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EC-Council

312-50V13 · Question #343

You have compromised a server and successfully gained a root access. You want to pivot and pass traffic undetected over the network and evade any possible Intrusion Detection System. What is the…

The correct answer is C. Install Cryptcat and encrypt outgoing packets from this server. Cryptcat for Encrypted Pivoting Cryptcat is the ideal tool here because it functions like Netcat (enabling traffic tunneling and pivoting) while adding Twofish encryption to all outgoing packets, making the traffic unreadable to IDS/IPS systems that rely on inspecting packet…

Submitted by diego_uy· Mar 6, 2026Evading IDS, Firewalls, and Honeypots

Question

You have compromised a server and successfully gained a root access. You want to pivot and pass traffic undetected over the network and evade any possible Intrusion Detection System. What is the best approach?

Options

  • AUse Alternate Data Streams to hide the outgoing packets from this server.
  • BUse HTTP so that all traffic can be routed vis a browser, thus evading the internal Intrusion
  • CInstall Cryptcat and encrypt outgoing packets from this server.
  • DInstall and use Telnet to encrypt all outgoing traffic from this server.

How the community answered

(29 responses)
  • A
    7% (2)
  • B
    14% (4)
  • C
    76% (22)
  • D
    3% (1)

Explanation

Cryptcat for Encrypted Pivoting

Cryptcat is the ideal tool here because it functions like Netcat (enabling traffic tunneling and pivoting) while adding Twofish encryption to all outgoing packets, making the traffic unreadable to IDS/IPS systems that rely on inspecting packet contents. This combination of network pivoting capability and encryption directly satisfies both requirements in the question.

Why the distractors fail:

  • A (Alternate Data Streams): ADS is a Windows NTFS file system feature used to hide data within files, not to conceal network traffic - it has no network function.
  • B (HTTP): Plain HTTP traffic is unencrypted and easily inspected by IDS systems; routing through a browser doesn't hide malicious content.
  • D (Telnet): Telnet transmits all data in plaintext - it provides zero encryption, making it one of the worst choices for evading detection.

Memory Tip: Think of Cryptcat as "Netcat with a lock on it" - the "Crypt" prefix tells you everything: it does what Netcat does, but encrypted. If a question asks about pivoting and evading detection, encryption is the key word that points you to Cryptcat.

Topics

#IDS Evasion#Encryption#Covert Communication#Post-exploitation

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