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The night deepened.
Above, a bright moon hung high, and silver moonlight scattered across the sky, immersing the city of North Bear in silence. Only the occasional bark of a dog or the shout of a drunken man broke this tranquility.
However, in the silent virtual network, a powerful program quietly swept through the entire hacker community of North Bear.
Let's call it a rogue program.
Because it was neither a Trojan nor a virus but a simple push notification.
It appeared in the search engines, social media apps, and infiltration tools of hackers in an almost impudent manner.
Inside a bachelor's apartment.
A young man engaged in network penetration had just finished his day's work.
Full of vigor, he effortlessly accessed a certain short video website.
"Tired from a whole day, time to relax,"
he muttered in North Bearian, then started flipping through the pages, looking for a video to his taste.