Update 'malware4.pl'

malware4.pl

@@ -68,6 +68,7 @@ my @regexen = (
     qr/function\s+l\_\_1\(\$\_\Z/is,
     qr/<\?php\s+if\(\!empty\(\$\_FILES\[\'message\'\]\[\'name\'\]\)\s+\&\&\s+\(md5\(\$\_POST\[\'name\'\]\).+?Message\s+sent\!<\/body>\s+<\/html>\'\;/is,
     qr/<\?php\s+\$report\_url\s+\=\s+\$\_POST\[\'url\'\]\;\s+\$pass\s+\=\s+\$\_POST\[\'pass\'\]\;\s+\$list\s+\=\s=\$\_POST\[\'list\'\]\;.+?if\s+\(\@stripos\(\$hello\,\'\+OK\'\)\!\=\=false\)\s+\{\s+return\s+true\;\s+\}\s+return\s+false\;\s+\}/is,
+    qr/<\?php\s+\/\*\s+<\!\-\-\s+WordPress\s+SEO\s+Plugin\s+\-\->\s+\*\/\s+eval\(gzuncompress\(base64_decode\(.+?\)\)\)\;\s+\/\*\s+<\!\-\-\s+End\s+WordPress\s+SEO\s+Plugin\s+\-\->\s+\*\/\s+\?>/is,
     
 );
 my @base64_decodes = (