Exam GPEN Topic 4 Question 46 Discussion

Actual exam question for GIAC's GPEN exam
Question #: 46
Topic #: 4

While reviewing traffic from a tcpdump capture, you notice the following commands being sent from a remote system to one of your web servers:
C:\>sc winternet.host.com create ncservicebinpath- "c:\tools\ncexe -I -p 2222 -e cmd.exe"
C:\>sc vJnternet.host.com query ncservice.
What is the intent of the commands?

A. The first command creates a backdoor shell as a service. It is being started on UDP2222 using cmd.exe. The second command verifies the service is created and itsstatus. B. The first command creates a backdoor shell as a service. It is being started on TCP2222 using cmd.exe. The second command verifies the service is created and itsstatus. C. The first command verifies the service is created and its status. The secondcommand creates a backdoor shell as a service. It is being started on TCP 2222connected to cmd.exe. D. This creates a service called ncservice which is linked to the cmd.exe command andits designed to stop any instance of nc.exe being run. The second command verifiesthe service is created and its status.

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