Files
sigma-rules/rules/macos/credential_access_credentials_keychains.toml
T
brokensound77 a77bd6178f Merge remote-tracking branch 'upstream/7.11' into merge-7.11-to-7.12
# Conflicts:
#	rules/linux/privilege_escalation_setgid_bit_set_via_chmod.toml
2021-02-17 14:11:50 -09:00

60 lines
1.6 KiB
TOML

[metadata]
creation_date = "2020/08/14"
maturity = "production"
updated_date = "2021/02/16"
[rule]
author = ["Elastic"]
description = """
Adversaries may collect the keychain storage data from a system to acquire credentials. Keychains are the built-in way
for macOS to keep track of users' passwords and credentials for many services and features such as WiFi passwords,
websites, secure notes and certificates.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License"
name = "Access to Keychain Credentials Directories"
references = [
"https://objective-see.com/blog/blog_0x25.html",
"https://securelist.com/calisto-trojan-for-macos/86543/",
]
risk_score = 73
rule_id = "96e90768-c3b7-4df6-b5d9-6237f8bc36a8"
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.args :
(
"/Users/*/Library/Keychains/*",
"/Library/Keychains/*",
"/Network/Library/Keychains/*",
"System.keychain",
"login.keychain-db",
"login.keychain"
)
'''
[[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/"