virus

Introduction to Virus ,[object Object],[object Object],[object Object],[object Object]

How can a simple virus effect us ? ,[object Object],[object Object],[object Object],Virus Year Estimated Damage CIH 1998 20M to 80M $ Melissa 1999 300M to 600M $ Code Red 2001 2.6B $ SQL Slammer 2003 shut down South Korea's online capacity for 12 hours Blaster 2003 2B to 10B $ Sobig.F 2003 5B to 10B $ MyDoom 2004 At its peak, slowed global Internet performance by 10 percent and Web load times by up to 50 percent Sasser 2004 Tens of millions of dollars

How Does a Virus Work??? Trouble Prepender Virus Program Start End

How Does a Virus Work??? Appender PE Infector Overwriter

Why does one write virus programs ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of electronic infections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Virus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A simple virus ,[object Object]

Trojan horses ,[object Object],[object Object],[object Object],[object Object],[object Object]

Worms ,[object Object],[object Object],[object Object],[object Object]

Logic Bombs , Malware , Spyware & Adware ,[object Object],[object Object],[object Object],[object Object]

Different Phases of Virus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Mean Programs ,[object Object],[object Object],[object Object],[object Object],[object Object]

How Does Anti-virus Work? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Signature Based Detection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ABMCISVCEYWOU TXNDRUSLWINTQ URPLKXUIXNHSQ ARNQUARTLPOLL PWNMAZIWALNOI BVARKLVOWELSV WESETNODHEREW

Problems with Signatures ,[object Object],[object Object],[object Object],[object Object],[object Object]

Understanding Compression and Encryption ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Contd….. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Understanding Polymorphism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Understanding Heuristics ,[object Object],[object Object],[object Object],[object Object],[object Object]

False Positives ,[object Object],[object Object],[object Object],[object Object]

Front Door Attacks ,[object Object],[object Object],[object Object],[object Object],[object Object]

Back Door Attacks ,[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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