{'created': '2019-12-19T19:43:34.507Z',
 'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'description': 'Adversaries may modify system firmware to persist on '
                'systems.The BIOS (Basic Input/Output System) and The Unified '
                'Extensible Firmware Interface (UEFI) or Extensible Firmware '
                'Interface (EFI) are examples of system firmware that operate '
                'as the software interface between the operating system and '
                'hardware of a computer.(Citation: Wikipedia BIOS)(Citation: '
                'Wikipedia UEFI)(Citation: About UEFI)\n'
                '\n'
                'System firmware like BIOS and (U)EFI underly the '
                'functionality of a computer and may be modified by an '
                'adversary to perform or assist in malicious activity. '
                'Capabilities exist to overwrite the system firmware, which '
                'may give sophisticated adversaries a means to install '
                'malicious firmware updates as a means of persistence on a '
                'system that may be difficult to detect.',
 'external_references': [{'external_id': 'T1542.001',
                          'source_name': 'mitre-attack',
                          'url': 'https://attack.mitre.org/techniques/T1542/001'},
                         {'description': 'Beek, C., Samani, R. (2017, March '
                                         '8). CHIPSEC Support Against Vault 7 '
                                         'Disclosure Scanning. Retrieved March '
                                         '13, 2017.',
                          'source_name': 'McAfee CHIPSEC Blog',
                          'url': 'https://securingtomorrow.mcafee.com/business/chipsec-support-vault-7-disclosure-scanning/'},
                         {'description': 'Butterworth, J. (2013, July 30). '
                                         'Copernicus: Question Your '
                                         'Assumptions about BIOS Security. '
                                         'Retrieved December 11, 2015.',
                          'source_name': 'MITRE Copernicus',
                          'url': 'http://www.mitre.org/capabilities/cybersecurity/overview/cybersecurity-blog/copernicus-question-your-assumptions-about'},
                         {'description': 'Intel Security. (2005, July 16). '
                                         "HackingTeam's UEFI Rootkit Details. "
                                         'Retrieved November 17, 2024.',
                          'source_name': 'Intel HackingTeam UEFI Rootkit',
                          'url': 'https://web.archive.org/web/20170313124421/http://www.intelsecurity.com/advanced-threat-research/content/data/HT-UEFI-rootkit.html'},
                         {'description': 'Intel. (2017, March 18). CHIPSEC '
                                         'Platform Security Assessment '
                                         'Framework. Retrieved March 20, 2017.',
                          'source_name': 'Github CHIPSEC',
                          'url': 'https://github.com/chipsec/chipsec'},
                         {'description': 'UEFI Forum. (n.d.). About UEFI '
                                         'Forum. Retrieved January 5, 2016.',
                          'source_name': 'About UEFI',
                          'url': 'http://www.uefi.org/about'},
                         {'description': 'Upham, K. (2014, March). Going Deep '
                                         'into the BIOS with MITRE Firmware '
                                         'Security Research. Retrieved January '
                                         '5, 2016.',
                          'source_name': 'MITRE Trustworthy Firmware '
                                         'Measurement',
                          'url': 'http://www.mitre.org/publications/project-stories/going-deep-into-the-bios-with-mitre-firmware-security-research'},
                         {'description': 'Wikipedia. (2017, July 10). Unified '
                                         'Extensible Firmware Interface. '
                                         'Retrieved July 11, 2017.',
                          'source_name': 'Wikipedia UEFI',
                          'url': 'https://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface'},
                         {'description': 'Wikipedia. (n.d.). BIOS. Retrieved '
                                         'January 5, 2016.',
                          'source_name': 'Wikipedia BIOS',
                          'url': 'https://en.wikipedia.org/wiki/BIOS'}],
 'id': 'attack-pattern--16ab6452-c3c1-497c-a47d-206018ca1ada',
 'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
                        'phase_name': 'persistence'},
                       {'kill_chain_name': 'mitre-attack',
                        'phase_name': 'defense-evasion'}],
 'modified': '2025-10-24T17:48:26.714Z',
 'name': 'System Firmware',
 '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_contributors': ['Jean-Ian Boutin, ESET', 'McAfee', 'Ryan Becwar'],
 'x_mitre_deprecated': False,
 'x_mitre_detection': '',
 'x_mitre_domains': ['enterprise-attack'],
 'x_mitre_is_subtechnique': True,
 'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'x_mitre_platforms': ['Windows', 'Network Devices'],
 'x_mitre_version': '1.2'}