Lecture 24: November 20, 2019

Reading: text, §17, 23
Due: Homework 4, due November 25, 2019; Lab 3, due on December 6, 2019 at 11:59pm

1. Greetings and felicitations!
2. Puzzle of the Day
3. Computer virus
   1. Infection vectors: boot sector, executable, multipartite, macro
   2. Concealment: TSR, stealth, encrypted, polymorphic, metamorphic
4. Computer worm
5. Bots and Botnets
6. Denial of service attacks
   1. SYN cookies
   2. Adaptive time-out
7. Miscellaneous malware
   1. Rabbits, bacteria
   2. Logic bombs
   3. Adware, spyware, ransomware
   4. Phishing, spearphishing
8. 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 November 18, 2019 at 10:02PM

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