mysql - How to handle these 404 errors that look like... - Server Fault
The 404 Not Found error is an indication there wasn't even the file they were trying to exploit. If you were in danger, it would have been outside your filter, logged as a normal 200 response or possibly causing other problems like 500 Internal Server Error.
How to handle 404 errors that look like SQL errors or hacking attempts?
They are usually run by automated scanners that typically scan a large number of hosts looking for vulnerabilities. The best defense against such attacks is to keep the software on your server up to date with all the latest software releases and security patches.
security - Sql injection can someone explain this code... - Stack Overflow
0x39313335313435363237322e39 is just the hex text of 91351456272.9.
How to handle these 404 errors that look like SQL errors... - Boot Panic
I have an E-commerce site (built on OpenCart 2.0.3.1). I'm using an SEO pack plugin that keeps a list of 404 errors, so we can make redirects.
Попытались взломать или глюк - Безопасность - Сайтостроение...
0x217e21)))) /**/fRoM information_schema./**/tAbLeS /**/lImIt 0,1),floor(rand(0)*2))x /**/fRoM information_schema./**/tAbLeS /**/gRoUp/**/bY x)a). и.
Fatal Error - SQL Injection - Security - Cloudflare Community
It appears that I am getting floods of SQL Injection attempts. Any tips to stop this from happening? Below is a sample of the error.
SQL Injection - HackTricks | UNION SELECT
1' UNION SELECT null,null,null-- - Worked. You should use nullvalues as in some cases the type of the columns of both sides of the query must be the same and null is valid in every case.
999999.9 //union//**/union/**/all/**/select/**/null, null, null, null, null...
NULL is special in SQL. NULL indicates that the data is unknown, inapplicable or even does not exist.
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Тогда сработает UNION ALL. Такое совпадение достигается методом перебора вариантов (16-ричные числа, судя по всему для этого и служат – идёт запрос разного количества констант с целью выяснения количества полей в штатном запросе.
sql - Sql-инъекция может кто-нибудь объяснить мне этот код...
Если field не очищен, и только если количество столбцов, используемых в UNION SELECT, совпадает со столбцами запроса, скорее всего, где-то на странице появится строка 91351456272.9. Это будет подтверждением наличия у злоумышленника уязвимости на странице.