MITRE ATT&CK Technique
Discovery
T1120
Description
Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.(Citation: Peripheral Discovery Linux)(Citation: Peripheral Discovery macOS) Peripheral devices could include auxiliary resources that support a variety of functionalities such as keyboards, printers, cameras, smart card readers, or removable storage. The information may be used to enhance their awareness of the system and network environment or may be used for further actions.
Supported Platforms
Linux
Windows
macOS
Created
April 29, 2026
Last Updated
April 29, 2026
STIX Data
{'created': '2017-05-31T21:31:28.471Z',
'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'description': 'Adversaries may attempt to gather information about attached '
'peripheral devices and components connected to a computer '
'system.(Citation: Peripheral Discovery Linux)(Citation: '
'Peripheral Discovery macOS) Peripheral devices could include '
'auxiliary resources that support a variety of functionalities '
'such as keyboards, printers, cameras, smart card readers, or '
'removable storage. The information may be used to enhance '
'their awareness of the system and network environment or may '
'be used for further actions.',
'external_references': [{'external_id': 'T1120',
'source_name': 'mitre-attack',
'url': 'https://attack.mitre.org/techniques/T1120'},
{'description': 'Shahriar Shovon. (2018, March). List '
'USB Devices Linux. Retrieved March '
'11, 2022.',
'source_name': 'Peripheral Discovery Linux',
'url': 'https://linuxhint.com/list-usb-devices-linux/'},
{'description': 'SS64. (n.d.). system_profiler. '
'Retrieved March 11, 2022.',
'source_name': 'Peripheral Discovery macOS',
'url': 'https://ss64.com/osx/system_profiler.html'}],
'id': 'attack-pattern--348f1eef-964b-4eb6-bb53-69b3dcb0c643',
'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
'phase_name': 'discovery'}],
'modified': '2025-10-24T17:48:37.563Z',
'name': 'Peripheral Device Discovery',
'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
'revoked': False,
'spec_version': '2.1',
'type': 'attack-pattern',
'x_mitre_attack_spec_version': '3.2.0',
'x_mitre_deprecated': False,
'x_mitre_detection': '',
'x_mitre_domains': ['enterprise-attack'],
'x_mitre_is_subtechnique': False,
'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
'x_mitre_platforms': ['Linux', 'Windows', 'macOS'],
'x_mitre_version': '1.4'}