def get_unpack_status(file_path: str, binary: bytes,
extracted_files: List[Path], meta_data: Dict,
config: ConfigParser):
meta_data['summary'] = []
meta_data['entropy'] = avg_entropy(binary)
if not extracted_files:
if get_file_type_from_path(file_path)['mime'] in read_list_from_config(config, 'ExpertSettings', 'compressed_file_types')\
or not is_compressed(binary, compress_entropy_threshold=config.getfloat('ExpertSettings', 'unpack_threshold'), classifier=avg_entropy):
meta_data['summary'] = ['unpacked']
else:
meta_data['summary'] = ['packed']
else:
_detect_unpack_loss(binary, extracted_files, meta_data,
config.getint('ExpertSettings', 'header_overhead'))
def get_unpack_status(self, fo, extracted_fos):
fo.processed_analysis['unpacker']['summary'] = []
fo_entropy = avg_entropy(fo.binary)
fo.processed_analysis['unpacker']['entropy'] = fo_entropy
if len(fo.files_included) < 1:
if get_file_type_from_path(fo.file_path)['mime'] in self.VALID_COMPRESSED_FILE_TYPES:
fo.processed_analysis['unpacker']['summary'] = ['unpacked']
else:
if is_compressed(fo.binary, compress_entropy_threshold=self.config['ExpertSettings'].getfloat('unpack_threshold', 0.7), classifier=avg_entropy):
fo.processed_analysis['unpacker']['summary'] = ['packed']
else:
fo.processed_analysis['unpacker']['summary'] = ['unpacked']
else:
self._detect_unpack_loss(fo, extracted_fos)
