06"
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 = """
Adversaries may collect keychain storage data from a system to in order to acquire credentials. Keychains are the
built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi
and website passwords, secure notes, certificates, and Kerberos.
"""
false_positives = ["Applications for password management."]
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Keychain Password Retrieval via Command Line"
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://www.netmeister.org/blog/keychain-passwords.html",
    "https://github.com/priyankchheda/chrome_password_grabber/blob/master/chrome.py",
    "https://ss64.com/osx/security.html",
    "https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/",
]
risk_score = 73
rule_id = "9092cd6c-650f-4fa3-8a8a-28256c7489c9"
severity = "high"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Credential Access"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where host.os.type == "macos" and event.type == "start" and
 process.name : "security" and process.args : "-wa" and process.args : ("find-generic-password", "find-internet-password") and
 process.args : ("Chrome*", "Chromium", "Opera", "Safari*", "Brave", "Microsoft Edge", "Edge", "Firefox*") and
 not process.parent.executable : "/Applications/Keeper Password Manager.app/Contents/Frameworks/Keeper Password Manager Helper*/Contents/MacOS/Keeper Password Manager Helper*"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1555"
name = "Credentials from Password Stores"
reference = "https://attack.mitre.org/techniques/T1555/"
[[rule.threat.technique.subtechnique]]
id = "T1555.001"
name = "Keychain"
reference = "https://attack.mitre.org/techniques/T1555/001/"


[[rule.threat.technique]]
id = "T1555"
name = "Credentials from Password Stores"
reference = "https://attack.mitre.org/techniques/T1555/"
[[rule.threat.technique.subtechnique]]
id = "T1555.003"
name = "Credentials from Web Browsers"
reference = "https://attack.mitre.org/techniques/T1555/003/"



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