Definition of DNS tunneling attack

DNS tunneling attack is a type of cybercrime. The goal is a domain name system attack, as maybe its name suggests. So, it operates in a straightforward manner. However, DNS requests and responses frequently contain malicious material that is encoded by other programs or protocols. This provides an unnoticed command and control channel for attackers as well as a means of data theft.

History of DNS tunneling

Stages of a DNS tunneling attack

The stages of a DNS tunneling attack are as follows:

1. A hacker registers a domain and directs it to a server that belongs to him. Then it has the malware for tunneling installed on it.

2. The hacker infects the device with malware, breaks through the victim’s firewall, and abducts the affected device or the entire network.

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