First Time Seen Removable Device

Last updated 5 months ago on 2025-03-20
Created 2 years ago on 2023-03-16

About

Identifies newly seen removable devices by device friendly name using registry modification events. While this activity is not inherently malicious, analysts can use those events to aid monitoring for data exfiltration over those devices.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Initial AccessTactic: ExfiltrationData Source: Elastic EndgameData Source: Elastic DefendData Source: SysmonData Source: Microsoft Defender for EndpointData Source: SentinelOneLanguage: kuery
Severity
low
Risk Score
21
MITRE ATT&CK™

Initial Access (TA0001)(opens in a new tab or window)

Exfiltration (TA0010)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
New Terms Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-endpoint.events.registry-*winlogbeat-*logs-windows.sysmon_operational-*endgame-*logs-m365_defender.event-*logs-sentinel_one_cloud_funnel.*
Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

m365_defender(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

Query
event.category:"registry" and host.os.type:"windows" and registry.value:"FriendlyName" and registry.path:*USBSTOR*

Install detection rules in Elastic Security

Detect First Time Seen Removable Device in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).