Detecting rootkits and Kernel-level compromises in Linux
This article is intended to outline useful ways of detecting hidden modifications to a Linux kernel. Often known as a rootkit, this stealthy type of malware gets installed in the kernel of an operating system and requires special techniques by Incident handlers and Linux system administrators to be detected.
In this article we will make use of just one tool, gdb, the GNU debugger, to detect whether a Linux operating system has been compromised.
By Mariusz Burdach at SecurityFocus.
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