Mika Ayenson
b80d8342d6
* [Docs | Rule Tuning] Add blog references to rules * Apply suggestions from code review Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com> * Apply suggestions from code review * Update google_workspace blog references * add okta blog references * Update dates --------- Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
66 lines
1.8 KiB
TOML
66 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2020/04/13"
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integration = ["endpoint"]
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maturity = "production"
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updated_date = "2024/09/23"
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[rule]
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author = ["Elastic"]
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description = """
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A sudoers file specifies the commands that users or groups can run and from which terminals. Adversaries can take
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advantage of these configurations to execute commands as other users or spawn processes with higher privileges.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Sudoers File Modification"
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references = ["https://www.elastic.co/security-labs/primer-on-persistence-mechanisms"]
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risk_score = 47
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rule_id = "931e25a5-0f5e-4ae0-ba0d-9e94eff7e3a4"
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severity = "medium"
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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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]
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timestamp_override = "event.ingested"
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type = "new_terms"
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query = '''
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event.category:file and event.type:change and file.path:(/etc/sudoers* or /private/etc/sudoers*) and
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not process.name:(dpkg or platform-python or puppet or yum or dnf) and
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not process.executable:(/opt/chef/embedded/bin/ruby or /opt/puppetlabs/puppet/bin/ruby or /usr/bin/dockerd)
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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 = "T1548"
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name = "Abuse Elevation Control Mechanism"
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reference = "https://attack.mitre.org/techniques/T1548/"
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[[rule.threat.technique.subtechnique]]
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id = "T1548.003"
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name = "Sudo and Sudo Caching"
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reference = "https://attack.mitre.org/techniques/T1548/003/"
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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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[rule.new_terms]
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field = "new_terms_fields"
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value = ["host.id", "process.executable", "file.path"]
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[[rule.new_terms.history_window_start]]
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field = "history_window_start"
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value = "now-7d"
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