Welcome to ExamTopics
ExamTopics Logo
- Expert Verified, Online, Free.
Mail Us [email protected]
Menu

Unlimited Access

Get Unlimited Contributor Access to the all ExamTopics Exams!
Take advantage of PDF Files for 1000+ Exams along with community discussions and pass IT Certification Exams Easily.
Certnexus Discussions

Exam CFR-310 topic 1 question 27 discussion

Actual exam question from CertNexus's CFR-310
Question #: 27
Topic #: 1
[All CFR-310 Questions]

During a malware-driven distributed denial of service attack, a security researcher found excessive requests to a name server referring to the same domain name and host name encoded in hexadecimal. The malware author used which type of command and control?

  • A. Internet Relay Chat (IRC)
  • B. Dnscat2
  • C. Custom channel
  • D. File Transfer Protocol (FTP)
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by r04dB10ck at March 19, 2023, 7:35 a.m.

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Submit Cancel
Wutan
7 months, 3 weeks ago
Selected Answer: B
The answer is B. Dnscat2. Dnscat2 is a DNS tunneling protocol that can be used to establish a covert communication channel between a malware-infected device and a command and control server. Dnscat2 uses DNS queries to transmit data, which makes it difficult to detect and block.
upvoted 1 times
...
r04dB10ck
1 year, 1 month ago
Selected Answer: B
netcat via DNS protocol
upvoted 2 times
...

Get IT Certification

Unlock free, top-quality video courses on ExamTopics with a simple registration. Elevate your learning journey with our expertly curated content. Register now to access a diverse range of educational resources designed for your success. Start learning today with ExamTopics!

Start Learning for free
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel