~/talk

The Conjuring: ransomware edition!!

Talkat !!Con West 2019 · on Monday, 2019-03-25· [security]
slides:none on file

Shows concrete procedures not fluff: demonstrates a PHP server strain with weak repeatable key derivation that lets an analyst reproduce the per-victim symmetric key, dissects a Windows variant that uses CryptoAPI and AES symmetric keys, walks static disassembly and live debugging to confirm key generation and memory wiping, documents behavior that deletes shadow copies and drops ransom notes, and maps the underground economy (Empire Market affiliate model and 30% cut).

AI-written summary · about

  1. 0:00Horror movies to ransomware
  2. 1:12Finding vulnerable hosts
  3. 2:24Encryption keys in attacks
  4. 3:54Symmetric vs asymmetric encryption
  5. 5:43Malware analyst's day
  6. 8:00Analyzing new variant
  7. 11:28Dark web ransomware market
  8. 13:00Why ransomware demand
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