OS Command Injection is a form of shell injection attack, mostly used for execution of unauthorized OS commands in the operating system (OS) to target the system (usually a web server) and degrade its performance. In this attack, the hacker aims to find and exploit some of the vulnerable applications to gain the unauthorized access on the host operating system. In the particular attack, the hacker can alter or corrupt a database or even steal the customer records and launch a Distributed Denial of Service (DDoS) attack in some of the cases.
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