Justin Ibarra
97ee8cc9ac
* Refresh beats and ecs schemas and default to use latest to validate * remove incorrect ecs_version from zoom rule * remove stale ecs_version from rules
45 lines
1.3 KiB
TOML
45 lines
1.3 KiB
TOML
[metadata]
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creation_date = "2020/08/14"
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maturity = "production"
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updated_date = "2020/11/03"
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[rule]
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author = ["Elastic"]
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description = """
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Adversaries may collect the keychain storage data from a system to acquire credentials. Keychains are the built-in way
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for macOS to keep track of users' passwords and credentials for many services and features such as WiFi passwords,
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websites, secure notes, certificates, and Kerberos.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License"
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name = "Compression of Keychain Credentials Directories"
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references = ["https://objective-see.com/blog/blog_0x25.html"]
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risk_score = 73
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rule_id = "96e90768-c3b7-4df6-b5d9-6237f8bc36a8"
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severity = "high"
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tags = ["Elastic", "Host", "macOS", "Threat Detection", "Credential Access"]
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and
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process.name:(zip or tar or gzip or 7za or hdiutil) and
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process.args:("/Library/Keychains/" or "/Network/Library/Keychains/" or "~/Library/Keychains/")
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1142"
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name = "Keychain"
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reference = "https://attack.mitre.org/techniques/T1142/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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