Negation and inequality signs (! ... >) can be used instead of the equality one – It is amazing, but many WAFs miss it! It becomes possible to exploit the vulnerability with the method of blind-SQL Injection by replacing SQL functions that get to WAF signatures with their synonyms. substring...
select 1 from table where null=?1union select 1.
1.3 Использование UNION + group_concat(). 1.4 Экранирование хвоста запроса. 1.5 Расщепление SQL-запроса.
NICE QUERY www.zerocoolhf.altervista.org/level2.php?id=-1'union+select*from(select+1)a+join
www.targetwebsite.com/index.php?id=-8 union select 1,group_concat(username,0x2a,password),3,4 from targetwe_bsite--. עכשיו אחרי שהצלחנו להוציא את שם משתמש והסיסמא של מנהל האתר סיימנו את שם הפריצה והוצאת המידע מהאתר.
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Almost all Webapplication firewalls and IDS use Signature based protection, where they are looking of common inputs such as "'Or 1=1", "Or x=x" etc. But in my opinion webapplication firewalls are only good for detecting automated tools and script kiddies. However if the tool you are using for attacking a...
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and, or, union, where, limit, group by, select, ', hex, substr, white space.
WAF evasion methods for sql Injections I want to share WAF evasion methods for sql Injections. Most are old but few are newer. You can bypass most of the "404 forbidden" and "NOT Acceptable" errors by these methods.