Stealth Commanding

Skilled hackers that have sound knowledge in programming are able to attack and exploit a server by making significant changes in its code. With stealth commanding, hackers utilize parsing problems that occur in server-side scripts to make code changes with the aid of a series of techniques. Exploiting the weaknesses inherent in operating systems, hackers are able to run malicious code without proper authorization. This can result in complete seizure of servers.

How does it work? An able hacker with good technical know-how is well equipped to make modifications in an application. The modifications then enable him to execute web server commands that the web server generally would/should not do. For example, visitors browsing through a website are often asked to submit their email address in order to receive certain information. The address is submitted through a hidden field, which is possibly the location where the attack occurs and is, therefore, a dangerous spot. On submission of the email address, the website is likely to provide information to the visitor related to the queries posted by him into the given address. For the smooth execution of the above-mentioned task, a CGI script carved in Perl is used. With the help of stealth commanding, hackers can direct the system mailer to mail back the details about the master keyword to some other email address.

The ensuing consequences can be devastating since the hacker is armed with the details needed to impersonate the site and gather crucial information related to it. The hacker essentially gains control of the database, and affects the server in a harmful way. The hacker is able to complete unauthentic transactions through the website that can result in huge losses of revenue.

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