How to block IP on Router, server controlling malicious Wanna Cry (C&C Server)

To perform block IP on Router, server controls malicious code Wanna Cry, we need access to settings Router. Of course, you must know the router’s IP address to access it successfully. See the IP address on the computer right inside CMD. For those who regularly edit the Internet, viewing IP addresses on computers is too simple. But for users who are not familiar with using Router settings, you need to see the step-by-step instructions of Taimienphi.vn to be able to perform. After viewing the IP address on your computer, follow these instructions to block the IP on the Router, the server controlling the Wanna Cry malware, this is also one of the ways to prevent WannaCry effectively in many ways. WannaCry virus blocker has been introduced recently.

How to block IP on Router, Wanna Cry (C&C Server) malicious control server:

1. View the IP address of the Router.

Step 1: Although there are instructions for viewing the IP address in the link above, but Taimienphi.vn still detailed instructions from the beginning so that new people can do it.

First, to access the Router, the user needs to know the Default Gateway address. Press Start > search cmd and run cmd under the command Adminitrastor.

Step 2: Enter the command line ipconfig and press Enter.

At the section Default Gateway is the IP address to access your Router. Please enter that address into the browser URL.

2. How to block IP on Router, server controlling malicious Wanna Cry (C&C Server)

Step 1: When accessing the Router, you must enter the device ID and password. The default will be Admin and Admin . Then you press Log in .

Step 2: Find to section Access Control >Host and press Add New .

Step 3: Set the parameters as follows:

Mode : IP Address

Host Description : Description of blocked IPs.

LAN IP Address: Block IP ranges.

Press Save.

For example, if Taimienphi.vn blocks IP from 192.168.20.16 to 192.168.20.29, those IP addresses will not be able to access your computer. This makes the Wanna Cry Virus inaccessible via LAN or IPs at risk of spreading Wanna Cry.

Step 4: Complete blocking IP, please continue to enter Access Control> Target> Add New.

Step 5: At the section:

Mode: Switch to Domain Name

Target Description : Description of blocked domains.

Domain Name: Domain names contain keywords.

You can choose to block any website with this feature. Websites that contain Domain names in the block will not be accessible.

Press Save.

Finally turned back Access Control> Rule again and tick Deny the packets specified by any enabled access control policy to pass through the Router to prevent restricted websites.

After you know how to block iP on the Router, you need to list the server controlling malicious code and ip address of those servers below to block.

List of malicious control servers (C&C Server)

(According to VNCERT)

Above is detail on how to block IP on Router, server controlling malicious Wanna Cry (C&C Server). It can be seen that this is a great trick that users should choose to prevent the threat of Wanna Cry infection. If your computer is unknowingly infected with WannaCry, if you have not been controlled data, do not worry, please refer to the way to handle WannaCry introduced by Taimienphi to remove this virus.

https://thuthuat.taimienphi.vn/cach-chan-ip-tren-router-may-chu-dieu-khien-ma-doc-wanna-cry-c-c-server-23803n.aspx
Another way to block IP that users should know is to use Firewall to block the IP address range. This trick also helps us block a series of IP addresses at risk of spreading Wanna Cry virus. You can choose the way Use Firewall to block IP address range or block IP on Router, Wanna Cry malicious control server. Hopefully this article of Taimienphi.vn will best support you to prevent the Wanna Cry virus.