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How to recover Admin Page from "PHP Injection" attack (2 posts)

  1. computerlarry
    Member
    Posted 2 years ago #

    Not entirely sure of WP version.
    The website was infected with what we were told is a "PHP Injection"

    We need help form a WordPress expert who can help us fix this problem ASAP.

    Larry

    By some computer miracle, the website is up, but the administration area is trashed. Whenever I try and go to php-admin, we get an error page:

    "Warning: Cannot modify header information - headers already sent by (output started at /homepages/19/d178103558/htdocs/oldhtdocs/kreskin2/wp-admin/admin.php:1) in /homepages/19/d178103558/htdocs/oldhtdocs/kreskin2/wp-includes/pluggable.php on line 866"

    Line 866 is part of a function:

    if ( !function_exists('wp_redirect') ) :
    /**
    * Redirects to another page.
    *
    * @since 1.5.1
    * @uses apply_filters() Calls 'wp_redirect' hook on $location and $status.
    *
    * @param string $location The path to redirect to
    * @param int $status Status code to use
    * @return bool False if $location is not set
    */
    function wp_redirect($location, $status = 302) {
    global $is_IIS;

    $location = apply_filters('wp_redirect', $location, $status);
    $status = apply_filters('wp_redirect_status', $status, $location);

    if ( !$location ) // allows the wp_redirect filter to cancel a redirect
    return false;

    $location = wp_sanitize_redirect($location);

    if ( !$is_IIS && php_sapi_name() != 'cgi-fcgi' )
    status_header($status); // This causes problems on IIS and some FastCGI setups

    header("Location: $location", true, $status);
    }
    endif;

  2. s_ha_dum
    Member
    Posted 2 years ago #

    I don't think that code is the problem. I think something has hooked into one of the filters you see in that code. Anyway...

    You need to back everything up as soon as you can-- files and database. I don't know what your host provides for this--- FTP access, PhpMyAdmin, etc. This is critical.

    Read FAQ My site was hacked. Follow the instructions line by line.

    To get you started. Look at <yourwebsite>/readme.html. Get the version number. Get a copy of that release from the release archive. When you get to the "Replace the core WordPress files" line in the Hacked FAQ, this is the release you use.

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