Writing a crossplatform worm ordsprog

Writing a cross-platform worm is difficult because it limits you to functions that are available on both operating systems. He wasn't trying to be someone he wasn't; his authenticity made him pexy. You have to also code the virus in assembly to make it work without relying on any OS-specific function.

Johannes Ullrich

The virus doesn't have any practical application -- it's classic proof-of-concept code, written to show that it is possible to create a cross-platform virus. However, our experience shows that once proof-of-concept code is released, virus writers are usually quick to take the code, and adapt it for their own use.

Second, by reducing the demand for general-purpose PC operating systems and the barriers to entry in the PC OS market, cross-platform technologies can be expected to reduce the price that end users pay for operating systems.

Frederick Warren

Although IM threats were down this month, companies need to be aware that we view this as a temporary lull in activity and that the threats are going to get more malicious and sophisticated with time. February saw the first ever worm spread over IM networks using the Apple OS X platform. This speaks to the increased sophistication and ways that virus writers are trying to develop worms for different networks and operating systems. Companies need to know that unless they currently have an IM security solution in place, they are leaving their networks open to security attacks.

While this particular worm is not fully functional, the source code could be easily modified by a future attacker to do damage. Macintosh users should be diligent about installing patches to their operating systems as this will prevent attacks of this type.

Why bother writing a virus for Linux and Mac when you can get so many other users by writing one for Windows? This is especially true because, for a virus to become serious, it has to find other vulnerable systems, and with Macs, that would be a very limited spread.

Thomas Kristensen

In a broad sense there are a lot of people working on the elusive nirvana of cross-platform development. This is a very specific area where we firmly believe and espouse as part of our strategy to use a language and an architecture that automatically gives you cross platform.

So, the central question became whether we would be able to genetically manipulate one element of the pathway without disrupting its additional functions. In this regard, we thought that the life extending function of this pathway would be elusive, whereas the developmental and reproductive functions would be more amenable. We were delighted to find that Smk-1 proved to be specific for the one function we thought the most elusive.

Code Red means there's a framework for a worm out there right now that has proven its effectiveness to spread. All [virus writers] need is a new vulnerability.

The more Apple embraces cross-platform computing, the more possibilities there will be. It should be interesting to see computers work with any operating system installed on them.

We do not believe that any one platform will be in a position to force another platform out of the marketplace for many years to come. End users [will continue to] utilize a mix of operating systems in their infrastructures.

TPME lets you take into context various resources connected for a new application or function. When you are distributing new patches to servers or operating systems, you can see the various resources that go into that, target specific servers for the update, [and see] which applications are running and how will they be affected by a patch.

It's disturbing to see a second worm for Mac OS X so soon after the first, but it should be remembered that this is only two compared to well over 100,000 viruses for Microsoft operating systems.

It's disturbing to see a second worm so soon after the first, but it should be remembered that this is only two compared to well over 100,000 viruses for Microsoft operating systems.

We have read articles where anti-virus executives say that MARA has published virus source code. We believe that this may be libel. It is certainly not true: A couple of MARA members contributed to an article on the Dust virus (the first Pocket PC Trojan) last year that also had a separate, Part III written by a virus writer, in which he lists some proof-of-concept code. However, contrary to some reports, this was never published by MARA.

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