Mika Ayenson
71 lines
2.1 KiB
TOML
71 lines
2.1 KiB
TOML
[metadata]
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creation_date = "2020/12/07"
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maturity = "production"
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updated_date = "2022/07/27"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies execution of the security_authtrampoline process via a scripting interpreter. This occurs when programs use
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AuthorizationExecute-WithPrivileges from the Security.framework to run another program with root privileges. It should
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not be run by itself, as this is a sign of execution with explicit logon credentials.
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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 v2"
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name = "Execution with Explicit Credentials via Scripting"
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references = [
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"https://objectivebythesea.com/v2/talks/OBTS_v2_Thomas.pdf",
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"https://www.manpagez.com/man/8/security_authtrampoline/",
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]
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risk_score = 47
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rule_id = "f0eb70e9-71e9-40cd-813f-bf8e8c812cb1"
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severity = "medium"
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tags = ["Elastic", "Host", "macOS", "Threat Detection", "Execution", "Privilege Escalation"]
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timestamp_override = "event.ingested"
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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:"security_authtrampoline" and
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process.parent.name:(osascript or com.apple.automator.runner or sh or bash or dash or zsh or python* or Python or perl* or php* or ruby or pwsh)
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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 = "T1078"
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name = "Valid Accounts"
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reference = "https://attack.mitre.org/techniques/T1078/"
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[[rule.threat.technique]]
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id = "T1548"
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name = "Abuse Elevation Control Mechanism"
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reference = "https://attack.mitre.org/techniques/T1548/"
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[[rule.threat.technique.subtechnique]]
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id = "T1548.004"
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name = "Elevated Execution with Prompt"
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reference = "https://attack.mitre.org/techniques/T1548/004/"
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[rule.threat.tactic]
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id = "TA0004"
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name = "Privilege Escalation"
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reference = "https://attack.mitre.org/tactics/TA0004/"
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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 = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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