[client] Implement missing custom observables

Author: SamuelHassine

pycti/__init__.py

@@ -50,6 +50,7 @@
 from .utils.constants import (
     CustomObjectCaseIncident,
     CustomObjectTask,
+    CustomObservableCryptocurrencyWallet,
     CustomObservableHostname,
     CustomObservableText,
     CustomObservableUserAgent,
@@ -118,5 +119,6 @@
     "StixCyberObservableTypes",
     "CustomObservableHostname",
     "CustomObservableUserAgent",
+    "CustomObservableCryptocurrencyWallet",
     "CustomObservableText",
 ]

pycti/utils/constants.py

@@ -222,6 +222,26 @@ class CustomObservableText:
     pass
 
 
+@CustomObservable(
+    "cryptocurrency-wallet",
+    [
+        ("value", StringProperty(required=True)),
+        ("spec_version", StringProperty(fixed="2.1")),
+        (
+            "object_marking_refs",
+            ListProperty(
+                ReferenceProperty(valid_types="marking-definition", spec_version="2.1")
+            ),
+        ),
+    ],
+    ["value"],
+)
+class CustomObservableCryptocurrencyWallet:
+    """Cryptocurrency wallet observable."""
+
+    pass
+
+
 @CustomObservable(
     "user-agent",
     [