b4c84e8a40
* Update Tags * Bump updated date separately to be easy to revert if needed * Update resource_development_ml_linux_anomalous_compiler_activity.toml * Apply changes from the discussion * Update persistence_init_d_file_creation.toml * Update defense_evasion_timestomp_sysmon.toml * Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml * Update missing Tactic tags * Update unit tests to match new tags * Add missing IG tags * Delete okta_threat_detected_by_okta_threatinsight.toml * Update command_and_control_google_drive_malicious_file_download.toml * Update persistence_rc_script_creation.toml * Mass bump * Update persistence_shell_activity_by_web_server.toml * . --------- Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
60 lines
1.7 KiB
TOML
60 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2021/01/04"
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integration = ["system", "windows"]
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maturity = "development"
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updated_date = "2023/06/22"
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[rule]
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author = ["Skoetting"]
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description = """
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Identifies attempts to create a Windows User Account. This is sometimes done by attackers to persist or increase access
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to a system or domain.
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"""
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false_positives = [
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"""
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Legitimate local user creations may be done by a system or network administrator. Verify whether this is known
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behavior in your environment. Local user creations by unfamiliar users or hosts should be investigated. If known
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behavior is causing false positives, it can be exempted from the rule.
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""",
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]
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index = ["winlogbeat-*", "logs-system.*", "logs-windows.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Windows User Account Creation"
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risk_score = 21
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rule_id = "38e17753-f581-4644-84da-0d60a8318694"
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.module:("system" or "security") and winlog.api:"wineventlog" and
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(event.code:"4720" or event.action:"added-user-account")
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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 = "T1136"
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name = "Create Account"
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reference = "https://attack.mitre.org/techniques/T1136/"
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[[rule.threat.technique.subtechnique]]
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id = "T1136.001"
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name = "Local Account"
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reference = "https://attack.mitre.org/techniques/T1136/001/"
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[[rule.threat.technique.subtechnique]]
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id = "T1136.002"
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name = "Domain Account"
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reference = "https://attack.mitre.org/techniques/T1136/002/"
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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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