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Tutorial Walks Through SQL Injection Testing With SQLmap on Kali Linux

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A DEV Community article explains how to use the open-source sqlmap tool on Kali Linux to automate SQL injection testing. The guide recommends practicing on a deliberately vulnerable application such as DVWA, run in a Docker container, rather than on live systems. It details setting up the lab, logging in, lowering DVWA's security level, and passing the session cookie to sqlmap. The walkthrough then shows how to list databases, enumerate tables, and dump the contents of the users table, which contains usernames and MD5 hashes. The author stresses that these techniques should only be used on systems the tester is authorized to examine.

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