Ruben Groenewoud
020fff3aea
* [Rule Tuning] [WIP] Linux DR * Update defense_evasion_binary_copied_to_suspicious_directory.toml * Fixed tag * Added additional tuning * unit test fix * Additional tuning * tuning * added max signals * Added max_signals=1 to brute force rules * Cross-Platform Tuning * Small fix * new_terms conversion * typo * new_terms conversion * Ransomware rule tuning * performance tuning * new_terms conversion for auditd_manager * tune * Need coffee * kql/eql stuff * formatting improvement * new_terms sudo hijacking conversion * exclusion * Deprecations that were added last tuning * Deprecations that were added last tuning * Increased max timespan for brute force rules * version bump * added domain tag * Two tunings * More tuning * Additional tuning * updated_date bump * query optimization * Tuning * Readded the exclusions for this one * Changed int comparison * Some tunings * Update persistence_systemd_scheduled_timer_created.toml * Update rules/linux/privilege_escalation_ld_preload_shared_object_modif.toml Co-authored-by: Isai <59296946+imays11@users.noreply.github.com> * [New Rule] Potential curl CVE-2023-38545 Exploitation * Revert "[New Rule] Potential curl CVE-2023-38545 Exploitation" This reverts commit 9c04d1b53d3d63678289f43ec0c7b617d26f1ce0. * Update rules/cross-platform/command_and_control_non_standard_ssh_port.toml * Update rules/linux/command_and_control_cat_network_activity.toml * Update persistence_message_of_the_day_execution.toml * Changed max_signals * Revert "Merge branch 'main' into rule-tuning-ongoing-dr" This reverts commit 1106b5d2eba1a3529eff325226d6baabfd4b0bf3, reversing changes made to 5ff510757f25b0cb32e1ef18e9e2c34c8ec325a8. * Revertable merge * Update defense_evasion_ld_preload_env_variable_process_injection.toml * File name change --------- Co-authored-by: Isai <59296946+imays11@users.noreply.github.com> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
61 lines
1.8 KiB
TOML
61 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2020/02/18"
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deprecation_date = "2023/09/25"
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integration = ["endpoint"]
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maturity = "deprecated"
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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 = "2023/09/25"
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[rule]
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author = ["Elastic"]
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description = """
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Iodine is a tool for tunneling Internet protocol version 4 (IPV4) traffic over the DNS protocol to circumvent firewalls,
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network security groups, and network access lists while evading detection.
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"""
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false_positives = [
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"""
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Normal use of Iodine is uncommon apart from security testing and research. Use by non-security engineers is very
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uncommon.
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""",
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]
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*", "endgame-*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Deprecated - Potential DNS Tunneling via Iodine"
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note = "This rule was deprecated due to its addition to the umbrella `Potential Linux Tunneling and/or Port Forwarding` (6ee947e9-de7e-4281-a55d-09289bdf947e) rule."
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references = ["https://code.kryo.se/iodine/"]
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risk_score = 73
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rule_id = "041d4d41-9589-43e2-ba13-5680af75ebc2"
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severity = "high"
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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: Command and Control",
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"Data Source: Elastic Endgame",
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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 = "query"
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query = '''
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event.category:process and host.os.type:linux and event.type:(start or process_started) and process.name:(iodine or iodined)
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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 = "T1572"
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name = "Protocol Tunneling"
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reference = "https://attack.mitre.org/techniques/T1572/"
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[rule.threat.tactic]
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id = "TA0011"
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name = "Command and Control"
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reference = "https://attack.mitre.org/tactics/TA0011/"
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