|Like this CertiGuide? Get it in PDF format!|
Use coupon code "certiguide" to save 20%!
|Also available: 300-question Security+ practice test!|
|Get It Here!|
1.5 Malicious Code
Malicious code is program code
specifically written for a malicious purpose (rather than code written
for a legitimate purpose, which a cracker figured out how to misuse).
For example, you would call a piece of code malicious if it deliberately
did something like:
- Delete files on your disk, or reformat your disk,
without the users knowledge
- Report the contents of your email address book
to a web server collecting email addresses for a spammer
- Display Ha ha, youve been rooted!
and other such messages on your computer
- Replace certain system files with other files,
causing programs to malfunction
- Capture your network password and email it to
This section discusses some different
types of malicious code you may encounter out in the field when administering
or managing security for a network. Each type of code discussed below
differs mainly in how it gets propagated from one user (or system) to
another, and how it gets activated to do its dirty deed(s) once it gets
onto a system, rather than in the functionality the destructive program
|If you find CertiGuide.com useful, please consider making a small Paypal donation to help the site, using one of the buttons below. You can also donate a custom amount using the far right button (not less than $1 please, or PayPal gets most/all of your money!) In lieu of a larger donation, you may wish to consider buying an inexpensive PDF equivalent of the CertiGuide to Security+ from StudyExam4Less.com. (Use coupon code "certiguide" by December 31, 2004 to save 20%!) Thanks for your support!|
Table Of Contents - Contact Us
CertiGuide for Security+ (http://www.CertiGuide.com/secplus/) on CertiGuide.com
Version 1.0 - Version Date: November 15, 2004
Adapted with permission from a work created by Tcat Houser et al.
CertiGuide.com Version © Copyright 2004 Charles M. Kozierok. All Rights Reserved.
Not responsible for any loss resulting from the use of this site.