Modified documentation of IntelOwl to include NERD observable analyzer (#6)

Co-authored-by: Matteo Lodi <[email protected]>

Author: Michalsus

docs/IntelOwl/advanced_usage.md

@@ -241,6 +241,13 @@ Some analyzers could require a special configuration:
     - The `repositories` values is what will be used to actually run the analysis: if you have added private repositories, remember to add the url in `repositories` too!
   - You can add local rules inside the directory at `/opt/deploy/files_required/yara/YOUR_USERNAME/custom_rules/`. Please remember that these rules are not synced in a cluster deploy: for this reason is advised to upload them on GitHub and use the `repositories` or `private_repositories` attributes.
 
+- `NERD` :
+  - The `nerd_analysis` parameter allows you to customize the level of detail in the analysis response. Available options are:
+    - `basic` (default): Provides a simplified response from the database.
+    - `full`: Includes all available information about the IP from the database.
+    - `fmp`: Returns only the FMP (Future Misbehavior Probability) score.
+    - `rep`: Returns only the reputation score of the IP.
+    
 ## Notifications
 
 Since v4, IntelOwl integrated the notification system from the `certego_saas` package, allowing the admins to create notification that every user will be able to see.

docs/IntelOwl/usage.md

@@ -209,7 +209,7 @@ The following is the list of the available analyzers you can run out-of-the-box.
 - `Mnemonic_PassiveDNS` : Look up a domain or IP using the [Mnemonic PassiveDNS public API](https://docs.mnemonic.no/display/public/API/Passive+DNS+Overview).
 - `MWDB_Get`: [mwdblib](https://mwdb.readthedocs.io/en/latest/) Retrieve malware file analysis by hash from repository maintained by CERT Polska MWDB.
 - `Netlas`: search an IP against [Netlas](https://netlas.io/api)
-- `NERD_analyzer`: scan an IP address against [NERD](https://nerd.cesnet.cz/) database
+- `NERD_analyzer`: search an IP against NERD reputation database [NERD](https://nerd.cesnet.cz/)
 - `ONYPHE`: search an observable in [ONYPHE](https://www.onyphe.io/)
 - `OpenCTI`: scan an observable on an [OpenCTI](https://github.com/OpenCTI-Platform/opencti) instance
 - `OTXQuery`: scan an observable on [Alienvault OTX](https://otx.alienvault.com/)