bob123, you seem like you're pretty spot on.
Thanks.
Topic: URGENT! A 2nd Hack into our Blockchain wallet - page 2. (Read 717 times)
You were hacked, then you kept your remaining funds there? Or did you put more funds in the hacked account?
He had a compromised blockchain.info wallet and put more funds into this account (with the same seed).
When you were hacked, that account was compromised, and that computer as well.
I would format your computer and use only hard wallets.
I would format your computer and use only hard wallets.
He hasn't been hacked.
The 'admin' downloaded a malicious chrome add-on which allowed the attacker to withdraw all funds + get the seed.
The computer is most probably clean (at least not infected from this malware).
But regarding the very little knowledge about security + crypto, the PC might as well be compromised.
I'm not entirely sure how blockchain.info works in terms of how often you can export your seed, (i thought you could only do it once?), but i'm pretty sure that there's probably a way around that.
AFAIK, you can export the seed as often as you want.
Allowing to export it once wouldn't make sense IMO.
But you state that he also reverted the password back. -- I have no clue what's happening there/how that is possible. I'd heavily suggest to avoid using webwallets in the future.
If the hacker just used the 12 word seed with another wallet, then he left the Blockchain web wallet intact without changing the password i.e. he hasn't changed the password, he just left everything and took the funds, is that what you're saying?
So Blockchain sends no notification if you import the wallet using the 12 word seed? Is that what happened here?
I'm not entirely sure how blockchain.info works in terms of how often you can export your seed, (
So just to clarify, you could have all the "protection" you want, such as 2FA, email verification etc. - but if someone has your Blockchain 12 word seed - he can easily move the funds without having to go through all these security steps, correct?!
Unless you encrypted your seed, yes. (Which again, is (AFAIK) not possible with Blockchain.info)Quote
So basically these security steps are "Good for nothing" pretty much?!
Not really though. With blockchain.info you can only get someone's seed ( AFAIK, correct me if i'm wrong, i'm not exactly an expert on Blockchain.info) if you have access to his account.
2FA/email verification do make accessing/cracking someone's (web!)wallet a lot harder.
So Blockchain sends no notification if you import the wallet using the 12 word seed? Is that what happened here?
It is impossible for blockchain.com to know whether the seed as been imported into another wallet.
But let me understand this:
You have used the SAME wallet with the SAME seed on the SAME 3rd party service which is way less secure than a normal wallet AFTER the attacker gained access to your account?
Really.. ?
A really good advice from me: Please stop any business around crypto.
First learn the basics (yes, BASICS), then start dealing with money.
We are experts at advertising and paying users, yes, when it comes to Crypto we have to learn a very hard lesson here.
Who in his right mind would use a compromised account to store more funds?
Yes, it's a terrible mistake, people do make mistakes, this one is indeed quite a costly one, it's no fun for sure, but we would have to storm it out and move on.
Thanks guys for letting us know hackers can use the 12 word seed to move funds without any notification in your web wallet.
So just to clarify, you could have all the "protection" you want, such as 2FA, email verification etc. - but if someone has your Blockchain 12 word seed - he can easily move the funds without having to go through all these security steps, correct?!
So basically these security steps are "Good for nothing" pretty much?!
Or did you put more funds in the hacked account?
Why didn't you move your funds to another safer Wallet, such as Electrum or ledger as we suggested?
Why didn't you move your funds to another safer Wallet, such as Electrum or ledger as we suggested?
Moved funds to the same account, a terrible and costly mistake.
Yes, now we would use safer wallets.
You have used the SAME wallet with the SAME seed on the SAME 3rd party service which is way less secure than a normal wallet AFTER the attacker gained access to your account?
Really.. ?
A really good advice from me: Please stop any business around crypto.
First learn the basics (yes, BASICS), then start dealing with money.
Really.. ?
A really good advice from me: Please stop any business around crypto.
First learn the basics (yes, BASICS), then start dealing with money.
That's crazy. I don't understand.
You were hacked, then you kept your remaining funds there? Or did you put more funds in the hacked account?
Why didn't you move your funds to another safer Wallet, such as Electrum or ledger as we suggested?
This makes no sense in either way.
When you were hacked, that account was compromised, and that computer as well.
I would format your computer and use only hard wallets.
If you wanna keep working with cryptocurrency, hire someone to manage your funds for you, maybe a escrow?
