I’ve recently been hit by several injection attacks to some of my clients’ WordPress based sites. Some theme and plugin files were injected with an eval() function containing hidden IFRAMEs and redirections.
While some antivirus and scanning plugins detected parts of this infection, I’ve had 100% luck with 2 direct file scanners. Placed in my WordPress site root and directly accessed, the scripts listed all files injected with the dreaded eval() function.
Each of these files does the same thing, in different ways. Test them both.
Place the .php files inside your WordPress root (i.e. where index.php is). Run them using yourdomain.com/chipScan.php or yourdomain.com/chipWare.php. The scripts will display all files containing injected code. Open each of your infected files and remove the eval() code.
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