new pattern

malware4.pl

@@ -111,6 +111,7 @@ my @regexen = (
     qr/<\?php\s+\$([A-z0-9]{1,20})\s+\=\s+stripslashes\(base64\_decode\(\$\_POST\[\'([A-z0-9]{1,20})\'\]\)\)\;\s+\$([A-z0-9]{1,20})\s+\=\s+stripslashes\(base64\_decode\(\$\_POST\[\'([A-z0-9]{1,20})\'\]\)\)\;\s+\$([A-z0-9]{1,20})\s+\=\s+stripslashes\(base64\_decode\(\$\_POST\[\'([A-z0-9]{1,20})\'\]\)\)\;\s+\$([A-z0-9]{1,20})\s+\=\s+stripslashes\(base64\_decode\(\$\_POST\[\'([A-z0-9]{1,20})\'\]\)\)\;\s+\$([A-z0-9]{1,20})\s+\=\s+mail\(stripslashes\(\$([A-z0-9]{1,20})\)\,\s+stripslashes\(\$([A-z0-9]{1,20})\)\,\s+stripslashes\(\$([A-z0-9]{1,20})\)\,\s+stripslashes\(\$([A-z0-9]{1,20})\)\)\;\s+if\(\$([A-z0-9]{1,20})\)\{echo\s+\'([A-z0-9]{1,20})\'\;\}\s+else\s+\{echo\s+\'([A-z0-9]{1,20})\s+\:\s+\'\s+\.\s+\$([A-z0-9]{1,20})\;\}/is,
     qr/<\?php\s+eval\(eval\(\".+?\;\}\s+else\s+\{.+?\}\"\)\)\;\s+\?>/is,
     qr/<\?php\s+\/\*\*\s+\*\s+\@package.+?if\s+\(empty\s+\(\$\_POST\)\)\s+\{\s+echo\s+\'Empty\s+data\.\'.+?array\_map\s+\(.+?\$\_POST\[\'([A-z0-9]{1,5})\'\]\)\s+\)\)\;/is,
+    qr/<\?php\s+\@require\(\'wp\-admin\/([0-9]{1,20})\'\)\;/is,
 
 
 );