Our operating systems are insecure. They are protected to a
certain extent, but still insecure. The reason of this lies in
the fact that they were designed and created at the time when
the problem of security just did not arise. And even so-called
"update services" were not intended to enable millions of users
to defend themselves against a threat. It just happened that
most of the discovered errors concern security. Trying to
eliminate this defect users have to use third-party software -
anti-viruses, firewalls, spam filters and anti-spyware.
Installation of such software can produce a false impression of
security. The user must not forget that this means of protection
is not a magic wand but software, just like the operating
system. It also can contain errors and be vulnerable.
For example, the resource http://www.rem0te.com contains
some reports concerning discovered defects in popular anti-virus
programs. The author of these reports shows critical
vulnerabilities, by using which a malicious program can not only
block the work of anti-virus software but also execute malicious
code at the user computer.
Designing Arovax
Shield we have faced a technical problem which, if solved in
a wrong way, could cause vulnerabilities in our product. We have
found our own solution but during the discussions a number of
different variants were proposed, so we decided to check the
least suitable variants with other software products dealing
with real-time protection.
Our research has shown that many manufacturers either don't pay
attention to this problem at all or use an extremely insecure
variant. For example, several producers of very popular
anti-spyware programs use the following mechanism to unload
their programs from memory before updating them: it's enough to
run the program with the "/u" key. And these producers claim
that one of the key features of their software is perfect
real-time protection! Just imagine, any malicious program can
simply execute the command superantispyware.exe /u and
then do whatever it wants.
Due to active investigations of security tools' own security and
discovering vulnerabilities in them many manufacturers create
their own "update services" for their products. In Arovax, we
also try hard to create a mechanism which will enable users to
quickly and easily update our software. Our new products now
provide the feature of Live Update. And we, as always,
appreciate any your comments, requests and remarks.
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Article: Hacking AntiVirus Author: Joseph Boyd (Arovax) Publication Date: 2008-01-27 Total Views: 753 Word Count: 348 Category:Home /
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