Ruben Groenewoud
716b621af2
* [New Rule] Potential Sudo Hijacking Detected * Update privilege_escalation_sudo_hijacking.toml
62 lines
1.9 KiB
TOML
62 lines
1.9 KiB
TOML
[metadata]
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creation_date = "2023/07/26"
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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 = "2023/07/26"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the creation of a sudo binary located at /usr/bin/sudo. Attackers may hijack the default sudo binary and
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replace it with a custom binary or script that can read the user's password in clear text to escalate privileges or
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enable persistence onto the system every time the sudo binary is executed.
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"""
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from = "now-9m"
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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 = "Potential Sudo Hijacking Detected"
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references = ["https://eapolsniper.github.io/2020/08/17/Sudo-Hijacking/"]
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risk_score = 47
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rule_id = "88fdcb8c-60e5-46ee-9206-2663adf1b1ce"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Privilege Escalation", "Tactic: Persistence", "Data Source: Elastic Endgame"]
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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 event.type in ("creation", "file_create_event") and file.path == "/usr/bin/sudo"
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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.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1574"
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name = "Hijack Execution Flow"
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reference = "https://attack.mitre.org/techniques/T1574/"
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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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