Adding some parts from HAR format description (http://www.softwareishard.com/blog/har-12-spec/) (More to come)

objects/cookie/definition.json

@@ -18,6 +18,30 @@
       "ui-priority": 0,
       "misp-attribute": "text"
     },
+    "path": {
+      "description": "Path defined in the cookie",
+      "ui-priority": 0,
+      "disable_correlation": true,
+      "misp-attribute": "text"
+    },
+    "expires": {
+      "description": "Expiration date/time of the cookie",
+      "ui-priority": 0,
+      "disable_correlation": true,
+      "misp-attribute": "datetime"
+    },
+    "http-only": {
+      "description": "True if send only through HTTP",
+      "ui-priority": 0,
+      "disable_correlation": true,
+      "misp-attribute": "boolean"
+    },
+    "secure": {
+      "description": "True if cookie is sent over TLS",
+      "ui-priority": 0,
+      "disable_correlation": true,
+      "misp-attribute": "boolean"
+    },
     "text": {
       "description": "A description of the cookie.",
       "disable_correlation": true,
@@ -38,7 +62,7 @@
       "misp-attribute": "text"
     }
   },
-  "version": 2,
+  "version": 3,
   "description": "An HTTP cookie (web cookie, browser cookie) is a small piece of data that a server sends to the user's web browser. The browser may store it and send it back with the next request to the same server. Typically, it's used to tell if two requests came from the same browser — keeping a user logged-in, for example. It remembers stateful information for the stateless HTTP protocol. (as defined by the Mozilla foundation.",
   "meta-category": "network",
   "uuid": "7755ad19-55c7-4da4-805e-197cf81bbcb8",

objects/http-request/definition.json

@@ -40,7 +40,17 @@
       ],
       "description": "An HTTP cookie previously sent by the server with Set-Cookie",
       "ui-priority": 1,
-      "misp-attribute": "text"
+      "misp-attribute": "text",
+      "multiple": true
+    },
+    "header": {
+      "categories": [
+        "Network activity"
+      ],
+      "description": "An HTTP header sent during HTTP request",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "multiple": true
     },
     "host": {
       "categories": [
@@ -120,7 +130,7 @@
       "misp-attribute": "user-agent"
     }
   },
-  "version": 3,
+  "version": 4,
   "description": "A single HTTP request header",
   "meta-category": "network",
   "uuid": "b4a8d163-8110-4239-bfcf-e08f3a9fdf7b",