Add ZEBROCY tool

clusters/tool.json

@@ -5853,7 +5853,17 @@
           "type": "similar"
         }
       ]
+    },
+    {
+      "value": "ZEBROCY",
+      "description": "ZEBROCY is a tool used by APT28, which has been observed since late 2015. The communications module used by ZEBROCY transmits using HTTP. The implant has key logging and file exfiltration functionality and utilises a file collection capability that identifies files with particular extensions.",
+      "meta": {
+        "refs": [
+          "https://www.ncsc.gov.uk/alerts/indicators-compromise-malware-used-apt28"
+        ]
+      },
+      "uuid": "8a2ae47a-c7b2-11e8-b223-ab4d8f78f3ef"
     }
   ],
-  "version": 90
+  "version": 91
 }