RT @hakluke: Sometimes file uploads are restricted solely by c | DragonJAR - Seguridad Informática, Hacking

RT @hakluke: Sometimes file uploads are restricted solely by checking file signatures. This can be easily bypassed by adding a fake signature of an allowed file type. For example, if the upload accepts GIF images and you want to upload a PHP rce, try: GIF89a;
— DragonJAR - Seguridad Informática (@DragonJAR) Nov 10, 2021