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Ethereum password cracker

If you forgot your password for Ethereum private key or presale file, but think you still remember the list of possible substrings from wich you constracted the password, then try this progam to routinly go through all the possible combinations and find the working password.

PLEASE DO NOT TRUST ANYONE TO COMPILE THE PROGRAM FOR YOU. ALWAYS USE THE SOURCE CODE DOWNLOADED FROM THE GITHUB. THIS WAY YOU CAN BE SURE, THE PROGRAM DOES NOT HAVE ANY MALICIOUS CODE !!!

Gitter Channel

https://gitter.im/lexansoft/ethcracker

Usage

ethcracker -pk ~/test/pk.txt -t ~/test/templates.txt

-pk path to the private key file
-t  path to the template file
-l  path to the file with all the possible variants (every line has one variant) If -l is specified, -t is ignored
-presale  for cracking prelase JSON file
-threads Number of threads
-v Verbosity ( 0, 1, 2 )
-start_from Skip first N combinations
-keep_order Keep the order of the lines ( no permutations )
-re Report every N-th combination
-dump path Just dump all the variants into text file
-min_len Minimum password length
-max_len Maximum password length

Template file format

Every line contains the possible variants of the substring. For example file:

a1 a2 a3
b

will generate all those combinations

a1
a2
a3
b
a1b
ba1
a2b
ba2
a3b
ba3

Note: you can use \s to specify white space. ( "a\sb" means "a b" )

Template line flags

You can also specify some keys for every line.

~a always use some value from this string
~c Try both: capitalized and not-capitalazed versions of all words.

For example the template file

a 
~ac test

will generate all those combinations

test
Test
atest
aTest
testa
Testa

Installing

Install Go Language

git clone https://github.com/lexansoft/ethcracker
cd ethcracker

go get github.com/ethereum/go-ethereum/common
go get github.com/ethereum/go-ethereum/crypto/ecies
go get github.com/ethereum/go-ethereum/crypto/randentropy
go get github.com/ethereum/go-ethereum/crypto/secp256k1
go get github.com/ethereum/go-ethereum/crypto/sha3
go get github.com/ethereum/go-ethereum/rlp
go get github.com/pborman/uuid
go get golang.org/x/crypto/pbkdf2
go get golang.org/x/crypto/ripemd160
go get golang.org/x/crypto/scrypt

go run src/ethcracker.go -pk PATH_TO_FILE -t PATH_TO_TAMPLATE_FILE -threads 4

Installing on Windows

On windwos you need to install the Chocolatey: https://chocolatey.org

Then install git, golang and mingw

choco install git
choco install golang
choco install mingw

After that make all the steps from the Installing section.

Cracking your Mac DMG file password

You you stored your keys in the encrypted mac DMG image and forgot the password, do this:

  1. dump all the possible variants of your password into a file

     go run src/ethcracker.go ... -dump ~/v.txt

  2. Use dmg_pass.bash script to try all the variants form v.txt

     ./dmg_pass.bash v.txt your.dmg
 
 or
 
 ./dmg_pass.bash v.txt your.dmg N -- to skipp first N lines

Donation

If this program helped you to restore the password, please donate some ETH to the address:

0x281694Fabfdd9735e01bB59942B18c469b6e3df6

Thank you