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DEF CON 23 - Chris Domas - Repsych: Psychological Warfare in Reverse Engineering

DEFCONConference · talk · Watch on YouTube

Security & hacking

What it is

Chris Domas's DEF CON 23 talk on psychological warfare against reverse engineers. He builds code whose disassembly and control flow graphs mislead, intimidate and demoralize anyone analyzing it.

Why Hacker News recommends it

Recommended as an entertaining and well-explained talk on anti-reverse-engineering tricks.

  • 4 people recommended it
  • 3 different months
  • 2 strong recommendations
  • first 2016, last 2026

What HN commenters said

  1. “this most awesome youtube talk on psychological warfare by Chris Domas”

    Psychological warfare against reverse engineers, very good talk

    MrQuincle, 2021-09 · Strong recommendation · in “JSFuck (2012)”

  2. “He does such a fantastic job of explaining his work.”

    One of Domas's favorite talks, well explained

    MattSteelblade, 2026-08 · Strong recommendation · in “Spaghettifying DRAM”

  3. “The author goes into detail about how it's working and some other fun stuff regarding anti-reverse-engineering.”

    Details how movfuscator works plus anti-reverse-engineering ideas

    projectdp, 2016-08 · Recommendation · in “Movfuscator – A single-instruction C compiler”

  4. “all is a good watch”

    Talk discusses movfuscator at about seven minutes in

    hulahoof, 2016-08 · Recommendation · in “Movfuscator – A single-instruction C compiler”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: chris domas, defcon, obfuscation, anti-reverse-engineering, assembly

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