Added EEAS framework objects and STIX generator

Added framework objects:
- Added technique T0066 "Degrade adversary" to TA02
- Added technique T0067 "Plan to discredit credible sources" to TA02
- Added technique T0068 "respond to breaking news event" to TA02
- Added technique T0069  "respond to active crisis" to TA02
- Added technique T0070 "Analyze existing communities" to TA02
- Added technique T0071 "Find echo chambers" to TA13
- Added technique T0072  "Segment audiences" to TA13

Added STIX generator from repo DISARM-stix2, and added code to generate github files, databases, and STIX from the same Jupyter notebook.

CODE/DISARM-STIX2/objects/tactic.py

@@ -0,0 +1,57 @@
+from stix2 import CustomObject, properties, ExternalReference
+
+import objects.marking_definition
+from objects import identity, marking_definition
+
+
+@CustomObject('x-mitre-tactic', [
+    ('name', properties.StringProperty(required=True)),
+    ('description', properties.StringProperty(required=True)),
+    ('x_mitre_shortname', properties.StringProperty(required=True)),
+    ('external_references', properties.ListProperty(ExternalReference))
+])
+class Tactic(object):
+    def __init__(self, x_mitre_shortname=None, **kwargs):
+        if x_mitre_shortname and x_mitre_shortname not in ["strategic-planning", "objective-planning",
+                                                           "develop-people", "develop-persona",
+                                                           "develop-networks", "microtargeting", "develop-content",
+                                                           "channel-selection", "pump-priming", "exposure",
+                                                           "go-physical",
+                                                           "persistence", "measure-effectiveness"]:
+            # raise ValueError("'%s' is not a recognized DISARM Tactic." % x_mitre_shortname)
+            print("'%s' is not a recognized DISARM Tactic." % x_mitre_shortname)
+
+
+def make_disarm_tactics(data):
+    """Create all DISARM tactic objects.
+
+    Args:
+        data: The xlsx tactic sheet.
+
+    Returns:
+        A list of Tactics.
+
+    """
+    tactics = []
+    for t in data["tactics"].values.tolist():
+        external_references = [
+            {
+                'external_id': f'{t[0]}',
+                'source_name': 'DISARM',
+                'url': f'https://github.com/DISARMFoundation/DISARM_framework/blob/master/tactics/{t[0]}.md'
+            }
+        ]
+
+        tactic = Tactic(
+            name=f"{t[1]}",
+            description=f"{t[5]}",
+            x_mitre_shortname=f'{t[1].lower().replace(" ", "-")}',
+            external_references=external_references,
+            object_marking_refs=objects.marking_definition.make_disarm_marking_definition(),
+            created_by_ref=objects.identity.make_disarm_identity()
+        )
+
+        tactics.append(tactic)
+
+    return tactics
+