312-92 無料問題集「EC-COUNCIL EC-Council Certified Secure Programmer v2」

What is the following shellcode trying to accomplish?
int main(void) {
mkdir("A");
chdir("A");
chroot("..//..//..//..//..//..//..//..//");
system("/bin/sh")

George is the CIO for the US Department of Defense. George's education and work experience cover everything from Systems Administration to developing complex software programs for the government. With many new federal regulations put forth by the US Department of Homeland Security, every single aspect of George's control must be secured and protected from attack. George is currently looking to purchase customized communications software for sending instant messages to branches of the DoD all over the world.
What set of security standards should George ensure the software he purchases be developed under?

Kyle is a web developer for Innovative Incorporated, a web development and graphics designing company in Dallas. Kyle is currently working on a web-based application for a client that wants dynamic and rich content on their site. Kyle is going to use java applets and flash animation to make the website really stand out. The client was adamant though about making sure the site used security features to ensure that the site itself and visitors alike would not have issues. What Java security feature can Kyle use in the development of the site to add security?

Megan has just build a new kernel using the command make bzImage. Where can Megan go now to see the newly created kernel?

Wayne is a gaming software developer for a large video gaming company in Los Angeles.
Wayne has just completed developing a new action/adventure game for the company that is to be released soon. To protect the company's copyright on the game, Wayne would like to incorporate a technology that will restrict the use of the digital files by controlling access, altering, sharing, copying, printing, and saving. What technology does Wayne want to use?

Charles is writing a script in PERL for a website he is working on. The only problem he is having is that part of his script needs to call a file that a normal user does not have permission to access. What PERL command could Charles use to elevate the current user's permission so that the file could be called?

Lori is creating a login page using Java on one of her websites with the following code.
What vulnerability or issue is the code susceptible to?
conn = pool.getConnection();
String sql = "select * from user where
username='" + "' and password='" + password +
"'";
stmt = conn.createstatement();
rs = stmt.executeQuery(sql);
if (rs.next())
{
loggedIn = true;
out.println("Successfully logged in");
}
else
{
out.println("Username and/or password not valid");
}

George is writing an application in Java and is using DES in the code to implement the encryption and decryption of data that will be passed. In the following code snippet, what will be accomplished?
FileOutputStream out = newFileOutputStream
(f);
out.write(rawkey);

What is the following PERL script trying to accomplish?
sub mycode_string {
join(""
map('$_ > 255 ?
sprintf("\\x{%04x]", $_) :
chr($_) = ~ /[[:cntrl:]]/ ?
sprintf(\\x%02X", $_) :
chr($_)
} unpack("u*", $_[0]))l
}

When dealing with IA32 (x86) systems, how are the inputted variables treated as they enter the memory stack?

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