The ways of viruses in Linux
HOW SAFE?
Some say an attack is looming, and others say we don’t have to worry. What’s the real story on viruses in Linux?
Linux may not be as vulnerable as Windows, but if you think Linux viruses don't exist, you’d better think again. Virus writers have any number of possibilities for passing viruses into Linux, although the damage will be limited if you’re careful and follow a few simple rules. In this article, I’ll describe some examples of how Linux viruses work, and I’ll give you some tips for keeping your system safe. A Theoretical Linux Virus Most Linux distributions come with gzexe, a small utility that compresses executable files and automatically uncompresses them when they’re started. For example, you can copy /bin/date to /tmp and run gzexe /tmp/date to compress the executable file. The size of /bin/date and /tmp/date should differ, and the latter should be noticeably smaller. Now try to run both files. Do you notice any difference?
Read full article as PDF:
Viruses_in_Linux.pdf (192.57 kB)Tag Cloud
News
-
Munich Adopts Kolab
The Bavarian capital shuns Microsoft, Google, and other alternatives to implement an open-source groupware solution.
-
Canonical Announces Ubuntu Smartphones
Phone vendor partnerships bring Mark Shuttleworth's dream of Ubuntu on a phone a step closer to reality.
-
Piviti Seeks Funding
Donors will get to vote on new features for the free video editor.
-
Debian Tech Committee Votes for systemd
Debian project puts init out to pasture and says no to Ubuntu's Upstart.
-
The Mask: Scary New Face of Internet Intrusion
Ultra-sophisticated attack tool might have originated from a state-sponsored intelligence service.
-
Epoch 1.0 Released
New alternative for init comes with a small footprint and minimal configuration.
-
Wayland 1.4 Challenges X11
X marks the target for the next-generation windowing system.
-
Red Hat Adopts CentOS
Super-clone CentOS Linux gets beamed up to the mother ship.
-
W3C Promotes Media Source Extensions
HTML technology will enable new video editing and playback options.
-
Valve Announces SteamOS Beta
New Linux distro is optimzed for gaming.