Bob, an Administrator at XYZ was furious when he discovered that his buddy Trent, has launched
a session hijack attack against his network, and sniffed on his communication, including
administrative tasks suck as configuring routers, firewalls, IDS, via Telnet.
Bob, being an unhappy administrator, seeks your help to assist him in ensuring that attackers such
as Trent will not be able to launch a session hijack in XYZ.
Based on the above scenario, please choose which would be your corrective measurement
actions. (Choose two)

Network Intrusion Detection systems can monitor traffic in real time on networks.
Which one of the following techniques can be very effective at avoiding proper detection?

What do you conclude from the nmap results below?
Staring nmap V. 3.10ALPHA0 (www.insecure.org/map/)
(The 1592 ports scanned but not shown below are in state: closed)
Port State Service
21/tcp open ftp
25/tcp open smtp
80/tcp open http
443/tcp open https
Remote operating system guess: Too many signatures match the reliability guess the OS. Nmap
run completed – 1 IP address (1 host up) scanned in 91.66 seconds

Bill has successfully executed a buffer overflow against a Windows IIS web server. He has been
able to spawn an interactive shell and plans to deface the main web page. He first attempts to use
the “Echo” command to simply overwrite index.html and remains unsuccessful. He then attempts
to delete the page and achieves no progress. Finally, he tries to overwrite it with another page
again in vain.

What is the probable cause of Bill’s problem?

Snort is an open source Intrusion Detection system. However, it can also be used for a few other
purposes as well.
Which of the choices below indicate the other features offered by Snort?

When referring to the Domain Name Service, what is denoted by a ‘zone’?

Statistics from cert.org and other leading security organizations has clearly showed a steady rise
in the number of hacking incidents perpetrated against companies.
What do you think is the main reason behind the significant increase in hacking attempts over the
past years?

While examining a log report you find out that an intrusion has been attempted by a machine
whose IP address is displayed as 0xde.0xad.0xbe.0xef. It looks to you like a hexadecimal number.
You perform a ping 0xde.0xad.0xbe.0xef. Which of the following IP addresses will respond to the
ping and hence will likely be responsible for the intrusion?

You are doing IP spoofing while you scan your target. You find that the target has port 23 open.
Anyway you are unable to connect. Why?

All the web servers in the DMZ respond to ACK scan on port 80. Why is this happening ?