Justin Ibarra
6bdfddac8e
* 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
50 lines
1.6 KiB
TOML
50 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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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 = "Identifies an executable or script file remotely downloaded via a TeamViewer transfer session."
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Remote File Copy via TeamViewer"
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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 = ["https://blog.menasec.net/2019/11/hunting-for-suspicious-use-of.html"]
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risk_score = 47
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rule_id = "b25a7df2-120a-4db2-bd3f-3e4b86b24bee"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Command and Control"]
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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 == "creation" and process.name : "TeamViewer.exe" and
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file.extension : ("exe", "dll", "scr", "com", "bat", "ps1", "vbs", "vbe", "js", "wsh", "hta")
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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 = "T1105"
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name = "Ingress Tool Transfer"
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reference = "https://attack.mitre.org/techniques/T1105/"
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[[rule.threat.technique]]
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id = "T1219"
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name = "Remote Access Software"
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reference = "https://attack.mitre.org/techniques/T1219/"
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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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