Bash/Perl fix for "eva1fYlbakBcVSir" WP Backdoor/Malware

#!/bin/bash
find . -name '*.php' -exec grep -q eva1fYlbakBcVSir {} \; -print -exec perl -pi -w -e 's/\<\?php \@error_reporting\(0\); if \(\!isset\(\$eva1fYlbakBcVSir.*\?\>//g' {} \;