mozhu1024

<?php
    /*

    The algorithm of injecting the payload into the JPG image, which will keep unchanged after transformations
    caused by PHP functions imagecopyresized() and imagecopyresampled().
    It is necessary that the size and quality of the initial image are the same as those of the processed
    image.

    1) Upload an arbitrary image via secured files upload script
    2) Save the processed image and launch: