{
  "exercise": {
    "description": "MISP Encoding Exercise : Ransomware infection via e-mail",
    "expanded": "MISP Encoding Exercise : Ransomware infection via e-mail",
    "meta": {
      "author": "MISP Project",
      "level": "advanced",
      "priority": 10
    },
    "name": "MISP Encoding Exercise : Ransomware infection via e-mail",
    "namespace": "data-model",
    "tags": [
      "exercise:software-scope=\"misp\"",
      "state:production"
    ],
    "total_duration": "7200",
    "uuid": "eb00428f-40b5-4da7-9402-7ce22a840659",
    "version": "20240624"
  },
  "inject_flow": [
    {
      "description": "event-creation",
      "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae",
      "reporting_callback": [],
      "requirements": {},
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "8f636640-e4f0-4ffb-abff-4e85597aa1bd"
        ],
        "trigger": [
          "startex"
        ]
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "infection-email",
      "inject_uuid": "8f636640-e4f0-4ffb-abff-4e85597aa1bd",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "3e61a340-0314-4622-91cc-042f3ff8543a"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "malicious-payload",
      "inject_uuid": "3e61a340-0314-4622-91cc-042f3ff8543a",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "8a2d58c8-2b3a-4ba2-bb77-15bcfa704828"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "c2-ip-address",
      "inject_uuid": "8a2d58c8-2b3a-4ba2-bb77-15bcfa704828",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "9df13cc8-b61b-4c9f-a1a8-66def8b64439"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "registry-keys",
      "inject_uuid": "9df13cc8-b61b-4c9f-a1a8-66def8b64439",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "c5c03af1-7ef3-44e7-819a-6c4fd402148a"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "asym-encryption-key",
      "inject_uuid": "c5c03af1-7ef3-44e7-819a-6c4fd402148a",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "11f6f0c2-8813-42ee-a312-136649d3f077"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "context",
      "inject_uuid": "11f6f0c2-8813-42ee-a312-136649d3f077",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "followed_by": [
          "e3ef4e5f-454a-48c8-a5d7-b3d1d25ecc9f"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    },
    {
      "description": "published",
      "inject_uuid": "e3ef4e5f-454a-48c8-a5d7-b3d1d25ecc9f",
      "reporting_callback": [],
      "requirements": {
        "inject_uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
      },
      "sequence": {
        "completion_trigger": [
          "time_expiration",
          "completion"
        ],
        "trigger": []
      },
      "timing": {
        "triggered_at": null
      }
    }
  ],
  "inject_payloads": [],
  "injects": [
    {
      "action": "event-creation",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            }
          ],
          "result": "MISP Event created",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Event Creation",
      "description": "Create an Event containing `ransomware`",
      "target_tool": "MISP",
      "uuid": "8e8dbda2-0f5e-4101-83ff-63c1ddda2cae"
    },
    {
      "action": "infection-email",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              ".Event.Object[].Attribute[] | select(.object_relation == \"email-body\")": {
                "extract_type": "all",
                "comparison": "count",
                "values": [
                  ">=1"
                ]
              }
            }
          ],
          "result": "Infection Email added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Infection Email",
      "target_tool": "MISP",
      "uuid": "8f636640-e4f0-4ffb-abff-4e85597aa1bd"
    },
    {
      "action": "malicious-payload",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              ".Event.Object[].Attribute[] | select((.type == \"filename\")).value": {
                "extract_type": "all",
                "comparison": "equals",
                "values": [
                  "cryptolocker.exe"
                ]
              }
            }
          ],
          "result": "Malicious payload added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Malicious Payload",
      "target_tool": "MISP",
      "uuid": "3e61a340-0314-4622-91cc-042f3ff8543a"
    },
    {
      "action": "c2-ip",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              ".Event.Object[] | select((.name == \"domain-ip\") or (.name == \"ip-port\")) | .Attribute[].value": {
                "extract_type": "all",
                "comparison": "contains",
                "values": [
                  "81.177.170.166"
                ]
              }
            }
          ],
          "result": "C2 IP added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "C2 IP Address",
      "target_tool": "MISP",
      "uuid": "8a2d58c8-2b3a-4ba2-bb77-15bcfa704828"
    },
    {
      "action": "registry-key",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              "[.Event.Object[].Attribute[], .Event.Attribute[]] | .[].value": {
                "extract_type": "all",
                "comparison": "contains-regex",
                "values": [
                  "HKCU.+SOFTWARE.+CryptoLocker.*"
                ]
              }
            }
          ],
          "result": "Registry key added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Registry Keys",
      "target_tool": "MISP",
      "uuid": "9df13cc8-b61b-4c9f-a1a8-66def8b64439"
    },
    {
      "action": "pub-key",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              "[.Event.Object[].Attribute[], .Event.Attribute[]] | .[].value": {
                "extract_type": "all",
                "comparison": "contains-regex",
                "values": [
                  "-----BEGIN PUBLIC KEY-----.*"
                ]
              }
            }
          ],
          "result": "Public key added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Public Key",
      "target_tool": "MISP",
      "uuid": "c5c03af1-7ef3-44e7-819a-6c4fd402148a"
    },
    {
      "action": "context",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              ".Event.Tag | select(length > 0) | .[].name": {
                "extract_type": "all",
                "comparison": "count",
                "values": [
                  ">=3"
                ]
              }
            }
          ],
          "result": "Context added",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Contextualization",
      "target_tool": "MISP",
      "uuid": "11f6f0c2-8813-42ee-a312-136649d3f077"
    },
    {
      "action": "published",
      "inject_evaluation": [
        {
          "parameters": [
            {
              ".Event.info": {
                "comparison": "contains",
                "values": [
                  "ransomware"
                ]
              }
            },
            {
              ".Event.published": {
                "comparison": "equals",
                "values": [
                  "1"
                ]
              }
            }
          ],
          "result": "Event published",
          "evaluation_strategy": "data_filtering",
          "evaluation_context": {},
          "score_range": [
            0,
            20
          ]
        }
      ],
      "name": "Published",
      "target_tool": "MISP",
      "uuid": "e3ef4e5f-454a-48c8-a5d7-b3d1d25ecc9f"
    }
  ]
}