new pattern

malware4.pl

@@ -339,6 +339,8 @@ my @regexen = (
     qr/<\?php\s+header\(\"Cache\-Control\:\s+tect\"\)\;\s+\@error\_reporting\(0\)\;\s+\@ini\_set\(\"display\_errors\"\,0\)\;\s+\@ini\_set\(\"log\_errors\"\,0\)\;\s+\@ini\_set\(\"error\_log\"\,0\)\;\s+if\s+\(isset\(\$\_POST\[\"x\"\]\)\)\s+\{\s+eval\(\$\_POST\[\"x\"\]\)\;\s+\}\s+\?>/is,
     qr/<\?php.+?\$data\s+\=\s+file\_get\_contents\(\'php:\/\/input\'\)\;.+?\$data\s+\=\s+base64\_decode\(\$data\)\;.+?if\s+\(\$ok\)\s+\{\s+d\(\'ok\'\)\;\s+\}\s+else\s+\{\s+d\(\'bad\:\'\.\$fname\.\'\|\'\.\_\_DIR\_\_\)\;\s+\}/is,
     qr/<\?php\s+\$([A-z0-9]{1,20})\=\'b\'\.\'a\'\.\'s\'\.\'e64\_deco\'\.\'de\'\;\s+\@eval\(\$([A-z0-9]{1,20})\(.+?\)\)\;/is,
+    qr/<\?php\s+\$alphabet\s+\=\s+\"\..+?\$string\s+\=\s+\".+?\$array\_name\s+\=\s+\"\"\;\s+\$ar\s+\=\s+array\(.+?foreach\(\$ar\s+as\s+\$t\)\{\s+\$array\_name\s+\.\=\s+\$alphabet\[\$t\]\;\s+\}\s+\$a\s+\=\s+strrev\(\"noi\"\.\"tcnuf\"\.\"\_eta\"\.\"erc\"\)\;\s+\$f\s+\=\s+\$a\(\"\"\,\s+\$array\_name\(\$string\)\)\;\s+\$f\(\)\;/is,
+    
     
 );