Justin Ibarra
c1a0438f45
* replaced/removed all revoked/deprecated techniques * tests will fail on revoked (changed) techniques * tests will fail on deprecated techniques * tests will fail when techniques are mapped to an invalid tactic
49 lines
1.5 KiB
TOML
49 lines
1.5 KiB
TOML
[metadata]
|
|
creation_date = "2020/08/14"
|
|
maturity = "production"
|
|
updated_date = "2020/12/09"
|
|
|
|
[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, certificates, and Kerberos.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "kuery"
|
|
license = "Elastic License"
|
|
name = "Compression of Keychain Credentials Directories"
|
|
references = ["https://objective-see.com/blog/blog_0x25.html"]
|
|
risk_score = 73
|
|
rule_id = "96e90768-c3b7-4df6-b5d9-6237f8bc36a8"
|
|
severity = "high"
|
|
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Credential Access"]
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:process and event.type:(start or process_started) and
|
|
process.name:(zip or tar or gzip or 7za or hdiutil) and
|
|
process.args:("/Library/Keychains/" or "/Network/Library/Keychains/" or "~/Library/Keychains/")
|
|
'''
|
|
|
|
|
|
[[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/"
|
|
|