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Connecting

OpenVPN on Linux

Once you receive your openvpn configuration file and login details, connecting to the lab is easy.

sudo openvpn <redseerlabs.ovpn>
# enter username
# enter password
  • Confirm that you are successfully connected to the VPN and that you were issued an address on the 10.10.10.x/32 network

connecting to lab 

ip addr show dev tun0
confirming dhcp assignment on lab vlan

Check machine and server connectivity

to the Target Lab Environment on the 192.168.10.x/24 network

We can use crackmapexec, which is built into Kali Linux to quickly check if everything seems to be working correctly, and also gather some windows machine names, IPs and domains thanks to our friend netbios. 

crackmapexec smb 192.168.10.1/24

Network Enumeration with Crackmapexec

We can now see the 3 Domains: (Domain Controllers will usually have SMB Signing set to True)

  • sevenkingdoms.local
    • KINGSLANDING 192.168.10.10
  • essos.local
    • MEEREEN 192.168.10.12
    • BRAAVOS 192.168.10.23
  • north.sevenkingdoms.local
    • WINTERFELL 192.168.10.11
    • CASTELBLACK 192.168.10.22

Next: Setting up our Attacker Machine