[metadata] creation_date = "2020/11/02" maturity = "production" updated_date = "2021/03/03" [rule] author = ["Elastic"] description = """ Identifies use of the Windows file system utility (fsutil.exe ) to gather information about attached peripheral devices and components connected to a computer system. """ from = "now-9m" index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"] language = "eql" license = "Elastic License v2" name = "Peripheral Device Discovery" risk_score = 21 rule_id = "0c7ca5c2-728d-4ad9-b1c5-bbba83ecb1f4" severity = "low" tags = ["Elastic", "Host", "Windows", "Threat Detection", "Discovery"] timestamp_override = "event.ingested" type = "eql" query = ''' process where event.type in ("start", "process_started") and (process.name : "fsutil.exe" or process.pe.original_file_name == "fsutil.exe") and process.args : "fsinfo" and process.args : "drives" ''' [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1120" name = "Peripheral Device Discovery" reference = "https://attack.mitre.org/techniques/T1120/" [rule.threat.tactic] id = "TA0007" name = "Discovery" reference = "https://attack.mitre.org/tactics/TA0007/"