diff --git a/malware4.pl b/malware4.pl
index fc09f60..13748bf 100644
--- a/malware4.pl
+++ b/malware4.pl
@@ -136,7 +136,7 @@ my @regexen = (
     qr/a\:4\:\{s\:1\:.+?RewriteEngine.+?<\/IfModule>\"\;\}/is,
     qr/<\?php.+?if\(isset\(\$\_COOKIE\[.+?array\(.+?implode\(.+?\;\}/is,
     qr/<\?php\s+\$([A-z0-9]{1,20})\=\'.+?if\(isset\(\$\{\$([A-z0-9]{1,20})\[([0-9]{1,5})\]\.\$.+?\.\$([A-z0-9]{1,20})\[([0-9]{1,5})\]\]\)\;\}\s+\?>/is
-    
+    qr/<?php.+?str\_ireplace\(\"i\"\,\"\"\,\"iibiasiieii6iii4iiii\_iideicioidieii\"\).+?\?>/is,