while ($true) { nc -l -p 8080 -c "echo -e 'HTTP/1.1 200 OK\n\n Hello from Windows Netcat!'" } Or with Ncat’s --keep-open and a static file:
nc -l -p 4444 On Machine B (Client):
ncat [options] [target host] [port] Check your version: netcat windows
If you’ve spent any time in Linux or macOS penetration testing or network debugging, you’ve likely heard the legendary praise for Netcat ( nc ). Often called the "Swiss Army knife of networking," it allows you to read, write, and relay data across network connections using the TCP or UDP protocol. while ($true) { nc -l -p 8080 -c "echo -e 'HTTP/1