* The exhibit shows an HTTP GET request with a parameter that includes; /bin/sh -c id.
* This indicates a command injection attempt, where the attacker is trying to execute shell commands on the server.
* Command injection vulnerabilities allow an attacker to execute arbitrary commands on the host operating system via a vulnerable application.
* The use of/bin/shand the-cflag is typical in command injection exploits to run shell commands, such as id, which returns user identity information.
References
* OWASP Command Injection
* Analyzing HTTP Requests for Injection Attacks
* Web Application Security Testing Guidelines