Justin Ibarra
47 lines
1.6 KiB
TOML
47 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2020/09/03"
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maturity = "production"
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updated_date = "2021/03/03"
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[rule]
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author = ["Elastic"]
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description = "Identifies the Windows Defender configuration utility (MpCmdRun.exe) being used to download a remote file."
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Remote File Download via MpCmdRun"
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note = """### Investigating Remote File Download via MpCmdRun
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Verify details such as the parent process, URL reputation, and downloaded file details. Additionally, `MpCmdRun` logs this information in the Appdata Temp folder in `MpCmdRun.log`."""
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references = [
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"https://twitter.com/mohammadaskar2/status/1301263551638761477",
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"https://www.bleepingcomputer.com/news/microsoft/microsoft-defender-can-ironically-be-used-to-download-malware/",
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]
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risk_score = 47
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rule_id = "c6453e73-90eb-4fe7-a98c-cde7bbfc504a"
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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 = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and
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(process.name:MpCmdRun.exe or process.pe.original_file_name:MpCmdRun.exe) and
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process.args:(("-DownloadFile" or "-downloadfile") and "-url" and "-path")
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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.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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