We are see remote command execution (RCE) attempts trying to exploit the latest WordPress API Vulnerability. The attackers trying to exploit sites that have plugins like the Insert PHP, Exec-PHP and similar installed plugins. These plugins, allow users to insert PHP code directly into the posts as a way to make customizations easier. Coupled with … Read more
Normally Silence is golden is all inside the index file. Just an empty file with no code and a single line comment saying “Silence is golden”. But wait, there exists nothing for no reason, there has got to be some reason for this file being empty ? The answer is security. If this index file … Read more
The b374k shell is a popular PHP-based web shell that is used by attackers to gain unauthorized access and control over web servers. Like many web shells, it provides a range of functionalities that allow attackers to interact with the compromised server. b374k shell key features Here are some key characteristics and features of the … Read more
Shared web hosting companies usually install a malware scanner on their servers (ClamAV virus scanner). This is very helpful to scan PHP files with malware. Also, you need SSH access to the server and use extra signatures to get a better detection ratio of PHP malware. We generated a bash script for that, so there … Read more
Free Online PHP Obfuscator is designed to help PHP developers protect their intellectual property. Any time you give your PHP source code to someone else your intellectual property can be used and altered without your permission. It’s not one-way encryption but it will keep curious eyes away from your code. These tryed again upload to … Read more
ssh If possible, don’t allow user login ssh to the server. Also disable root user login and use sudo to gain root access. Change: Restart ssh server! Note: Make sure you installed sudo and sudoers to your user! Filesystem You can prevent and hide access certain folders and files. php.ini There are certain functions in … Read more
During analysis of our logs we noticed that an automated attack against PHP is going on, using a vulnerability in PHP. Attacker is trying to make use of CVE-2012-1823, this only applies if your PHP is used in CGI mode (mod_php is not vulnerable to this). POST /%70%68%70%70%61%74%68/%70%68%70?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%6E Decoding the URL gives: Using -d parameter … Read more
When you scan server files with Clamdscan or Maldet your scanner give postitive result and Extra ClamAV signatures to better ratio detect malware. We using clamdscan scanner to scan files. Example user www files: Now we open content-none.php file to look better: The first looks, there is no anything, but if you look better first … Read more
php.ini Securing cpanel php.ini in controlpanel or manually. Login cpanel control panel and goto: Home » Software » MultiPHP INI Editor Find disable_functions: Change “disabled_functions =” to: Or manually change files below: Install ClamAV Scanner To install or uninstall ClamAV Scanner, use WHM’s Manage Plugins interface (Home » cPanel » Manage Plugins). Offical Ducumentation Install … Read more
We found lot off new activies again somekind bot network: If we look this line number 19: wp-load.php from auditlog and found there cookie ID & CODE payload (php eval): Our commerical ModSecurity rules detect these and block them!