credential_access_systemkey_dumping.toml

[metadata]
creation_date = "2020/01/07"
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 = """
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. Adversaries may collect the
keychain storage data from a system to acquire credentials.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License v2"
name = "SystemKey Access via Command Line"
references = ["https://github.com/AlessandroZ/LaZagne/blob/master/Mac/lazagne/softwares/system/chainbreaker.py"]
risk_score = 73
rule_id = "d75991f2-b989-419d-b797-ac1e54ec2d61"
severity = "high"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Credential Access"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.category:process and host.os.type:macos and event.type:(start or process_started) and
  process.args:("/private/var/db/SystemKey" or "/var/db/SystemKey")
'''


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