Security Administrators should not only be aware of
this technique but should routinely scan for the existence of these files.
556 Practical Hacking Techniques and Countermeasures
Lab 81: Capturing Switched Network Traffic
Intercept/Exploit Traffic: Ettercap
Prerequisites: None
Countermeasures: Encryption, strong security policy, sniffer detection
tools
Description: Ettercap is designed to accomplish man-in-the-middle
(MTM) attacks. With live sniffing of data, live filtering, active, and
passive capturing, Ettercap can be a very dangerous tool in the network
environment, especially in a switched network, because it allows the
user to sniff traffic on a switch or manipulate the data.
Procedure: Set the parameters, execute, and analyze the data.
Double-click the ettercap-0.6.b-installer-NT2KXP icon to begin the
Ettercap installation.
Install Ettercap with the default options.
The Ettercap installation will complete. Click Close.
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You will be asked: Do you want to install the packet driver now?
Click Yes.
Install WinPcap 2.3 with the default options. The WinPcap installation
will complete. Click OK.
558 Practical Hacking Techniques and Countermeasures
From the attacker??™s machine click on Start/Programs/ettercap/ettercap
prompt.
The ettercap prompt will now be displayed.
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To start Ettercap, type ettercap and press Enter.
Ettercap will detect the network cards installed and allow you to select the
one you want to use for the attack.
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