勒索信内容：
```
hey dude, we have backed up all you server's content and replaced all of them on your server with random bytes. plz send 0.9998BTC to *** before 3/1 or we will make your database publicly and permenantly delete other files. for prove we backed up your data, you can request less than 50 files or database records, just reply the list to this email address.
```
已经用了密钥登录，不知道为什么还会被黑。
```
hey dude, we have backed up all you server's content and replaced all of them on your server with random bytes. plz send 0.9998BTC to *** before 3/1 or we will make your database publicly and permenantly delete other files. for prove we backed up your data, you can request less than 50 files or database records, just reply the list to this email address.
```
已经用了密钥登录，不知道为什么还会被黑。
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