SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).[1] SQL injection must exploit…
Web for pentester_writeup之Commands injection篇 Commands injection(命令行注入) 代码注入和命令行注入有什么区别呢,代码注入涉及比较广泛,凡是由于过滤不严格或者是逻辑问题导致的可以插入恶意代码,都属于代码注入.而命令注入就局限于system函数的过滤不严格导致执行了系统命令. 总之就是代码注入主要是执行php代码,而命令注入主要是执行系统命令. Example 1 这是一个简单的命令注入,执行的是ping一个ip的命令,这里我们可以使…
目录 SQL injection UNION attack, determining the number of columns returned by the query SQL injection UNION attack, determining the number of columns returned by the query 虽然进去一个商品页面,然后把包发到Repeater中,因为题目要求的是查询结果要返回空值,所以我们利用填充NULL的方式注入,只有NULL的数量与查询结果列数…
In our earlier tutorial on SQL Injection, one way to have prevented the SQL injection attack was by simply having the user input sanitized – which we briefly discussed. Since we are dealing with email addresses in our example, this means that we shou…