October 2016
Beginner
406 pages
7h 50m
English
Content preview from CentOS 7 Server Deployment CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Checking for rootkits with chkrootkit
In the unfortunate event that an attacker gains access to your system, one of the first things they'll do is try to hide their intrusion while preserving access for as long as possible, perhaps by installing a rootkit. A rootkit is a program that runs stealthily and gives the attacker administrator access. They embed themselves in the Linux kernel to prevent detection, and there are even rootkits that can hide in a system firmware's dedicated memory allowing an attacker to control the system even when it's powered down. This recipe shows you how to check your system for rootkits using chkrootkit.
Getting ready
This recipe requires a CentOS system with a working network connection. Administrative privileges are ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.