diff --git a/README.md b/README.md
index 8b3c6f9..fd1d6b9 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ Category: *guidelines* - source: *Open Sources* - total: *71* elements
 
 [Backdoor](https://www.misp-galaxy.org/backdoor) - A list of backdoor malware.
 
-Category: *tool* - source: *Open Sources* - total: *28* elements
+Category: *tool* - source: *Open Sources* - total: *29* elements
 
 [[HTML](https://www.misp-galaxy.org/backdoor)] - [[JSON](https://github.com/MISP/misp-galaxy/blob/main/clusters/backdoor.json)]
 
@@ -87,7 +87,7 @@ Category: *mobile* - source: *https://arxiv.org/pdf/2005.05110.pdf* - total: *47
 
 [Botnet](https://www.misp-galaxy.org/botnet) - botnet galaxy
 
-Category: *tool* - source: *MISP Project* - total: *130* elements
+Category: *tool* - source: *MISP Project* - total: *132* elements
 
 [[HTML](https://www.misp-galaxy.org/botnet)] - [[JSON](https://github.com/MISP/misp-galaxy/blob/main/clusters/botnet.json)]
 
diff --git a/clusters/backdoor.json b/clusters/backdoor.json
index d41dede..25cfd99 100644
--- a/clusters/backdoor.json
+++ b/clusters/backdoor.json
@@ -488,7 +488,17 @@
       ],
       "uuid": "4838b37b-2d1f-4cb8-945d-7185580f0bff",
       "value": "TERRIBLETEA"
+    },
+    {
+      "description": "Merdoor is a fully-featured backdoor that appears to have been in existence since 2018.\nThe backdoor contains the following functionality: Installing itself as a service, Keylogging, A variety of methods to communicate with its command-and-control (C&C) server (HTTP, HTTPS, DNS, UDP, TCP), Ability to listen on a local port for commands\nInstances of the Merdoor backdoor are usually identical with the exception of embedded and encrypted configuration, which determines: C&C communication method, Service details, Installation directory\nTypically, the backdoor is injected into the legitimate processes perfhost.exe or svchost.exe.",
+      "meta": {
+        "refs": [
+          "https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/lancefly-merdoor-zxshell-custom-backdoor"
+        ]
+      },
+      "uuid": "8ebda9f4-f8f2-4d35-ba2b-d6ecb54b23d4",
+      "value": "Merdoor"
     }
   ],
-  "version": 19
+  "version": 20
 }
diff --git a/clusters/botnet.json b/clusters/botnet.json
index c3d9d0a..05e7fbd 100644
--- a/clusters/botnet.json
+++ b/clusters/botnet.json
@@ -2031,7 +2031,29 @@
       },
       "uuid": "40cd57f6-39c9-4a9f-b4cf-de4762642bff",
       "value": "Ztorg"
+    },
+    {
+      "meta": {
+        "refs": [
+          "https://www.team-cymru.com/post/botnet-7777-are-you-betting-on-a-compromised-router",
+          "https://gi7w0rm.medium.com/the-curious-case-of-the-7777-botnet-86e3464c3ffd"
+        ],
+        "synonyms": [
+          "7777"
+        ]
+      },
+      "uuid": "3e027dad-9c0a-437e-9938-dd3cf13b0c22",
+      "value": "Quad7"
+    },
+    {
+      "meta": {
+        "refs": [
+          "https://www.team-cymru.com/post/botnet-7777-are-you-betting-on-a-compromised-router"
+        ]
+      },
+      "uuid": "963d898f-dc48-409e-8069-aaa51ad6664c",
+      "value": "63256 botnet"
     }
   ],
-  "version": 35
+  "version": 36
 }
diff --git a/clusters/ransomware.json b/clusters/ransomware.json
index 3ff94d1..be420bc 100644
--- a/clusters/ransomware.json
+++ b/clusters/ransomware.json
@@ -1494,6 +1494,15 @@
           "HavocCrypt Ransomware"
         ]
       },
+      "related": [
+        {
+          "dest-uuid": "6f7489f5-7edc-4693-b35a-44e79c969678",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "used-by"
+        }
+      ],
       "uuid": "c6bef9c8-becb-4bee-bd97-c1c655133396",
       "value": "Havoc"
     },
diff --git a/clusters/threat-actor.json b/clusters/threat-actor.json
index 6561381..ff18ffb 100644
--- a/clusters/threat-actor.json
+++ b/clusters/threat-actor.json
@@ -15224,6 +15224,15 @@
           "Outrider Tiger"
         ]
       },
+      "related": [
+        {
+          "dest-uuid": "6f7489f5-7edc-4693-b35a-44e79c969678",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        }
+      ],
       "uuid": "0df34184-4ccf-4357-8e8e-e990058d2992",
       "value": "Fishing Elephant"
     },
@@ -16738,9 +16747,88 @@
           "https://blog.cloudflare.com/unraveling-sloppylemming-operations/"
         ]
       },
+      "related": [
+        {
+          "dest-uuid": "0df34184-4ccf-4357-8e8e-e990058d2992",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "97f26fab-af0e-4da9-b4c1-aec70cace22d",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "uses"
+        },
+        {
+          "dest-uuid": "c6bef9c8-becb-4bee-bd97-c1c655133396",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "uses"
+        },
+        {
+          "dest-uuid": "4b09b683-5650-4a6c-a383-d8f3b686ebc2",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b250414b",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b2424744",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b249444e",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b24c4b41",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b243484e",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "84668357-5a8c-4bdd-9f0f-6b50b24e504c",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        },
+        {
+          "dest-uuid": "6012ecea-dcc8-490c-b368-e2e06b2cb62f",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "targets"
+        }
+      ],
       "uuid": "6f7489f5-7edc-4693-b35a-44e79c969678",
       "value": "SloppyLemming"
     }
   ],
-  "version": 314
+  "version": 315
 }
diff --git a/clusters/tool.json b/clusters/tool.json
index d9d9cdb..3ac50d6 100644
--- a/clusters/tool.json
+++ b/clusters/tool.json
@@ -1882,7 +1882,8 @@
         "refs": [
           "http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html",
           "https://blogs.cisco.com/security/talos/opening-zxshell",
-          "https://www.secureworks.com/research/a-peek-into-bronze-unions-toolbox"
+          "https://www.secureworks.com/research/a-peek-into-bronze-unions-toolbox",
+          "https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/lancefly-merdoor-zxshell-custom-backdoor"
         ],
         "synonyms": [
           "Sensode"
@@ -9208,6 +9209,13 @@
             "estimative-language:likelihood-probability=\"almost-certain\""
           ],
           "type": "similar"
+        },
+        {
+          "dest-uuid": "6f7489f5-7edc-4693-b35a-44e79c969678",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "used-by"
         }
       ],
       "uuid": "97f26fab-af0e-4da9-b4c1-aec70cace22d",
@@ -11075,5 +11083,5 @@
       "value": "SLIVER"
     }
   ],
-  "version": 173
+  "version": 174
 }