601254488b
* [BBR Promotion] Q2 Linux BBR Promotion * Update collection_linux_clipboard_activity.toml * Update defense_evasion_creation_of_hidden_files_directories.toml
60 lines
1.7 KiB
TOML
60 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2023/07/27"
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integration = ["endpoint", "auditd_manager"]
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maturity = "production"
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updated_date = "2024/10/18"
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[rule]
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author = ["Elastic"]
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description = """
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This rule monitors for the usage of the most common clipboard utilities on unix systems by an uncommon process group
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leader. Adversaries may collect data stored in the clipboard from users copying information within or between
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applications.
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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 = "kuery"
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license = "Elastic License v2"
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name = "Linux Clipboard Activity Detected"
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risk_score = 21
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rule_id = "884e87cc-c67b-4c90-a4ed-e1e24a940c82"
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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: Collection",
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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 = "new_terms"
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query = '''
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event.category:process and host.os.type:"linux" and event.type:"start" and
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event.action:("exec" or "exec_event" or "executed" or "process_started") and
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process.name:("xclip" or "xsel" or "wl-clipboard" or "clipman" or "copyq") and
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not process.parent.name:("bwrap" or "micro")
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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 = "T1115"
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name = "Clipboard Data"
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reference = "https://attack.mitre.org/techniques/T1115/"
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[rule.threat.tactic]
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id = "TA0009"
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name = "Collection"
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reference = "https://attack.mitre.org/tactics/TA0009/"
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[rule.new_terms]
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field = "new_terms_fields"
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value = ["host.id", "process.group_leader.executable"]
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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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