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Super factory viruses can exploit software vulnerabilities in the form of "zero-day vulnerabilities" (zero-day vulnerabilities are also called zero-time difference attacks, which refer to security vulnerabilities that are maliciously exploited immediately after being discovered). The virus will quietly infect a system, and the user does not need to do anything specially to make the virus worm take effect, such as accidentally downloading a malicious file. Moreover, it is not only spreading in Iran's nuclear system, this worm virus can spread through Windows systems all over the world. To some extent, this is because, in order to enter Iran's system, attackers infected computers outside Iran's network system with viruses (but these computers are believed to be connected to them), so that these computers can act as "carriers" of viruses.Let you understand what you are doing suddenly: suddenly; Suddenly, the sun and the moon are flying like a shuttle: metaphor time passes quickly and rapidly like an arrow and a flying shuttle."Then they launched an attack on position 149 as soon as they completed the assembly?" I asked.Desperate to get her family attention, an overworked mother, lie to them about her condition.可以说每时每刻都受到别人的威胁，每时每刻都要担惊受怕，日子相当的不好过。