[pull] main from VirusTotal:main

site/content/blog/enforcing-metadata-standards/index.md

@@ -0,0 +1,103 @@
+---
+title: "Enforcing YARA metadata standards"
+description: "Using the language servers for enforcing metadata standards for YARA rules"
+summary: ""
+date: 2026-03-09T00:00:00+01:00
+lastmod: 2026-03-09T00:00:00+01:00
+draft: false
+weight: 50
+categories: [ ]
+tags: [ ]
+contributors: [ "Victor M. Alvarez" ]
+pinned: false
+homepage: false
+seo:
+  title: "Enforcing YARA metadata standards" # custom title (optional)
+  description: "Using the language servers for enforcing metadata standards for YARA rules" # custom description (recommended)
+  canonical: "" # custom canonical URL (optional)
+  noindex: false # false (default) or true
+---
+
+
+
+In team environments where multiple analysts contribute to a shared YARA rule corpus, maintaining consistency in rule
+metadata is of utter importance. Many YARA rules across the industry already adhere to established metadata conventions,
+yet often lack the appropriate tools for enforcing these conventions during rule creation. Ensuring that every rule
+includes essential metadata—such as author, version, or description—and that this metadata adheres to predefined types,
+is crucial for rule management, automation, and overall maintainability.
+
+This is where the YARA Language Server, offers a powerful solution: metadata validation.
+
+
+### The Language Server to the rescue
+
+The YARA Language Server introduces a metadataValidation configuration that allows teams to define and enforce strict
+metadata standards directly within the editor. This feature transforms metadata consistency from a manual review 
+process into an automated, real-time feedback loop for rule developers.
+
+The `metadataValidation` setting is configured in your Visual Studio Code `settings.json` file. It’s an array of objects,
+where each object specifies validation rules for a particular metadata field.
+
+Here’s an example configuration:
+
+```JSON
+"YARA.metadataValidation": [
+  {
+    "identifier": "author",
+    "required": true,
+    "type": "string"
+  },
+  {
+    "identifier": "version",
+    "required": true,
+    "type": "integer"
+  },
+  {
+    "identifier": "last_reviewed",
+    "required": false,
+    "type": "string"
+  },
+  {
+    "identifier": "status",
+    "required": true,
+    "type": "string"
+  },
+  {
+    "identifier": "confidence",
+    "required": false,
+    "type": "float"
+  }
+]
+```
+You can easily configure these settings in Visual Studio Code. Access the settings by navigating to 
+**Code > Settings > Settings** and searching for “yara”. This will bring up the configuration options where you can
+define your metadata validation rules.
+
+![settings.gif](settings.gif)
+
+Let’s break down the properties for each validation object. The `identifier` property is a required string that sets 
+the name of the metadata field you want to validate (e.g., `author`, `version`). The required property is an optional 
+boolean that, if set to `true`, will cause the language server to issue a warning if the metadata field is missing from
+a rule. It defaults to `false`. Finally, the `type` property is an optional string that specifies the expected data 
+type for the metadata value. Valid options are `"string"`, `"integer"`, `"float"`, and `"bool"`. If the value in the 
+YARA rule does not match the specified type, a warning will be generated.
+
+With this configuration in place, the Language Server provides immediate feedback in the Visual Studio Code editor 
+as soon as a YARA rule is written or modified. For example, if an `author` or `version` field (marked as `required: true`) 
+is omitted, a warning for missing required fields will appear. If `version` is provided as a string instead of an 
+integer, a type mismatch warning will be shown. This real-time feedback allows developers to see issues as they type, 
+empowering them to correct problems instantly before committing their code.
+
+### Benefits for teams and organizations
+
+Implementing metadata validation brings significant advantages. It enhances rule quality by ensuring all rules adhere
+to a common standard of completeness and correctness. It also improves collaboration by providing a clear, automated
+guide for all team members on what metadata is expected, which reduces ambiguity and fosters consistent contributions.
+
+Furthermore, this feature simplifies automation, as consistent metadata enables more reliable parsing and automation
+of rule management tasks, such as generating reports or categorizing rules. It also accelerates the onboarding of new
+analysts, who can quickly understand the required metadata format without extensive manual guidance. By catching 
+metadata issues at the development stage, the risk of deploying malformed or incomplete rules is significantly 
+lowered, thereby reducing errors.
+
+Embrace consistent metadata and elevate your YARA rule management today!

site/hugo_stats.json

@@ -357,6 +357,7 @@
       "assembly",
       "assemblyref",
       "base64-modifier",
+      "benefits-for-teams-and-organizations",
       "better-error-reporting",
       "binary-similarity",
       "block-scanning-mode",
@@ -681,6 +682,7 @@
       "the-fix-warnings-command",
       "the-fmt-section",
       "the-good-things",
+      "the-language-server-to-the-rescue",
       "the-warnings-section",
       "the-with-statement",
       "timeouterror",