暴力破解Oracle数据库密码

一、验证不能通过修改用户的password实现登录不知道密码的用户

[oracle@node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Mon Nov 7 12:22:46 2011

Connected to :

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Oracle Label Security, OLAP, Data Mining,

Oracle Database Vault and Real Application Testing options

SQL> grant create session to xff identified by xifenfei;

Grant succeeded.

SQL> conn xff/xifenfei

Connected.

SQL> conn / as sysdba

Connected.

SQL> grant create session to chf identified by xifenfei;

Grant succeeded.

SQL> conn chf/xifenfei

Connected.

SQL> conn / as sysdba

Connected.

SQL> desc user $

Name Null ? Type

----------------------------------------- -------- ----------------------------

USER # NOT NULL NUMBER

NAME NOT NULL VARCHAR2(30)

TYPE# NOT NULL NUMBER

PASSWORD VARCHAR2(30)

DATATS# NOT NULL NUMBER

TEMPTS# NOT NULL NUMBER

CTIME NOT NULL DATE

PTIME DATE

EXPTIME DATE

LTIME DATE

RESOURCE$ NOT NULL NUMBER

AUDIT$ VARCHAR2(38)

DEFROLE NOT NULL NUMBER

DEFGRP# NUMBER

DEFGRP_SEQ# NUMBER

ASTATUS NOT NULL NUMBER

LCOUNT NOT NULL NUMBER

DEFSCHCLASS VARCHAR2(30)

EXT_USERNAME VARCHAR2(4000)

SPARE1 NUMBER

SPARE2 NUMBER

SPARE3 NUMBER

SPARE4 VARCHAR2(1000)

SPARE5 VARCHAR2(1000)

SPARE6 DATE

SQL> select name , password from user $ where name in ( 'XFF' , 'CHF' );

NAME PASSWORD

------------------------------ ------------------------------

CHF F3CF2F0CB35CB6CA

XFF 1B60F4BFF1DAB500

SQL> alter user xff identified by values 'F3CF2F0CB35CB6CA' ;

User altered.

SQL> select name , password from user $ where name in ( 'XFF' , 'CHF' );

NAME PASSWORD

------------------------------ ------------------------------

CHF F3CF2F0CB35CB6CA

XFF F3CF2F0CB35CB6CA

SQL> conn xff/xifenfei

ERROR:

ORA-01017: 用户名/口令无效; 登录被拒绝

Warning: You are no longer connected to ORACLE.

SQL> conn chf/xifenfei

Connected.

SQL> conn / as sysdba

Connected.

SQL> alter user xff identified by values '1B60F4BFF1DAB500' ;

User altered.

SQL> conn xff/xifenfei

Connected.

注：这个实验使用11g证明，其实10g也是同样的结果；在oracle 9i中可以通过修改password的values值实现登录

二、使用orabf破解数据库密码
1、修改数据库密码

SQL> conn / as sysdba

Connected.

SQL> alter user xff identified by xff01;

User altered.

SQL> alter user chf identified by chf00;

User altered.

SQL> select name , password from user $ where name in ( 'XFF' , 'CHF' );

NAME PASSWORD

------------------------------ ------------------------------

CHF 05BD6F8AB28BD8CA

XFF A51B3879056B3DDD

2、orabf使用

C:\Users\XIFENFEI\Downloads\orabf-v0.7.6>orabf

---------------------------------------

usage: orabf [ hash ]:[username] [options]

options:

-c [num] complexity: a number in [1..6] or a filename

- read words from stdin

[ file ] read words from file

1 numbers

2 alpha

3 alphanum

4 standard oracle (alpha)(alpha,num,_, #,$)... (default)

5 entire keyspace ( ' ' .. '~' )

6 custom (charset read from first line of file : charset.orabf)

-m [num] max pwd len: must be in the interval [1..14] (default: 14)

-n [num] min pwd len: must be in the interval [1..14] (default: 1)

-r resume: tries to resume a previous session

C:\Users\XIFENFEI\Downloads\orabf-v0.7.6>orabf A51B3879056B3DDD:XFF

---------------------------------------

Trying default passwords... done

Starting brute force session using charset:

#$0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_

press 'q' to quit. any other key to see status

current password: D9X50

9229361 passwords tried. elapsed time 00:00:13. t /s :697938

current password: HI0QJ

18967617 passwords tried. elapsed time 00:00:27. t /s :698403

current password: OB #QD

34743632 passwords tried. elapsed time 00:00:49. t /s :698844

password found: XFF:XFF01

55826385 passwords tried. elapsed time 00:01:19. t /s :704047

C:\Users\XIFENFEI\Downloads\orabf-v0.7.6>orabf 05BD6F8AB28BD8CA:CHF -c 3 -n 4 -m 6

---------------------------------------

Trying default passwords... done

Starting brute force session using charset:

0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ

press 'q' to quit. any other key to see status

password found: CHF:CHF00

22647601 passwords tried. elapsed time 00:00:31. t /s :719113

说明：-c 6不能正常运行，不清楚是不是因为我的win 7系统原因导致

三、使用ops_sse2破解数据库密码
1、sys用户的password

SQL> select password from user $ where name = 'SYS' ;

PASSWORD

------------------------------

18698BFD1A045BCC

2、ops_sse2使用

C:\Users\XIFENFEI\Downloads\ops_SIMD_win32>ops_sse2

Oracle passwords (DES) solver 0.3 (SSE2) -- Dennis Yurichev <dennis@conus.info>

Compiled @ Apr 5 2011 12:13:15

Demo version, supporting only SYS usernames.

Usage:

ops_sse2.exe --hashlist=filename.txt

[--min=min_password_length] [--max=max_password_length]

[--first_symbol_charset=characters] [--charset=characters]

[--results=filename.txt]

hashlist file format :

username: hash :comment_or_SID

By default, results are dumped to stdout.

This can be changed by setting --results option

Default values:

min_password_length=1

max_password_length=8

first_symbol_charset=ABCDEFGHIJKLMNOPQRSTUVWXYZ

charset=ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 #$_

#ops_file.txt内容

SYS:18698BFD1A045BCC:xff

C:\Users\XIFENFEI\Downloads\ops_SIMD_win32>ops_sse2 --hashlist=ops_file.txt --min=6 --charset=CDEFNHITX

Oracle passwords (DES) solver 0.3 (SSE2) -- Dennis Yurichev <dennis@conus.info>

Compiled @ Apr 5 2011 12:13:15

Demo version, supporting only SYS usernames.

username=SYS: 1 unsolved hash (es) left

Checking 6-symbol passwords for username SYS

overall progress= 0%

username=SYS: 1 unsolved hash (es) left

Checking 7-symbol passwords for username SYS

overall progress= 98% / time remaining:

time elapsed: 12s, ~ 1160449 passwords /hashes per second

username=SYS: 1 unsolved hash (es) left

Checking 8-symbol passwords for username SYS

overall progress= 91% / time remaining: 8s

time elapsed: 1m31s, ~ 1248875 passwords /hashes per second

SYS /xff : Found password: XIFENFEI

SYS:XIFENFEI:xff

说明：Demo version只能使用于破解sys用户的密码，而且秘密长度不能超过8.

综合说明的试验，虽然都有缺陷，但是相对而已还是orabf破解更加的给力点
orabf-v0.7.6下载
ops_SIMD_win32
ops_SIMD_linux86

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