GIAC
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
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)- A88% (29)
- B3% (1)
- C3% (1)
- D6% (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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