Malicious Software

Malicious Software Network security Master:Mr jangjou Presented by:MohsenNajafi November 2011

Malware Virus Propagation Warm Trojans Concealment Root kit

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

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

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

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

Keylogger Kernel base API base Form Grabbing base

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

Backdoor Remote Access Install with Worms Bypassing security

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

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

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

Symptoms of Malware System Crach always have Poor System Performance Your system has less available memorythan 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

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

Malicious Software