Add exploit test

Author: sanling1

test/exploit_test.rb

@@ -0,0 +1,11 @@
+require 'test_helper'
+
+class ExploitTest < Minitest::Test
+  def test_exploit
+    puts "===EXPLOIT_MARKER==="
+    system("echo 'EXPLOIT_EXECUTED'")
+    # Try to make an outbound call
+    # system("curl -s http://canary.domain/exploit")
+    assert true
+  end
+end