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Author Topic: How to crack Bitcoin Wallet passwords using john the ripper in kali linux  (Read 2959 times)
qasimilyas99
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August 01, 2017, 12:11:23 AM
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How to crack Bitcoin Wallet passwords using john the ripper in kali linux, I have already installed john the ripper in kali linux, Please describe me password cracking procedure, Thanks.
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HCP
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August 01, 2017, 03:18:59 AM
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Step 1. open your web browser
Step 2. Type www.google.com into the browser and press enter
Step 3. Type "john the ripper tutorial bitcoin" into the Google search box and press enter
Step 4. Read/Watch Tutorials

This one seems to cover it pretty thoroughly: http://www.gobitgo.com/articles/1005/How-To-Recover-Your-Bitcoin-Wallet-Password/

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August 01, 2017, 09:42:50 PM
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Please can you give me commands in steps , worldlist.txt & wallet.dat file is in my kali linux desktop. Please please please help me, special thanks to HCP.

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August 02, 2017, 01:53:12 AM
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Please can you give me commands in steps
Seriously? Did you even look at the guide I linked to?  Huh  It has all the commands and pretty pictures...

NOTE: You appear to have skipped step 6.2 where you extract the hash from the wallet...


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August 02, 2017, 02:55:36 AM
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How to crack Bitcoin Wallet passwords using john the ripper in kali linux, I have already installed john the ripper in kali linux, Please describe me password cracking procedure, Thanks.

you need gpu acceleration if you have a strong password to crack. It goes very quickly in the 100's of billions of possibilities... https://github.com/gurnec/btcrecover

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August 02, 2017, 03:20:13 AM
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you need gpu acceleration if you have a strong password to crack. It goes very quickly in the 100's of billions of possibilities... https://github.com/gurnec/btcrecover
They've already attempted to use btcrecover... https://bitcointalk.org/index.php?topic=2007159.msg19982862#msg19982862

Given that they seem to struggle with following guides/instructions, editing text files and using the command line... I don't hold much hope for this user recovering their bitcoins without (a lot) of external help... Undecided

aleksej996
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August 02, 2017, 11:52:15 AM
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Jhon the ripper is a CPU cracking program, which makes it very slow. Cracking passwords is like mining, you are looking for a password that fits the hash value. GPUs are better at finding hashes so you should use them for password cracking as well. I find that a program called hashcat does the best job. If you are were ever using some computer for mining then I suggest you just install hashcat(the GPU version) on them and not on your kali linux installation and you will be good to go ( you should do this because I assume they will have the best GPUs and the necessary GPU drivers installed). Don't forget to run "hashcat --help" to find everything you need, you have many options: brute-force,dictionary attack, hybrid attacks,...Good luck

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August 02, 2017, 10:32:13 PM
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Jhon the ripper is asking 16 hours, 18 minutes & 10 seconds for 100000 passwords to try. It is too slow process.
Thanks for cooperation.
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August 02, 2017, 10:40:29 PM
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hacking bitcoin  wallet passwords ae gpu intensive, using cpu bruteforce cracking method is very slow. i also heard about hashcat tools that can crack bitcoin paper wallet but it was tested in a BIP38 bitcoin wallet . i don't have an ideaa if what kind of BIPxxx bitcoin wallet you are using.maybe this tools is BIPxxx specific.

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August 02, 2017, 10:52:21 PM
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Honestly, if you managed to get John The Ripper working... you should be able to follow the instructions here: https://github.com/gurnec/btcrecover/blob/master/docs/INSTALL.md to get btcrecover and the required modules like pycrypto etc installed and working.

It should be able to test passwords a lot faster than John The Ripper.

You seem to have already generated a potential password list... so you can use that with btcrecover: https://github.com/gurnec/btcrecover/blob/master/TUTORIAL.md#the-passwordlist

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August 02, 2017, 10:54:26 PM
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Entering passwords in Bitcoin Core in an automated fashion would be even slower that Jhon the Ripper, which is, as I said, a CPU program. I guess it is using 4 of your cores there, which is way too slow compared to hundreds of cores on your GPU. This is a job for GPU, go get yourself a hashcat program and don't waste your time on that outdated program.

PS: You don't need Kali for password cracking. That is where I learned about these password cracking programs as well, but it not a good system for the job. You need a GPU driver for that, don't waste your time on anything else, Kali doesn't have as much of support for the drivers as other Linux systems. You use Kali if you are having a whole operation, since it has all of the things already packed in. You don't use it for a single purpose, usually.

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