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7 Things to Know about Virus Writers
by Monte Embysk
reprinted with permission from the Microsoft Small Business Center
I spend a growing percentage
of my time getting rid of unwanted e-mails that contain viruses. If I
open one of them, it potentially could overwrite files and disable my
antivirus software.
What exactly is in the heads
of these virus writers? Anything?
I took my inquiry to Sarah
Gordon, an expert on the psychology of hackers and virus writers. She
did her best to answer an overly broad question. Gordon is a senior
research fellow at Symantec's security response unit, and previously was
a researcher for the antivirus research and development team at IBM's
Thomas J. Watson Research Center.
She meets face-to-face with
hackers and virus writers on occasion, to understand why they do what
they do, and conducts research at international hacker conferences such
as DEF CON. To see Gordon's background and some of her research papers,
visit her Web site at www.badguys.org.
She'll tell you right away
that hackers -- people who devise ways to break into networks -- are a
different animal than virus writers, and in most cases, more advanced.
Virus writers are generally younger (some as young as 10 or 11 years
old), on a lower rung of the underground tech strata and not always
aware of the damage that could incur. Also, she stresses, except in a
few states, writing damaging viruses isn't against the law.
All that is Gordon's way of
suggesting there truly is a low barrier to entry. She says parents and
teachers need to be more assertive in teaching kids in the Internet Age
that morality is as important in the virtual world as it is in the real
world. In general, parents need to pay more attention to what their
children are doing on the computer. She also chastises journalists for
frequently overestimating the damage virus writers do, thereby
glorifying their acts and power.
"While the media are starting
to realize that virus writers are not geniuses, or heroes 'helping' us
to understand security risks, there is still a long way to go --
especially in countries where viruses (and virus writing) are relatively
new and where ethics is not part of the curriculum," she says in an
e-mail interview.
Transferring real-world
values
Courtesy of Gordon, here are
seven things about virus writers that you should know.
1. They're often kids, but
not always. In general, virus writers are young people under 30 and
predominantly male, Gordon says. Many are in their teens. But
stereotypes can be dangerous here, because some veteran IT people have
been known to write viruses on the side to "test the security" of
certain networks and systems. "Often people 'play around' with viruses,
not realizing the damage they can cause. They think that because they
can't 'see' them do anything, it's all OK." Generally, the older a virus
writer is, the more that he knows what he is doing, although this varies
from country to country.
2. Their goals vary, and
many don't even have goals. Some simply are exploring programming
self-replicating code. Others, however, are trying to gain notoriety or
make a personal, political or social statement. A few are disgruntled
workers. "Generally, many young people who write viruses don't connect
the act with the damage that can occur . . . That said, some virus
writers have a pretty good idea of the end result, and do it anyway.
These tend to be older individuals, who write viruses with the intent of
causing damage and chaos." The media has frequently exaggerated the
impact early on, encouraging others to create their own stir, Gordon
says. But she recognizes the media's role in trying to notify users
early on so they can prepare their defenses.
3. Their targets are
generally random. Many virus writers claim to be pointing out the
vulnerabilities of a software product or manufacturer or the lack of
security at a particular company, such as where they work. Gordon
contends that many use that as an excuse or "cover" for an adventure
gone awry, or for destruction more widespread than anticipated. She
suggests that most people directing anger or actions at specific targets
will use other means, such as hacking their systems, to accomplish their
goals. "Most viruses don't appear to be written with destruction in
mind," she reiterates. "Many are written to be destructive -- and while
there may be a political or a social statement in them, they are
generally (though not always) pretty much randomly targeted."
4. Virus writers aren't
necessarily rocket scientists. This is not a collective slam on
their brainpower, but more to suggest that it doesn't take elite
technical skills to write damaging viruses -- which is scary. "Virus
writing is not rocket science, and it doesn't take any special elite
skill to be able to write a self-replicating program," she says.
Essentially, virus writers produce self-replicating code that includes a
damaging payload. Those who create the most destructive payloads -- the
Klez, SirCam and Nimda viruses, for example -- very well may be at the
head of their class, she admits. Yet, for the most part, as virus
writers advance their technical skills, they move beyond virus writing
to other technical pursuits. "As virus writers 'age out,' new virus
writers take their places," she says in a research paper.
5. Virus writers feed off
new technology and each others' innovations. Serious virus writers
don't reinvent the wheel; they build on to what has caused havoc in the
past. They also take advantage of the latest tools and technologies,
Gordon says. As a result, tomorrow's viruses are likely to be more
complicated and potentially much more destructive than today's, she
says. The good news is that virus writing doesn't seem to be a career
for many.
6. Education can help stop
them. Educating PC users on what attachments not to open is part of
this, but not really Gordon's point here. She believes that families and
schools, in the Internet Age, have an obligation to teach children how
to behave on the computer -- to extend moral and ethical behavior from
the real world to the virtual world. For example, children need to be
taught that reading another person's e-mail is just as wrong as opening
a letter from a neighbor's mailbox. "This technology lends itself well
to depersonalization and de-sensitization," she says. "We need to learn
more about the dynamics of computer-mediated communication, and find
ways to help real-world values transfer to virtual interactions."
7. Protection needs to be
fortified. Before No. 6 has measurable impact, we need to worry
about No. 5. Gordon foresees more challenging viruses ahead, including
viruses combined with hacking tools to beat through antivirus
protection. She recommends that businesses have firewall-intrusion
protection as well as antivirus software. "The solutions must be
integrated too to deal with these blended threats. It is not enough to
be protected from just viruses." She adds that while viruses now target
the PC, they likely will threaten mobile devices in the years ahead.
Hackers, as I've said, are a
different breed.
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