Incident Response Tools For Unix, Part One: System Tools

Friday, 28 March 2003, 12:41 PM EST

This article is the first in a three-part series on tools that are useful during incident response and investigation after a compromise has occurred on a OpenBSD, Linux, or Solaris system. This installment will focus on system tools, the second part will discuss file-system tools, and the concluding article will look at network tools. The information used in these articles is based on OpenBSD 3.2, Debian GNU/Linux 3.0 (woody), RedHat 8.0 (psyche), and Solaris 9 (aka Solaris 2.9 or SunOS 5.9).

Depending on what operating system you're using, some of the software discussed in this article may not be part of the base install. In this case, the reference section at the end of this article provides several ways to acquire the tools in question.

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