You really should look for basic information regarding wallets and security. But for you, I can only recommend a ledger nano wallet . You can use it in any infected machine. And please , never tell your seed to anyone, write it in a piece of paper, because no hacker can hack a paper. Never take a picture or something like that.
So Blockchain sends no notification if you import the wallet using the 12 word seed? Is that what happened here?
If the hacker got your seed or private key, he doesn't have to use with Blockchain.com wallet. And if he used it with other wallet, that other wallet will not notify you (why should do that?).
If the user moved away your funds, again, why would Blockchain.com do anything? Since the wallet's seed/private key was used on Bitcoin network, it's considered a legit access.
Now again. I wrote in the 1st hack post too. Consider using a proper (new!) wallet (with new address!!) on a virus-safe computer. Since you already lost 4k$, you should also spend 100$ and get a hardware wallet.
So Blockchain sends no notification if you import the wallet using the 12 word seed? Is that what happened here?
It is impossible for blockchain.com to know whether the seed as been imported into another wallet.
But let me understand this:
You have used the SAME wallet with the SAME seed on the SAME 3rd party service which is way less secure than a normal wallet AFTER the attacker gained access to your account?
Really.. ?
A really good advice from me: Please stop any business around crypto.
First learn the basics (yes, BASICS), then start dealing with money.
But you state that he also reverted the password back. -- I have no clue what's happening there/how that is possible. I'd heavily suggest to avoid using webwallets in the future.
If the hacker just used the 12 word seed with another wallet, then he left the Blockchain web wallet intact without changing the password i.e. he hasn't changed the password, he just left everything and took the funds, is that what you're saying?
So Blockchain sends no notification if you import the wallet using the 12 word seed? Is that what happened here?
When you go on Blockchain.com to help logging in:
https://login.blockchain.com/en/#/help
You can choose - "Recover your wallet with your 12 word backup phrase" - but if you do that you need to change the current password in the account. How did the hacker knew what was the new password?
When we logged into our hacked account we used the same password from before, so how did the hacker "change" the password back to the original and just took the funds?
Would appreciate any advice.
https://login.blockchain.com/en/#/help
You can choose - "Recover your wallet with your 12 word backup phrase" - but if you do that you need to change the current password in the account. How did the hacker knew what was the new password?
When we logged into our hacked account we used the same password from before, so how did the hacker "change" the password back to the original and just took the funds?
Would appreciate any advice.
If he has the 12 word seed, i'm pretty sure he'll be able to import that into other wallets such as electrum.[1] -- if that's the case, you won't receive any notification whatsoever.
But you state that he also reverted the password back. -- I have no clue what's happening there/how that is possible. I'd heavily suggest to avoid using webwallets in the future.
[1]
See how you can transfer your blockchain.info seed into electrum here; https://bitcoin.stackexchange.com/questions/66601/how-can-i-migrate-from-blockchain-wallet-to-electrum
When you go on Blockchain.com to help logging in:
https://login.blockchain.com/en/#/help
You can choose - "Recover your wallet with your 12 word backup phrase" - but if you do that you need to change the current password in the account. How did the hacker knew what was the new password?
When we logged into our hacked account we used the same password from before, so how did the hacker "change" the password back to the original and just took the funds?
Would appreciate any advice.
https://login.blockchain.com/en/#/help
You can choose - "Recover your wallet with your 12 word backup phrase" - but if you do that you need to change the current password in the account. How did the hacker knew what was the new password?
When we logged into our hacked account we used the same password from before, so how did the hacker "change" the password back to the original and just took the funds?
Would appreciate any advice.
We posted about the 1st hack here:
https://bitcointalksearch.org/topic/someone-hacked-into-our-blockchaincom-wallet-5077276
We added a 2FA to protect our Blockchain account, and nonetheless the hacker managed to get another $2,000 from the account - how?!
We got no SMS, no email notification, nothing that told us about this hack, so how did the hacker manage to hack again into that account?
If he had the 12 words (Backup Phrase) from the 1st hack - could he access the funds "without letting us know"? Is it possible?
Can anyone please advise?
https://bitcointalksearch.org/topic/someone-hacked-into-our-blockchaincom-wallet-5077276
We added a 2FA to protect our Blockchain account, and nonetheless the hacker managed to get another $2,000 from the account - how?!
We got no SMS, no email notification, nothing that told us about this hack, so how did the hacker manage to hack again into that account?
If he had the 12 words (Backup Phrase) from the 1st hack - could he access the funds "without letting us know"? Is it possible?
Can anyone please advise?
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