Lecture 20: May 15, 2026

Reading: text, §23.2–23.3.2
Assignments: Homework 3, due May 15, 2026 (Note extension from May 11, 2026)

  1. Greetings and felicitations!

  2. Trojan horse
    1. Rootkits
    2. Propagating Trojan horses

  3. Computer virus
    1. Infection vectors: boot sector, executable
    2. Infection vectors: boot sector, executable, multipartite, macro
    3. Concealment: TSR, stealth, encrypted, polymorphic, metamorphic
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Matt Bishop
Office: 2209 Watershed Sciences
Phone: +1 (530) 752-8060
Email: mabishop@ucdavis.edu
ECS 153A, Computer & Information Security & Privacy I
Version of May 15, 2026 at 7:43PM

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