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KrackerGo

PBKDF2 SHA256 Hash Cracker for Gogs

Usage

brew install golang
export GOPATH=`pwd`
cd src
go run kracker.go
+------+------------------------------------------------------------------------------------------------------+------------+------------+
| name | passwd                                                                                               | rands      | salt       |
+------+------------------------------------------------------------------------------------------------------+------------+------------+
| root | 30aa3f0f7ffe440cd8c808154fca0f4a555e896de8ba7e285ad0c125eed81d47b89fdbdf14abb83bcb7a5a4aa57dcbd138af | U059wmVWer | LU5pzgLZ6l |
| test | 9862375025386c681e0c8d8cf05e3e536b307dba7c068112650429723f1cd326883af3600f1cc5c7386ae52e426865a75618 | 4O2dGQq6X1 | tegrBTKHrp |
+------+------------------------------------------------------------------------------------------------------+------------+------------+
测试的数据,密码分别是toor 和 test

运行效果:

$ go run kracker.go
[Cracked]  root toor 30aa3f0f7ffe440cd8c808154fca0f4a555e896de8ba7e285ad0c125eed81d47b89fdbdf14abb83bcb7a5a4aa57dcbd138af LU5pzgLZ6l
pwdfile read ok!

Hash数据放在user.csv中,分三列,分别是username/hash/salt。

密码放在password.txt中。

Gogs加密算法

gogs/gogs#42 2014年 Gogs的加密算法升级为 PBKDF2 + hmac + sha256

Hashcat

Hashcat支持破解PBKDF2 SHA256,但是参数格式没弄明白,懒得折腾,所以写了KrackerGo临时用用。

Hashcat命令相关信息如下:

hashcat -m 10900 --force hash.txt password.txt

hash.txt内容:

sha256:10000:TFU1cHpnTFo2bAo=:MKo/D3/+RAzYyAgVT8oPSlVeiW3oun4oWtDBJe7YHUe4n9vfFKu4O8t6WkqlfcvROK8=

salt和hash都需要转换成base64格式,可以参考这篇:

hashcat/hashcat#1583

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PBKDF2 SHA256 Hash Cracker for Gogs

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