{'created': '2020-02-05T14:04:25.865Z',
 'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'description': 'Adversaries may use binary padding to add junk data and '
                'change the on-disk representation of malware. This can be '
                'done without affecting the functionality or behavior of a '
                'binary, but can increase the size of the binary beyond what '
                'some security tools are capable of handling due to file size '
                'limitations. \n'
                '\n'
                'Binary padding effectively changes the checksum of the file '
                'and can also be used to avoid hash-based blocklists and '
                'static anti-virus signatures.(Citation: ESET OceanLotus) The '
                'padding used is commonly generated by a function to create '
                'junk data and then appended to the end or applied to sections '
                'of malware.(Citation: Securelist Malware Tricks April 2017) '
                'Increasing the file size may decrease the effectiveness of '
                'certain tools and detection capabilities that are not '
                'designed or configured to scan large files. This may also '
                'reduce the likelihood of being collected for analysis. Public '
                'file scanning services, such as VirusTotal, limits the '
                'maximum size of an uploaded file to be analyzed.(Citation: '
                'VirusTotal FAQ) ',
 'external_references': [{'external_id': 'T1027.001',
                          'source_name': 'mitre-attack',
                          'url': 'https://attack.mitre.org/techniques/T1027/001'},
                         {'description': 'Foltýn, T. (2018, March 13). '
                                         'OceanLotus ships new backdoor using '
                                         'old tricks. Retrieved May 22, 2018.',
                          'source_name': 'ESET OceanLotus',
                          'url': 'https://www.welivesecurity.com/2018/03/13/oceanlotus-ships-new-backdoor/'},
                         {'description': 'Ishimaru, S.. (2017, April 13). Old '
                                         'Malware Tricks To Bypass Detection '
                                         'in the Age of Big Data. Retrieved '
                                         'May 30, 2019.',
                          'source_name': 'Securelist Malware Tricks April 2017',
                          'url': 'https://securelist.com/old-malware-tricks-to-bypass-detection-in-the-age-of-big-data/78010/'},
                         {'description': 'VirusTotal. (n.d.). VirusTotal FAQ. '
                                         'Retrieved May 23, 2019.',
                          'source_name': 'VirusTotal FAQ',
                          'url': 'https://www.virustotal.com/en/faq/'}],
 'id': 'attack-pattern--5bfccc3f-2326-4112-86cc-c1ece9d8a2b5',
 'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
                        'phase_name': 'defense-evasion'}],
 'modified': '2025-10-24T17:48:50.205Z',
 'name': 'Binary Padding',
 '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': ['Martin Jirkal, ESET'],
 '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': ['Linux', 'Windows', 'macOS'],
 'x_mitre_version': '1.3'}

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