Samirbous
ef01430ab0
* [Rule Tuning] Access to Keychain Credentials Directories * linted * renmaed rule filename * added keychain filenames added filenames in case of exec from keychain working directory * extra reference * Update rules/macos/credential_access_credentials_keychains.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update credential_access_credentials_keychains.toml * 2021 Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-authored-by: Brent Murphy <bmurphy@endgame.com>
59 lines
1.6 KiB
TOML
59 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2020/08/14"
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maturity = "production"
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updated_date = "2021/01/04"
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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 and certificates.
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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 = "eql"
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license = "Elastic License"
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name = "Access to Keychain Credentials Directories"
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references = [
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"https://objective-see.com/blog/blog_0x25.html",
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"https://securelist.com/calisto-trojan-for-macos/86543/",
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]
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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 = "eql"
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query = '''
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process where event.type in ("start", "process_started") and
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process.args :
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(
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"/Users/*/Library/Keychains/*",
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"/Library/Keychains/*",
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"/Network/Library/Keychains/*",
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"System.keychain",
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"login.keychain-db",
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"login.keychain"
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)
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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 = "T1555"
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name = "Credentials from Password Stores"
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reference = "https://attack.mitre.org/techniques/T1555/"
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[[rule.threat.technique.subtechnique]]
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id = "T1555.001"
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name = "Keychain"
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reference = "https://attack.mitre.org/techniques/T1555/001/"
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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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