51 lines
1.9 KiB
TOML
51 lines
1.9 KiB
TOML
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[metadata]
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creation_date = "2023/07/25"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/07/25"
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[rule]
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author = ["Elastic"]
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description = """
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This rule monitors for the usage of Docker runtime sockets to escalate privileges on Linux systems. Docker sockets by
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default are only be writable by the root user and docker group. Attackers that have permissions to write to these
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sockets may be able to create and run a container that allows them to escalate privileges and gain further access onto
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the host file system.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential Privilege Escalation through Writable Docker Socket"
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references = ["https://book.hacktricks.xyz/linux-hardening/privilege-escalation/docker-security/docker-breakout-privilege-escalation#automatic-enumeration-and-escape"]
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risk_score = 47
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rule_id = "7acb2de3-8465-472a-8d9c-ccd7b73d0ed8"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Privilege Escalation", "Domain: Container"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
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(
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(process.name == "docker" and process.args : "run" and process.args : "-it" and
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process.args : ("unix://*/docker.sock", "unix://*/dockershim.sock")) or
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(process.name == "socat" and process.args : ("UNIX-CONNECT:*/docker.sock", "UNIX-CONNECT:*/dockershim.sock"))
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) and not user.Ext.real.id : "0" and not group.Ext.real.id : "0"
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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 = "T1611"
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name = "Escape to Host"
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reference = "https://attack.mitre.org/techniques/T1611/"
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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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