Today,I will write about hacking computer inside the LAN network.This technique will be taking advantage of Port 139.Most of the time,Port 139 will be opened.First of all,I will do a port scanning at the target computer which is 192.168.40.128.This computer is inside my LAN network.I will scan it using Nmap.I get the result and it shows Port 139 is opened up for me.Now you will need both of these tools:** USER2SID & SID2USER** NetBios Auditing ToolYou can get both of them on the Internet.After you get both of them,put them in the C:\ directory.You now need to create a null session to the target computer.Now open the Command Prompt and browse...