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>
55 lines
1.5 KiB
TOML
55 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2023/08/24"
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integration = ["endpoint", "auditd_manager"]
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maturity = "production"
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updated_date = "2025/12/24"
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[rule]
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author = ["Elastic"]
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description = """
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Identify activity related where adversaries can include a trap command which then allows programs and shells to specify
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commands that will be executed upon receiving interrupt signals.
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"""
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from = "now-9m"
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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 = "Trap Signals Execution"
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risk_score = 21
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rule_id = "cf6995ec-32a9-4b2d-9340-f8e61acf3f4e"
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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: Privilege Escalation",
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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 == "trap" and process.args : "SIG*"
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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 = "T1546"
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name = "Event Triggered Execution"
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reference = "https://attack.mitre.org/techniques/T1546/"
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[[rule.threat.technique.subtechnique]]
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id = "T1546.005"
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name = "Trap"
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reference = "https://attack.mitre.org/techniques/T1546/005/"
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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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