Ruben Groenewoud
9f8638a004
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
63 lines
2.0 KiB
TOML
63 lines
2.0 KiB
TOML
[metadata]
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creation_date = "2023/08/30"
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integration = ["endpoint", "auditd_manager"]
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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 = "2024/03/08"
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[rule]
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author = ["Elastic"]
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description = """
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This rule monitors for potential memory dumping through gdb. Attackers may leverage memory dumping techniques to attempt
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secret extraction from privileged processes. Tools that display this behavior include "truffleproc" and
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"bash-memory-dump". This behavior should not happen by default, and should be investigated thoroughly.
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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 = "Linux Process Hooking via GDB"
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references = [
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"https://github.com/controlplaneio/truffleproc",
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"https://github.com/hajzer/bash-memory-dump"
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]
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risk_score = 21
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rule_id = "66c058f3-99f4-4d18-952b-43348f2577a0"
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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: Credential Access",
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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 host.os.type == "linux" and event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started")
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and process.name == "gdb" and process.args in ("--pid", "-p") and
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/* Covered by d4ff2f53-c802-4d2e-9fb9-9ecc08356c3f */
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process.args != "1"
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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 = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[[rule.threat.technique.subtechnique]]
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id = "T1003.007"
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name = "Proc Filesystem"
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reference = "https://attack.mitre.org/techniques/T1003/007/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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