mirror of
https://github.com/dobin/avred
synced 2026-06-08 13:54:13 +00:00
Dobin Rutishauser
33 lines
905 B
Python
33 lines
905 B
Python
from model.model_data import Data
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from model.file_model import BaseFile
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import logging
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def scanIsHash(file: BaseFile, scanner, start=0, size=0) -> bool:
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"""check if the detection is hash based (complete file)"""
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# default is everything
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if start == 0 and size == 0:
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size = file.Data().getLength()
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offsets = [
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#start,
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start + (size // 4), # 1/4
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start + (size // 2), # 1/2
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start + ((size // 4) * 3), # 3/4
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start + (size - 2), # end
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]
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scanResults = []
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for offset in offsets:
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d: Data = file.DataCopy()
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d.patchDataFill(offset, 1)
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detected = scanner.scannerDetectsBytes(d.getBytes(), file.filename)
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scanResults.append(detected)
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# if all modifications result in not-detected, its hash based
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for res in scanResults:
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if res:
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return False
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return True
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