WP-MalWatch is a WordPress security plugin written by Nick Ohrn designed to scan a WordPress blog on a nightly basis to alert a blog owner of potential malware or other evidence of a compromised blog installation.
The current version scans the Uploads directory for PHP files and has a Dashboard widget and report.
WP-MalWatch requires WordPress 2.9 and PHP5.
Planned future scanning capability additions include:
Detection of Ecode64 PHP injection strings in core WP files.
Planting of multiple .HTACCESS files.
Detection of URLs in theme files based on specific keywords (e.g. http://abcdomain.com/cheap-software)
WP-MalWatch is a FREE WordPress plugin created by Orangecast Social Media in Dallas
More Info at http://how-to-blog.tv/security/wp-malwatch/