EC-Council
EC0-350 · Question #790
EC0-350 Question #790: Real Exam Question with Answer & Explanation
The correct answer is D. Use HTTPTunnel or Stunnel on port 80 and 443. See the full explanation below for the reasoning.
Question
John has a proxy server on his network which caches and filters web access. He shuts down all unnecessary ports and services. Additionally, he has installed a firewall (Cisco PIX) that will not allow users to connect to any outbound ports. Jack, a network user has successfully connected to a remote server on port 80 using netcat. He could in turn drop a shell from the remote machine. Assuming an attacker wants to penetrate John's network, which of the following options is he likely to choose?
Options
- AUse ClosedVPN
- BUse Monkey shell
- CUse reverse shell using FTP protocol
- DUse HTTPTunnel or Stunnel on port 80 and 443
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