Tunneling

DNS protocol

John, a professional hacker, decided to use DNS to perform data exfilteration on a target network. In this process, he embedded malicious data into the DNS protocol packets that even DNSSEC cannot detect. Using this technique, John successfully injected malware to bypass a firewall and maintained communication with the victim machine and C&C server. What is the technique employed by John to bypass the firewall?

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John, a professional hacker, decided to use DNS to perform data exfilteration on a target network. In this process, he embedded malicious data into the DNS protocol packets that even DNSSEC cannot detect. Using this technique, John successfully injected malware to bypass a firewall and maintained communication with the victim machine and C&C server. What is the technique employed by John to bypass the firewall? Option 1 : DNS tunneling method Option 2 : DNS …

John, a professional hacker, decided to use DNS to perform data exfilteration on a target network. In this process, he embedded malicious data into the DNS protocol packets that even DNSSEC cannot detect. Using this technique, John successfully injected malware to bypass a firewall and maintained communication with the victim machine and C&C server. What is the technique employed by John to bypass the firewall? Read More »

virus

Which type of virus can change its own code and then cipher itself multiple times as it replicates?

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Which type of virus can change its own code and then cipher itself multiple times as it replicates? Option 1 : Cavity virus Option 2 : Tunneling virus Option 3 : Stealth virus Option 4 : Encryption virus 1 . Cavity virus A Spacefiller (Cavity) virus tries to attack devices by filling the empty spaces present in various files. That’s why this rare sort of bug is additionally addressed as a Cavity Virus. Its working …

Which type of virus can change its own code and then cipher itself multiple times as it replicates? Read More »