: View server specifications, network configurations, and user lists to facilitate further attacks. How b374k.php Enters a System
Look for unusual POST requests directed at a single PHP file that isn't part of your CMS (like WordPress or Joomla). Unusual Directory Placement: b374k.php
Outdated CMS (WordPress, Drupal), plugins, and server software are the #1 entry point. : View server specifications
Rules can block requests containing b374k , eval(base64_decode , or system($_GET['cmd']) . b374k.php
To understand the threat level, one must examine the feature set of a typical b374k.php shell. A fully functional version includes:
Example of a suspicious log entry: 192.168.1.102 29/Oct/2018:14:52:16 GET /b374k.php HTTP/1.1 200 2125