Ruben Groenewoud
52 lines
1.6 KiB
TOML
52 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2023/09/04"
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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 = "2023/09/04"
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[rule]
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author = ["Elastic"]
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description = """
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This threshold rule monitors for the rapid execution of unix utilities that are capable of conducting network scans.
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Adversaries may leverage built-in tools such as ping, netcat or socat to execute ping sweeps across the network while
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attempting to evade detection or due to the lack of network mapping tools available on the compromised host.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Potential Network Scan Executed From Host"
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risk_score = 47
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rule_id = "03c23d45-d3cb-4ad4-ab5d-b361ffe8724a"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Discovery", "Data Source: Elastic Defend"]
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timestamp_override = "event.ingested"
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type = "threshold"
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query = '''
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host.os.type:linux and event.action:exec and event.type:start and
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process.name:(ping or nping or hping or hping2 or hping3 or nc or ncat or netcat or socat)
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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 = "T1046"
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name = "Network Service Discovery"
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reference = "https://attack.mitre.org/techniques/T1046/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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[rule.threshold]
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field = ["host.id", "process.parent.entity_id", "process.executable"]
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value = 1
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[[rule.threshold.cardinality]]
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field = "process.args"
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value = 100
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