Hacker and Alien.

Summary

Dai Bin discovered a new vulnerability in the "Kang Fei Antivirus Software" just two months after a successful patch. Confused, he called Zhang Li Fang for insights. Both were familiar with the software but puzzled by the sudden issue. Zhang Li Fang suspected a possible change in the software's nature, leading to the vulnerability, despite their previous familiarity with it. As they analyzed the backend, it seemed elusive, and Zhang Li Fang struggled with the patching process, which proved more challenging than before. Eventually, she identified that the vulnerability was linked to a specific program, prompting Dai Bin to further investigate the software's components.

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