Ruben Groenewoud
38e2e4766f
* [Rule Tuning] Linux DR BBR Tuning * Update discovery_getconf_execution.toml * Fix typo in process.args for dscl command * Update persistence_web_server_sus_file_creation.toml --------- Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
54 lines
1.7 KiB
TOML
54 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2023/07/11"
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integration = ["endpoint", "auditd_manager"]
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maturity = "production"
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updated_date = "2024/12/23"
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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 to read the contents of "/etc/hosts" on a local machine. Attackers may use this data
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to discover remote machines in an environment that may be used for Lateral Movement from the current system.
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"""
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from = "now-119m"
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index = ["logs-endpoint.events.*", "endgame-*", "auditbeat-*", "logs-auditd_manager.auditd-*"]
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interval = "60m"
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language = "eql"
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license = "Elastic License v2"
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name = "System Hosts File Access"
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risk_score = 21
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rule_id = "f75f65cf-ed04-48df-a7ff-b02a8bfe636e"
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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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"OS: macOS",
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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 in ("vi", "nano", "cat", "more", "less", "vim", "vim.basic", "emacs") and process.args == "/etc/hosts" and
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not ?process.working_directory in ("/opt/SolarWinds/Agent/bin/Plugins/SCM", "/opt/cohesityagent/software/crux/bin")
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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 = "T1018"
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name = "Remote System Discovery"
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reference = "https://attack.mitre.org/techniques/T1018/"
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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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