Another obfuscated malware check

Cast $needle in calls to strpos/stripos to string to avoid automatic …

definitions/patterns_raw.txt

@@ -394,3 +394,8 @@ eval(rawurldecode('
 # simple obfuscated function
 'gz'.'unc'.'ompress'
 'create'.'_'.'function'
+'gzinf', 'la', 'te'
+'e_f', 'cti', 'un', 'on', 'cr', 'eat'
+'base', '64_dec', 'ode'
+'cook', 'set', 'ie'
+'repl', 'str_', 'ace'

scan.php

@@ -709,14 +709,14 @@ class MalwareScanner
     //Returns true if the raw string exists in the file contents.
     private function scanFunc_STR(&$pattern, &$content)
     {
-        return strpos($content, $pattern);
+        return strpos($content, (string)$pattern);
     }
 
     //Performs raw string, case insensitive matching.
     //Returns true if the raw string exists in the file contents, ignoring case.
     private function scanFunc_STRI(&$pattern, &$content)
     {
-        return stripos($content, $pattern);
+        return stripos($content, (string)$pattern);
     }
 
     //Performs regular expression matching.