Cleans injected malicious code in PHP.

cleaner.php

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
class Cleaner{
	public function Cleaner($path){

		$di = new RecursiveDirectoryIterator($path);
		foreach (new RecursiveIteratorIterator($di) as $filename => $file) {
			if($file->isFile() && $file->getExtension()=='php'){
				$this->clean($filename);
			}
		}

	}

	function clean($filename){
		$content = file_get_contents($filename);
		// this is the pattern you want to remove
		$replaced = preg_replace('/\<\?php.*\!function_exists\(\'lowrcwdebo\'\)\) \{ function lowrcwdebo.*\?\>/','',$content);
		if($content==$replaced){
			echo 'Checked: '.$filename . PHP_EOL;
		}else{
			file_put_contents($filename, $replaced);
			$log = 'Cleaned: '.$filename . PHP_EOL;
			file_put_contents ( 'cleaner.log' ,$log, FILE_APPEND);
			echo $log;
		}

		
	}
}


$path = $argv[1];
$c = new Cleaner($path);