207dc55ede
* [Rule Tuning] Windows File-based Rules Tuning * Update credential_access_lsass_memdump_file_created.toml * .
72 lines
1.7 KiB
TOML
72 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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integration = ["endpoint"]
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maturity = "production"
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updated_date = "2024/08/06"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies .url shortcut files downloaded from outside the local network. These shortcut files are commonly used in
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phishing campaigns.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.file-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Downloaded URL Files"
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risk_score = 47
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rule_id = "cd82e3d6-1346-4afd-8f22-38388bbf34cb"
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severity = "medium"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Execution",
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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 = "eql"
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query = '''
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file where host.os.type == "windows" and event.type == "creation" and file.extension == "url"
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and file.Ext.windows.zone_identifier > 1 and not process.name : "explorer.exe"
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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 = "T1204"
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name = "User Execution"
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reference = "https://attack.mitre.org/techniques/T1204/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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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 = "T1566"
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name = "Phishing"
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reference = "https://attack.mitre.org/techniques/T1566/"
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[[rule.threat.technique.subtechnique]]
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id = "T1566.001"
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name = "Spearphishing Attachment"
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reference = "https://attack.mitre.org/techniques/T1566/001/"
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[[rule.threat.technique.subtechnique]]
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id = "T1566.002"
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name = "Spearphishing Link"
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reference = "https://attack.mitre.org/techniques/T1566/002/"
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[rule.threat.tactic]
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id = "TA0001"
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name = "Initial Access"
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reference = "https://attack.mitre.org/tactics/TA0001/"
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