Once downloaded and unpacked (using a specific password: sjisauisa是就数据8很舒适好sjjss ), the archive revealed a single, massive file: shifenzheng.bak . The file was a , weighing in at 7.47 GB, and its metadata showed it had been created on May 27, 2013. It contained the personal details of approximately 20 million hotel guests, including full names, ID numbers (Chinese national ID), home addresses, mobile phone numbers, and even room occupancy times and dates.
The ".bak" suffix, on the other hand, is commonly used to denote a backup file, which is a copy of a file or data created to prevent loss or corruption of the original file. This suggests that .shifenzheng.bak might be a backup file created by a specific software application or system. shifenzheng.bak
The officer laughed, processed the temporary paper, and sent him home. That night, Fang Lin renamed the file: shifenzheng_forever.bak . Once downloaded and unpacked (using a specific password: