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Free EC0-350 Exam Braindumps (page: 52)

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PDF with 878 Questions

Central Frost Bank was a medium-sized, regional financial institution in New York. The bank recently deployed a new Internet-accessible Web application. Using this application, Central Frost's customers could access their account balances, transfer money between accounts, pay bills and conduct online financial business through a Web browser. John Stevens was in charge of information security at Central Frost Bank. After one month in production, the Internet banking application was the subject of several customer complaints. Mysteriously, the account balances ofmany of Central Frost's customers had been changed! However, moneyhadn't been removed from the bank. Instead, money was transferred between
accounts. Given this attack profile, John Stevens reviewed the Web application's logs and found the following entries:
Attempted login of unknown user: johnm
Attempted login of unknown user: susaR
Attempted login of unknown user: sencat
Attempted login of unknown user: pete'';
Attempted login of unknown user: ' or 1=1--
Attempted login of unknown user: '; drop table logins--
Login of user jason, sessionID= 0x75627578626F6F6B
Login of user daniel, sessionID= 0x98627579539E13BE
Login of user rebecca, sessionID= 0x9062757944CCB811
Login of user mike, sessionID= 0x9062757935FB5C64
Transfer Funds user jason
Pay Bill user mike
Logout of user mike
What type of attack did the Hacker attempt?

  1. Brute force attack in which the Hacker attempted guessing login ID and password from password cracking tools.
  2. The Hacker used a random generator module to pass results to the Web server and exploited Web application CGI vulnerability.
  3. The Hacker attempted SQL Injection technique to gain access to a valid bank login ID.
  4. The Hacker attempted Session hijacking, in which the Hacker opened an account with the bank, then logged in to receive a session ID, guessed the next ID and took over Jason's session.

Answer(s): C

Explanation:

The 1=1 or drop table logins are attempts at SQL injection.



802.11b is considered a ____________ protocol.

  1. Connectionless
  2. Secure
  3. Unsecure
  4. Token ring based
  5. Unreliable

Answer(s): C

Explanation:

802.11b is an insecure protocol. It has many weaknesses that can be used by a hacker.



The programmers on your team are analyzing the free, open source software being used to run FTP services on a server in your organization. They notice that there is excessive number of functions in the source code that might lead to buffer overflow. These C++ functions do not check bounds. Identify the line the source code that might lead to buffer overflow.

  1. Line number 31.
  2. Line number 15
  3. Line number 8
  4. Line number 14

Answer(s): B



John is the network administrator of XSECURITY systems. His network was recently compromised. He analyzes the logfiles to investigate the attack.
Take a look at the following Linux logfile snippet. The hacker compromised and "owned" a Linux machine. What is the hacker trying to accomplish here?
[root@apollo /]# rm rootkit.c
[root@apollo /]# [root@apollo /]# ps -aux | grep inetd ; ps -aux | grep portmap ;
rm /sbin/portmap ; rm /tmp/h ; rm /usr/sbin/rpc.portmap ; rm -rf .bash* ; rm -
rf /root/.bash_history ; rm - rf /usr/sbin/namedps -aux | grep inetd ; ps -aux | grep portmap ; rm /sbin/por359 ? 00:00:00 inetd 359 ? 00:00:00 inetd
rm: cannot remove `/tmp/h': No such file or directory
rm: cannot remove `/usr/sbin/rpc.portmap': No such file or directory
[root@apollo /]# ps -aux | grep portmap
[root@apollo /]# [root@apollo /]# ps -aux | grep inetd ; ps -aux | grep portmap ; rm /sbin/portmap ;
rm /tmp/h ; rm /usr/sbin/rpc.portmap ; rm -rf .bash* ; rm -rf /root/.bash_history ; rm - rf /usr/sbin/namedps -aux | grep inetd ; ps -aux | grep portmap ; rm /sbin/por359 ? 00:00:00 inetd
rm: cannot remove `/sbin/portmap': No such file or directory
rm: cannot remove `/tmp/h': No such file or directory
>rm: cannot remove `/usr/sbin/rpc.portmap': No such file or directory
[root@apollo /]# rm: cannot remove `/sbin/portmap': No such file or directory

  1. The hacker is planting a rootkit
  2. The hacker is trying to cover his tracks
  3. The hacker is running a buffer overflow exploit to lock down the system
  4. The hacker is attempting to compromise more machines on the network

Answer(s): B

Explanation:

By deleting temporary directories and emptying like bash_history that contains the last commands used with the bash shell he is trying to cover his tracks.






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