{'created': '2020-01-23T19:42:16.439Z',
 'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'description': 'Adversaries may abuse Regsvcs and Regasm to proxy execution '
                'of code through a trusted Windows utility. Regsvcs and Regasm '
                'are Windows command-line utilities that are used to register '
                '.NET [Component Object '
                'Model](https://attack.mitre.org/techniques/T1559/001) (COM) '
                'assemblies. Both are binaries that may be digitally signed by '
                'Microsoft. (Citation: MSDN Regsvcs) (Citation: MSDN Regasm)\n'
                '\n'
                'Both utilities may be used to bypass application control '
                'through use of attributes within the binary to specify code '
                'that should be run before registration or unregistration: '
                '<code>[ComRegisterFunction]</code> or '
                '<code>[ComUnregisterFunction]</code> respectively. The code '
                'with the registration and unregistration attributes will be '
                'executed even if the process is run under insufficient '
                'privileges and fails to execute. (Citation: LOLBAS '
                'Regsvcs)(Citation: LOLBAS Regasm)',
 'external_references': [{'external_id': 'T1218.009',
                          'source_name': 'mitre-attack',
                          'url': 'https://attack.mitre.org/techniques/T1218/009'},
                         {'description': 'Microsoft. (n.d.). Regsvcs.exe (.NET '
                                         'Services Installation Tool). '
                                         'Retrieved July 1, 2016.',
                          'source_name': 'MSDN Regsvcs',
                          'url': 'https://msdn.microsoft.com/en-us/library/04za0hca.aspx'},
                         {'description': 'Microsoft. (n.d.). Regasm.exe '
                                         '(Assembly Registration Tool). '
                                         'Retrieved July 1, 2016.',
                          'source_name': 'MSDN Regasm',
                          'url': 'https://msdn.microsoft.com/en-us/library/tzat5yw6.aspx'},
                         {'description': 'LOLBAS. (n.d.). Regsvcs.exe. '
                                         'Retrieved July 31, 2019.',
                          'source_name': 'LOLBAS Regsvcs',
                          'url': 'https://lolbas-project.github.io/lolbas/Binaries/Regsvcs/'},
                         {'description': 'LOLBAS. (n.d.). Regasm.exe. '
                                         'Retrieved July 31, 2019.',
                          'source_name': 'LOLBAS Regasm',
                          'url': 'https://lolbas-project.github.io/lolbas/Binaries/Regasm/'}],
 'id': 'attack-pattern--c48a67ee-b657-45c1-91bf-6cdbe27205f8',
 'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
                        'phase_name': 'defense-evasion'}],
 'modified': '2025-10-24T17:49:21.181Z',
 'name': 'Regsvcs/Regasm',
 'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
 'spec_version': '2.1',
 'type': 'attack-pattern',
 'x_mitre_attack_spec_version': '3.2.0',
 'x_mitre_contributors': ['Casey Smith'],
 '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'],
 'x_mitre_version': '2.1'}