7 neurons, 98.8%: I rebuilt Microsoft's Lazarus backdoor

7 neurons, 98.8%: I rebuilt Microsoft's Lazarus backdoor Microsoft's Lazarus backdoor needs 7 edited neurons to hijack an agent model 98.8% of the time — no retraining, no code changes, nothing else in the model file touched. I rebuilt the attack at toy scale in pure NumPy: 3 edited neurons flipped…

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1. 2026-11-13 00:40 · DEV Community — Machine Learning
   7 neurons, 98.8%: I rebuilt Microsoft's Lazarus backdoor