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T1120 Peripheral Device Discovery — Detection Rules

Detection workspace for T1120 Peripheral Device Discovery: 2 Sigma sources, 0 Atlas concepts and 0 anomaly models. No live detection validation.

Source-backed rule directory

Atlas deterministic concepts

No exact concept selected.

Anomaly models

No exact Atlas model in this snapshot.

ATT&CK analytic guidance

DET0491 Peripheral Device Enumeration via System Utilities and API Calls

AN1353 Analytic 1353

Suspicious enumeration of attached peripherals via WMI, PowerShell, or low-level API calls potentially chained with removable device interactions.

AN1354 Analytic 1354

Enumeration of USB and other peripheral hardware via udevadm, lshw, or /sys or /proc interfaces in proximity to collection or mounting behavior.

AN1355 Analytic 1355

Execution of system utilities like 'system_profiler' and 'ioreg' to enumerate hardware components or USB devices, particularly if followed by clipboard, file, or network activity.

Connected ecosystem references

Linked tags

Simulation, tools and telemetry

T1120 simulation workspace

No reviewed association in this snapshot.

Threat actor context

These are explicit actor-to-technique associations in the existing Threat Matrix snapshot, not attribution of an event or proof that a detector identifies the actor. No tool-to-actor relationship is inferred.

Existing anomaly research

Original publication snapshot · Anomaly Detection Atlas

Complete technique engineering workbook

Collection configuration and event examples · Anomaly models and design worksheet · Tools and documented software · Simulation procedures · Offline synthetic collection check

Exact source tags are not semantic relevance verdicts. Review actual rule conditions and observation points; imported rules are not backend-compiled or live-validated.

Pinned research references. No browser attack runner or production-validated detector is asserted. Imported procedures remain unvalidated; any bounded lab evidence has its own scope. ATT&CK / Atomic provenance · Detection provenance.