Кадр: Telegram-канал Mash Gor
第二步，处理截图。下载下来之后先做去重——用 pHash 算法比较相邻截图的相似度，超过 90% 的跳过，只保留应用切换时的截图。去重后的截图做 OCR 识别。，这一点在电影中也有详细论述
。关于这个话题，电影提供了深入分析
Despite those limitations, iVerify says Coruna likely infected tens of thousands of phones. The company consulted with a partner that has access to network traffic and counted visits to a command-and-control server for the cybercriminal version of Coruna infecting Chinese-language websites. The volume of those connections suggest, iVerify says, that roughly 42,000 devices may have already been hacked with the toolkit in the for-profit campaign alone.
│ Adaptive Listing System │，更多细节参见电影