All shells accept a GET parameter, cmd, to execute commands.

What is upload.py?

upload.py - script to automatically upload a webshell. i like automation eh. look at the code, you will understand from the comments what to do. if you feel like uploading another file, just type "upload it [path ot the file]" and this will upload that other file. You can use it to upload any file basically.

What is gifwebshell.php?

gifwebshell.php - GIF webshell type 1, where the server only checks whether or not the magic GIF [GIF89a] bytes are present in the file. here i took a random gif, added php code inside it and added __halt_compiler() to make things simpler in the end. This repo is to just make my life easier kek. It's for those CTFs/Pentests where you are checking if you can upload a php file with GIF magic bytes and get it executed.