# Disable dangerous functions disable_functions = exec, passthru, shell_exec, system, proc_open, popen, curl_exec, curl_multi_exec, parse_ini_file, show_source # Prevent PHP from managing remote files allow_url_fopen = Off allow_url_include = Off # Hide PHP presence expose_php = Off Use code with caution. Enforcing Strict File Upload Rules
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Edit your php.ini file to restrict functions frequently abused by web shells: If you share with third parties, their policies apply
// Build a C99 extension for PHP int my_c_function(php_stream *stream) // Interact with PHP from C99 php_printf("Hello World!\n"); return 0; Edit your php
Attackers can view, edit, delete, download, or upload files across the entire file system, subject to server permissions.
Maya had to act fast. The attacker was likely asleep (the traffic came from a timezone 7 hours ahead). She followed the :
# Run a PHP script from a shell script php my_php_script.php #include <stdio.h> #include <php.h>