From DarkReading (Kelly Jackson Higgins)
Kernel rootkits are tough enough to detect, but now a researcher has demonstrated an even sneakier method of hacking Linux.
The attack exploits [dtors.org PDF] an oft-forgotten function in Linux versions 2.4 and above in order to quietly insert a rootkit into the operating system kernel as a way to hide malware processes, hijack system calls, and open remote backdoors into the machine, for instance. Read the full story [darkreading.com]