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MetaMask hacked 😰 (alien.top)

submitted 10 months ago by supervylan@alien.top to c/ethereum@blockchained.world

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I just got hit for a ton of eth 3 meta wallets drained. Anyone heard anything or could help point me in the right direction of what to do? No idea how they accessed my funds.

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[–] dericecourcy@alien.top 1 points 10 months ago

The transaction 0xe5e7266bf6abb1babf4024373957f04f0c7c61eb14670502acf2374a4ed4e8e6 was a basic ether send, which means somehow you gave away your private key or signed ~~a message~~ [this transaction when] you should not have

There are a few ways someone can get your private key. Physical access is one, but another is by signing messages with certain overlapping parameters, then some clever crypto math can be done to deduce your private key. https://medium.com/asecuritysite-when-bob-met-alice/cracking-ecdsa-with-a-leak-of-the-random-nonce-d72c67f201cd