Justin Ibarra
eeb8ab7744
* Expand timestamp_override tests
* removed timestamp_override from eql sequence rules
* add config entry for eql rules with beats index and t_o
* add timestamp_override to missing fields
Removed changes from:
- rules/cross-platform/impact_hosts_file_modified.toml
- rules/windows/credential_access_lsass_memdump_file_created.toml
- rules/windows/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.toml
- rules/windows/defense_evasion_execution_lolbas_wuauclt.toml
- rules/windows/defense_evasion_suspicious_certutil_commands.toml
- rules/windows/execution_command_shell_started_by_svchost.toml
(selectively cherry picked from commit 6bdfddac8e)
79 lines
2.3 KiB
TOML
79 lines
2.3 KiB
TOML
[metadata]
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creation_date = "2020/01/05"
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maturity = "production"
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updated_date = "2022/03/31"
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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 hidden launch agent or daemon. An adversary may establish persistence by installing a new
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launch agent or daemon which executes at login.
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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 = "eql"
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license = "Elastic License v2"
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name = "Creation of Hidden Launch Agent or Daemon"
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note = """## Config
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
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"""
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references = [
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"https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPSystemStartup/Chapters/CreatingLaunchdJobs.html",
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]
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risk_score = 47
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rule_id = "092b068f-84ac-485d-8a55-7dd9e006715f"
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severity = "medium"
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tags = ["Elastic", "Host", "macOS", "Threat Detection", "Persistence", "Defense Evasion"]
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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 != "deletion" and
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file.path :
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(
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"/System/Library/LaunchAgents/.*.plist",
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"/Library/LaunchAgents/.*.plist",
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"/Users/*/Library/LaunchAgents/.*.plist",
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"/System/Library/LaunchDaemons/.*.plist",
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"/Library/LaunchDaemons/.*.plist"
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)
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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 = "T1543"
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name = "Create or Modify System Process"
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reference = "https://attack.mitre.org/techniques/T1543/"
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[[rule.threat.technique.subtechnique]]
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id = "T1543.001"
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name = "Launch Agent"
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reference = "https://attack.mitre.org/techniques/T1543/001/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1564"
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name = "Hide Artifacts"
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reference = "https://attack.mitre.org/techniques/T1564/"
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[[rule.threat.technique.subtechnique]]
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id = "T1564.001"
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name = "Hidden Files and Directories"
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reference = "https://attack.mitre.org/techniques/T1564/001/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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