[metadata]
creation_date = "2020/01/04"
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 the execution of a process with arguments pointing to known browser files that store passwords and cookies.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Access of Stored Browser Credentials"
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://securelist.com/calisto-trojan-for-macos/86543/"]
risk_score = 73
rule_id = "20457e4f-d1de-4b92-ae69-142e27a4342a"
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 in ("start", "process_started") and
  process.args :
    (
      "/Users/*/Library/Application Support/Google/Chrome/Default/Login Data",
      "/Users/*/Library/Application Support/Google/Chrome/Default/Cookies",
      "/Users/*/Library/Application Support/Google/Chrome/Profile*/Cookies",
      "/Users/*/Library/Cookies*",
      "/Users/*/Library/Application Support/Firefox/Profiles/*.default/cookies.sqlite",
      "/Users/*/Library/Application Support/Firefox/Profiles/*.default/key*.db",
      "/Users/*/Library/Application Support/Firefox/Profiles/*.default/logins.json",
      "Login Data",
      "Cookies.binarycookies",
      "key4.db",
      "key3.db",
      "logins.json",
      "cookies.sqlite"
    )
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1539"
name = "Steal Web Session Cookie"
reference = "https://attack.mitre.org/techniques/T1539/"

[[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/"