Ruben Groenewoud
7a0967924c
* [Tuning] Linux BBR Tuning - Part 2 * Update discovery_of_accounts_or_groups_via_builtin_tools.toml * Update discovery_process_discovery_via_builtin_tools.toml * Update discovery_hosts_file_access.toml * Update discovery_system_network_connections.toml --------- Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
59 lines
1.6 KiB
TOML
59 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2023/08/23"
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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 = "2024/02/22"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = """
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Identifies activity related to loading kernel modules on Linux via creation of new ko files in the LKM directory.
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"""
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from = "now-119m"
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interval = "60m"
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index = ["logs-endpoint.events.*", "endgame-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Creation of Kernel Module"
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risk_score = 21
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rule_id = "947827c6-9ed6-4dec-903e-c856c86e72f3"
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severity = "low"
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tags = [
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"Domain: Endpoint",
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"OS: Linux",
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"Use Case: Threat Detection",
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"Tactic: Persistence",
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"Rule Type: BBR",
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"Data Source: Elastic Defend",
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"Data Source: Elastic Endgame"
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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file where host.os.type == "linux" and event.type in ("change", "creation") and file.path : "/lib/modules/*" and
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file.extension == "ko" and not process.name : (
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"dpkg", "systemd", "falcon-sensor*", "dnf", "yum", "rpm", "cp"
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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 = "T1547"
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name = "Boot or Logon Autostart Execution"
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reference = "https://attack.mitre.org/techniques/T1547/"
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[[rule.threat.technique.subtechnique]]
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id = "T1547.006"
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name = "Kernel Modules and Extensions"
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reference = "https://attack.mitre.org/techniques/T1547/006/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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