Examining the art of computer forensics
To Catch a Thief
You don't need expensive proprietary tools to practice the craft of computer forensics.
Crime scene: the server room…The thief doesn't need a key card or the protection of darkness – an intruder can use the Internet to come and go. But despite the secret entrance, the attacker still leaves behind some telltale traces. Finding and interpreting this evidence is the top priority of criminal investigators.
This month's cover story explores the world of computer forensics. We'll show you some tools the experts use to find clues, recover deleted files, and root out hidden evidence. We start with a study of the open source Sleuth Kit forensics toolkit. We also look at Foremost and Scalpel – a pair of tools for finding and restoring deleted files. We show you how to examine Windows disks with Linux tools, and we end with a look at the Open Computer Forensics Architecture, a freely available collection of forensics tools and libraries developed for the Dutch police.
But if you're not really going to trial and you just want to catch the intruder on your system, you might not want to go to all the trouble of launching a full forensics investigation. The following sections describe some tips for finding intruders on the system using standard Linux utilities.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Linux Kernel 6.17 Drops bcachefs
After a clash over some late fixes and disagreements between bcachefs's lead developer and Linus Torvalds, bachefs is out.
-
ONLYOFFICE v9 Embraces AI
Like nearly all office suites on the market (except LibreOffice), ONLYOFFICE has decided to go the AI route.
-
Two Local Privilege Escalation Flaws Discovered in Linux
Qualys researchers have discovered two local privilege escalation vulnerabilities that allow hackers to gain root privileges on major Linux distributions.
-
New TUXEDO InfinityBook Pro Powered by AMD Ryzen AI 300
The TUXEDO InfinityBook Pro 14 Gen10 offers serious power that is ready for your business, development, or entertainment needs.
-
Danish Ministry of Digital Affairs Transitions to Linux
Another major organization has decided to kick Microsoft Windows and Office to the curb in favor of Linux.
-
Linux Mint 20 Reaches EOL
With Linux Mint 20 at its end of life, the time has arrived to upgrade to Linux Mint 22.
-
TuxCare Announces Support for AlmaLinux 9.2
Thanks to TuxCare, AlmaLinux 9.2 (and soon version 9.6) now enjoys years of ongoing patching and compliance.
-
Go-Based Botnet Attacking IoT Devices
Using an SSH credential brute-force attack, the Go-based PumaBot is exploiting IoT devices everywhere.
-
Plasma 6.5 Promises Better Memory Optimization
With the stable Plasma 6.4 on the horizon, KDE has a few new tricks up its sleeve for Plasma 6.5.
-
KaOS 2025.05 Officially Qt5 Free
If you're a fan of independent Linux distributions, the team behind KaOS is proud to announce the latest iteration that includes kernel 6.14 and KDE's Plasma 6.3.5.