昆仑的山头

    import olefile #需要安装olefile库
    ole = olefile.OleFileIO('xx/xl/embeddings/oleObject2.bin')
    print(ole.listdir())
    streams = ole.listdir()
    print(streams) #打印出具体的数据流，mp4可能在\x01Ole10Native中，也可能在其他流中
    #提取mp4数据流
    if ole.exists('\x01Ole10Native'):
        with ole.openstream('\x01Ole10Native') as stream:
            data = stream.read()
        # 保存到缓冲文件
        with open('temp.bin', 'wb') as f:
            f.write(data)
        print("Data from \\x01Ole10Native saved as output.bin")
    else:
        print("\\x01Ole10Native stream not found")
    ole.close()
    # 从 MP4 文件中提取数据
    with open('temp.bin', 'rb') as f:
        data = f.read() 
    # 自动查找 MP4 文件头 ("ftyp")
    data_start = data.find(b'ftyp')
    if data_start == -1:
        print("MP4 header not found. The file may not contain valid MP4 data.")
        exit()
    print(f"MP4 header found at offset: {data_start}")
    # 从 mp4 文件头开始提取数据
    # mp4文件头在"ftyp"之前可能还有四个字节空位，具体的可以使用https://hexed.it之类的工具打开二进制文件查看
    data_start = data_start - 4 
    output_file = 'extracted_video.mp4' #输出mp4文件名
    with open(output_file, 'wb') as out_f:
        out_f.write(data[data_start:])
    print(f"File extracted successfully as {output_file}")