Lecture 26: May 26, 2021

Reading: text, 23.3.2-23.10
Due: Homework 5, due June 2; Lab 3, due May 26

1. Computer virus
   1. Infection vectors: boot sector, executable, multipartite, macro
   2. Concealment: TSR, stealth, encrypted, polymorphic, metamorphic

2. Computer worm

3. Bots and Botnets

4. Miscellaneous malware
   1. Rabbits, bacteria
   2. Logic bombs
   3. Adware, spyware, ransomware
   4. Phishing, spearphishing

5. Defenses
   1. Scanning
   2. Distinguishing between data and instructions
   3. Containment
   4. Specifications as restrictions
   5. Limiting sharing
   6. Statistical analysis
   7. Trust

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 153, Computer Security Version of May 24, 2021 at 11:11AM

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