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GCIH · Question #347

Covert_TCP will use which of the following byte offsets on the TCP header to carry ASCII data?

The correct answer is A. Byte offset 8-11. Covert_TCP allows for transmitting information by entering ASCII data in the following TCP - TCP initial sequence number - TCP acknowledgement sequence number The image reveals that these fields are in Byte offsets 4-7 and 8-11.

Malware Analysis & Advanced Persistent Threats

Question

Covert_TCP will use which of the following byte offsets on the TCP header to carry ASCII data?

Exhibit

GCIH question #347 exhibit

Options

  • AByte offset 8-11
  • BByte offset 20-23
  • CByte offset 14 and 15
  • DByte offset 18 and 19

How the community answered

(33 responses)
  • A
    88% (29)
  • B
    3% (1)
  • C
    3% (1)
  • D
    6% (2)

Explanation

Covert_TCP allows for transmitting information by entering ASCII data in the following TCP - TCP initial sequence number - TCP acknowledgement sequence number The image reveals that these fields are in Byte offsets 4-7 and 8-11.

Topics

#Covert_TCP#TCP header offsets#covert channel#data exfiltration

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