ports of target’s IP address[ xxxx ] .Open ports are like closed door without locks, you can go inside and outside easily.Note down open ports somewhere we need them. Step 5 : Now we have target’s IP address and port .Open CMD(command prompt) and enter those IP and port with telnet utility.[/signinlocker]To run command ,type : ” telnet [IP ADDRESS] [PORT] “(without quotes). In my case,command will be ” telnet 10.24.144.23  23 “(without quotes,see in image) .

Step 6 :  Now telnet will ask for credentials such as username and password .Just type Username and Password ,then hit Enter.If you don’t know username and password , try some guesses like  – ” admin ” , ” administrator ” 

or ” username “without any password and hit enter.

How to access target’s PC after successful connection ?

To gain access in PC , use CMD(command prompt) .Sorry no GUI ,you have to access all files music , database from CMD .Don’t worry it’s not as such difficult ,use CMD commands like ” cd / “to change directory.

Now How Can I Protect Myself ?

First ,install a Firewall program or use windows firewall but we recommend  Comodo firewall, it’s really incredible and ability to filter ports .It has pre-configured settings , so user just install it and start using (ready to serve).Don’t worry about price it’sfree.

Conclusion :

It’s like a open door From above demo ,you learned about ports scanning , open ports and it’s uses, also basic knowledge about Hacking remote PC by hackers.If you have any security related questions ,feel free to ask.

原文參見：http://www.intenseclick.com/hack-remote-computer-using-ip-address/