Sometimes you cannot upload a file. instead, you have a single input field vulnerable to Remote Code Execution (RCE) or an LFI filter that allows PHP input wrappers. You need a compact payload that fits on one line.
Using stream_socket_client() with SSL:
A modernized version of the original PentestMonkey script that includes auto-detection for Windows (cmd.exe) and Linux (/bin/sh) environments. reverse shell php top