SecGen/scenarios/ctf/ff_decode_me.xml

<?xml version="1.0"?>

<scenario xmlns="http://www.github/cliffe/SecGen/scenario"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.github/cliffe/SecGen/scenario">

  <name>Decode Me</name>
  <author>Z. Cliffe Schreuders</author>
  <author>Thomas Shaw</author>
  <description>Find the encoded messages and decode them.
  </description>

  <type>ctf</type>
  <type>attack-ctf</type>
  <type>pwn-ctf</type>
  <difficulty>intermediate</difficulty>

  <CyBOK KA="AC" topic="Symmetric Cryptography">
    <keyword>symmetric encryption and authentication</keyword>
  </CyBOK>
  <CyBOK KA="F" topic="Artifact Analysis">
    <keyword>cryptographic hashing</keyword>
    <keyword>Encoding and alternative data formats</keyword>
  </CyBOK>

  <system>
    <system_name>attack_vm</system_name>
    <base distro="Kali" name="MSF"/>


    <input into_datastore="IP_addresses">
      <value>172.16.0.2</value>
      <value>172.16.0.3</value>
      <value>172.16.0.4</value>
      <value>172.16.0.5</value>
    </input>

    <utility module_path=".*/parameterised_accounts">
      <input into="accounts">
        <value>{"username":"kali","password":"kali","super_user":"true","strings_to_leak":[],"leaked_filenames":[]}</value>
      </input>
    </utility>

<!-- This is a decryption lab so CyberChef is needed -->
    <utility module_path=".*/cyberchef"/>

    <utility module_path=".*/iceweasel">
      <input into="accounts">
        <value>{"username":"kali","password":"kali","super_user":"true","strings_to_leak":[],"leaked_filenames":[]}</value>
      </input>
      <input into="autostart">
        <value>true</value>
      </input>
      <input into="start_page">
        <value>file:///opt/cyberchef/CyberChef.html</value>
      </input>
    </utility>

    <utility module_path=".*/kali_top10"/>
    <utility module_path=".*/kali_web"/>

    <network type="private_network">
      <input into="IP_address">
        <datastore access="0">IP_addresses</datastore>
      </input>
    </network>
    <input into_datastore="spoiler_admin_pass">
      <generator type="strong_password_generator"/>
    </input>
    <build type="cleanup">
      <input into="root_password">
        <datastore>spoiler_admin_pass</datastore>
      </input>
    </build>
  </system>

  <!--some basic decoding challenges-->
  <system>
    <system_name>decode_me</system_name>
    <base distro="Debian 12" type="desktop" name="KDE"/>

    <!-- comment describes using pseudo code (C#-like methods with named optional arguments) -->
    <!-- vulnerability_nfs_share_leak(strings_to_leak: encoder_flag_generator() CONCAT encoder_ascii_reversible(strings_to_encode: encoder_flag_generator()) CONCAT ...) -->
    <vulnerability module_path=".*/nfs_overshare">
      <input into="strings_to_leak" unique_module_list="unique_encoders">
        <generator type="flag_generator" />
        <encoder type="ascii_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
        <encoder type="alpha_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
        <encoder type="ascii_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
        <encoder type="ascii_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
        <encoder type="ascii_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
        <encoder type="ascii_reversible">
          <input into="strings_to_encode">
            <encoder type="ascii_reversible">
              <input into="strings_to_encode">
                <generator type="flag_generator" />
              </input>
            </encoder>
          </input>
        </encoder>
        <encoder type="alpha_reversible">
          <input into="strings_to_encode">
            <generator type="flag_generator" />
          </input>
        </encoder>
      </input>
    </vulnerability>

    <network type="private_network">
      <input into="IP_address">
        <datastore access="1">IP_addresses</datastore>
      </input>
    </network>
    <build type="cleanup">
      <input into="root_password">
        <datastore>spoiler_admin_pass</datastore>
      </input>
    </build>
  </system>


</scenario>