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Rootkits: Sneaky, Stealthy Toolboxes. Chapter 3. Outline. What is a Rootkit? What are Rootkits used for? Rock Star Rootkit: Sony's famous Malware How Rootkits Work Rootkit Scanners The Simplest Rootkit Removal Technique. What is a Rootkit?.
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Rootkits: Sneaky, Stealthy Toolboxes Chapter 3
Outline • What is a Rootkit? • What are Rootkits used for? • Rock Star Rootkit: Sony's famous Malware • How Rootkits Work • Rootkit Scanners • The Simplest Rootkit Removal Technique
What is a Rootkit? • Let's say your computer looks like it is infected by a virus or by adware, but a scan doesn't reveal anything. • The solution might lie in a rootkit. • A Rootkit is a technology which hides itself and other programs and prevents their detection.
What are Rootkits used for? • They are used to make it harder to remove the malware they hide.
Rock Star Rootkit: Sony's famous Malware • It started as DRM software: two technologies: • XCP or Mediamax • It “hid” all files whose name started with $sys$ • How to tell whether you have a bad CD: • It says “Copy Protected” in the Spine. • On the back it says “Compatible with” and some system specs. • (see the rest on page 91)
How Rootkits Work • Rootkits conceal the trails that lead to the virus by modifying the operating system
Rootkit Scanners • Root kit scanners are included in McAfee, Norton, F-Secure, etc. security utility. • Best to use more than one • Freely available: • F-Secure Blacklight • Rootkit Revealer • Microsoft Windows MaliciousSoftware Removal Tool • Rootkit Hook Analyzer
The Simplest Rootkit Removal Technique • Use System Restore (page 99)