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Vagrant

Vagrantfile per a tenir un «client» linux passant per una gateway Kali i poder inspeccionar el trànsit amb Wireshark.

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :
 
Vagrant.configure("2") do |config|
 
  config.vm.define "client" do |client|
    client.vm.box = "ubuntu/jammy64"
    client.vm.network "private_network", ip: "192.168.56.100"
    client.vm.provider "virtualbox" do |vb|
      # Display the VirtualBox GUI when booting the machine
      vb.gui = true
      # Customize the amount of memory on the VM:
      vb.memory = "4096"
    end
  end
 
  config.vm.define "gateway" do |gateway|
    gateway.vm.box = "kalilinux/rolling"
    gateway.vm.network "private_network", ip: "192.168.56.10"
    gateway.vm.provider "virtualbox" do |vb|
      # Display the VirtualBox GUI when booting the machine
      vb.gui = true
      # Customize the amount of memory on the VM:
      vb.memory = "4096"
    end
  end
 
end

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Seguint aquest article:

Per canviar la default gateway al client:

change_default_gateway.sh

route add default gw 192.168.56.10
netstat -rn

Per fer de gateway a Kali:

gateway.sh

modprobe iptable_nat
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables -A FORWARD -i eth1 -j ACCEPT

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