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Tag Archives | php

Remove Website Malware

Shared web hosting companies usually installed server 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 better detect ratio php malware. We generated bash script for that, so no need manually download everything. This script working cPanel/DirectAdmin […]

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Free Online PHP Obfuscator

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 […]

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Securing Directadmin Server

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 […]

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Bot Network Scanners Activated

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 […]

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How detect malware

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 […]

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Securing cpanel server

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 […]

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PHP Cookie Injection

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!

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FilesMan

PHP backdoors are server-side malicious scripts. The typical example of such backdoors are various File Managers, Web Shells, Command Shells, tools for bypassing admin login or various one-purpose scripts allowing the attacker to upload and run another type of malicious scripts. The payload is PHP based, thus intended for server-side use and the payload is […]

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