1. Malicious Software Network security Master:Mr jangjou
Presented by:Mohsen Najafi
November 2011

2. Malware
Propagation
Concealment
Virus
Warm
Trojans
Root kit

3. Malware Types Root Kit Virus ADMIN Logic bomb Zombie Backdoor Warm
Keylogger
Spyware
Trojan
Virus

4. Root Kit ADMIN Power Privileged Access Least powerful Monitoring
Open source and integrate with other malware
Help to Trojan
Attack with Kernel or User mode
ADMIN
Power

5. Logic bomb Behave like physical bomb Manual and Automatic
Remove information in database

6. Warm Very Fast Spread Self Executable Carriage Other malware
No change system and user file
Propagation in Network connections

7. Keylogger
Kernel base
API base
Form Grabbing base

8. Spyware Hidden form No self replicate Like adware
A long with other software

9. Backdoor
Remote Access
Install with Worms
Bypassing security

10. Zombie Connected to internet Under remote directions Active with spam
Spammers controls
Active with spam

11. Trojan Steal informations Low performance system Change configuration
Crashing the computer
Low performance system
Install and work hiddenly

12. Viruses Boot sector File infector Macro virus Encrypted virus
Stealth virus
Polymorphic
Metamorphic
Oligomorphic

13. Symptoms of Malware System Crach always have Poor System Performance
Your system has less available memory than it should
Unusual messages or displays on your monitor
Settings have changed and I can't change them back to the way they were
Some of your files become corrupted or suddenly don't work properly

14. Antivirus How to work How to choose (Full of Free) (File server)
(30% faster)
(Multi core)
(Wi-Fi network)
(P2P file sharing)
(Heuristic & Rootkit)
(Script and warm)
(Personal data & update)
(Virus removal)