Ruben Groenewoud
f9a652ff78
* [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
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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
(cherry picked from commit 7a0967924c)
59 lines
1.7 KiB
TOML
59 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2023/07/10"
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integration = ["endpoint", "auditd_manager"]
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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 the use of built-in tools which adversaries may use to enumerate the system owner/user of a compromised
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system.
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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-*", "auditbeat-*", "logs-auditd_manager.auditd-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "System Owner/User Discovery Linux"
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risk_score = 21
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rule_id = "bf8c007c-7dee-4842-8e9a-ee534c09d205"
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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: Discovery",
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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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"Data Source: Auditd Manager"
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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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process where event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started") and
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process.name : ("whoami", "w", "who", "users", "id")
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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 = "T1033"
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name = "System Owner/User Discovery"
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reference = "https://attack.mitre.org/techniques/T1033/"
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[[rule.threat.technique]]
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id = "T1069"
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name = "Permission Groups Discovery"
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reference = "https://attack.mitre.org/techniques/T1069/"
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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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