Reverse Engineering

Taking binaries apart to understand how they work — notes, tools, and challenges. First up: a full walkthrough of the WannaCry ransomware.

Reverse engineering WannaCry — Ghidra disassembly
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Reversing WannaCry

Using Ghidra to disassemble the WannaCry ransomware and hunt for the infamous killswitch URL that halted its 2017 rampage — then tracing the entry point, service creation, and propagation path down to EternalBlue.

  • Ransomware
  • Ghidra
  • EternalBlue
  • Windows PE