How is DNS tunneling used to exflltrate data out of a corporate network?
A . It redirects DNS requests to a malicious server used to steal user credentials, which allows further damage and theft on the network
B . It computes DNS servers by replacing the actual IP address with a rogue address to collect information or start other attacks
C . It encodes the payload with random characters that are broken into short stings and the DNS server rebuilds the exflltrated data.
D . It leverages the DNS server by permitting recursive lookups to spread the attack to other DNS servers.
Answer: C