Network Protection Against: Worms, Viruses, and Root Kits Ryan Del Vecchio Cosc. 352 October 1, 2008.

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Network Protection Against: Worms, Viruses, and Root Kits Ryan Del Vecchio Cosc. 352 October 1, 2008

Symptoms Computer functions slower than normal Computer responds slow and freezes Computer restarts itself often Uncommon error message, distorted menus and dialog boxes Fail to print correctly Applications fail to work properly

Backdoor Program Installed on computer by disk, internet, etc. Permits access to computer Bypasses normal authentication process Results in spam to protect creator

Trojan Program Not a virus rather type of malware Does not self-replicate Usually found to be utility Accidentally ran

Virus Replicating itself onto saved files or programs Delete or destroy system files and formatting disks Uses large amounts of computer resources to slow it down

Types of Viruses Boot sector viruses Program viruses Stealth viruses Macro viruses Active X and Java control

Most Dangerous Virus Hoax Virus claiming to be gov, microsoft, etc. Says just discovered new virus Virus reformats hard drive or other harm In itself saying forward to all people

Effects of Hoax Clogs your server Decreases productivity drastically

Top Viruses June 2008 TYPE Kind Percentage TYPE Kind Percentage -Worm.Win32.NetSky.q Trojan.generic 34.15% -Worm.Win32.NetSky.q -Worm.Win32.Nyxem.e Trojan.generic 13.16% -Worm.Win32.Nyxem.e -Worm.Win32.NetSky.y Trojan.generic 8.20% -Worm.Win32.NetSky.y Net-Worm.Win32.Mytob.t Worm.P2P.generic 5.40% Net-Worm.Win32.Mytob.t

Worms Self replicating like viruses Does not attach itself to programs or files Self contained program More prominent then viruses because of internet and does not need help to spread

Effects Large amounts of bandwidth Deleting files Sending s Creating backdoor paths to computer

Types of Worms Kak Worm Bagle Code Red II Melissa Sober Supernova Worm

Rootkits Type of trojan that can monitor traffic What goes in and out of computer Monitor keystrokes Captures passwords Compromise system by altering system files and drivers This allows computer to “run normal”

Catching Rootkits Reboot computer from cd of flash drive Also has to have scan and detect tools Removing rootkits make difficult because alters your normal computer files

Anti-Virus Software AVG free (deluxe model) Norton McAfee Bit Defender

Rootkit Scanners AVG free (Deluxe) Panda Daimondcs Stopzilla