GraphKer

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Open Source Tool - Cybersecurity Graph Database in Neo4j

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# GraphKer
Open Source Tool - Cybersecurity Graph Database in Neo4j

**|G|r|a|p|h|K|e|r|**

{ open source tool for a cybersecurity graph database in neo4j }

With GraphKer you can have the most recent update of cyber-security vulnerabilities, weaknesses, attack patterns and platforms from MITRE and NIST, in an very useful and user friendly way provided by Neo4j graph databases!

# **Data model**

![GraphKer.svg](https://raw.githubusercontent.com/amberzovitis/GraphKer/main/GraphKer.svg)

# **Prerequisites**

_3 + 1 Steps to run GraphKer Tool_

### **1) Download and Install Neo4j Desktop**
   - Windows Users: https://neo4j.com/download/
     
     Create an account to get the license (totally free), download and install Neo4j Desktop.
     
     Useful Video: https://tinyurl.com/yjjbn8jx
   - Linux Users:
   
      ```
      sudo apt update
      sudo apt install apt-transport-https ca-certificates curl software-properties-common
      curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key | sudo apt-key add -
      sudo add-apt-repository "deb https://debian.neo4j.com stable 4.1"
      sudo apt install neo4j
      sudo systemctl enable neo4j.service
      sudo systemctl status neo4j.service
      ```
      
      You should have output that is similar to the following:
      ```
      ● neo4j.service - Neo4j Graph Database
     Loaded: loaded (/lib/systemd/system/neo4j.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2020-08-07 01:43:00 UTC; 6min ago
     Main PID: 21915 (java)
     Tasks: 45 (limit: 1137)
     Memory: 259.3M
     CGroup: /system.slice/neo4j.service
     . . .
     ``` 
     Useful Video: https://tinyurl.com/vvpjf3dr
     
### **2) Create and Configure the Database**
   - Create Database:
     - Windows Users:
       
       You can create databases in whatever version you want (latest version preferable) through GUI or Neo4j Terminal.
       - Create a new database in GUI: Just click the (+), set DB Name, Username and Password. Useful Tutorial: https://www.sqlshack.com/getting-started-with-the-neo4j-graph-database/
       - Through Neo4j Shell: https://neo4j.com/docs/cypher-manual/current/databases/
     - Linux Users: When you start neo4j through systemctl, type ``` cypher-shell ```, then ``` create database NAME; ```. Now you have to set this database, as default so when you start neo4j you start automatically this database. Go to /etc/neo4j/neo4j.conf and uncomment ``` dbms.default_database=neo4j ``` and change it with your new database name. Restart neo4j service and you are ready. 
   - Configure Database:
     - Install APOC Plugin:
       - Windows Users: In Neo4j Desktop Main Page --> Choose your Database --> Click Plugins --> APOC --> Install
       - Linux Users:
         - Download APOC jar File: https://github.com/neo4j-contrib/neo4j-apoc-procedures/releases (*-*-all.jar file)
         - Place it in Plugins Folder --> check every folder path in Neo4j: https://neo4j.com/docs/operations-manual/current/configuration/file-locations/
         - Modify the Database Configuration File to approve apoc procedures.
           
           Uncomment: ``` dbms.directories.plugins=plugins ```
           
           Uncomment and Modify:
           ```
            dbms.security.procedures.unrestricted=apoc.*
            dbms.security.procedures.whitelist=apoc.*,apoc.coll.*,apoc.load.*
            #loads unrestricted and white-listed procedures/plugins to the server
           ```
           
           Restart Neo4j: ```systemctl restart neo4j```
     - Configure Database Settings File:
       - Windows Users: In Neo4j Desktop Main Page --> Choose your Database --> ... (Three Dots) --> Settings --> Go to last line and set the commands below --> Apply and Restart the Database
        
         ```
         apoc.export.file.enabled=true
         apoc.import.file.enabled=true
         apoc.import.file.user_neo4j_config=false
         cypher.lenient_create_relationship = true
         ```
         
       - Linux Users: Same as above, in the neo4j.conf file --> check every folder path in Neo4j: https://neo4j.com/docs/operations-manual/current/configuration/file-locations/

- Configure Memory Usage:
       
       In Neo4j Configuration File (neo4j.conf):
       You can run GraphKer with only 1G of Heap and 512M of pagecache
       ```
       dbms.memory.heap.initial_size=512M
       dbms.memory.heap.max_size=1G
       dbms.memory.pagecache.size=512M
       ```
       
### **3) Install requirements.txt**
   - GraphKer Uses: xmltodict, neo4j, requests, beautifulsoup4
   - ``` pip install -r requirements.txt ```

### **4) Install Applications Created for Neo4j**
   - There are several applications created especially for Neo4j that you can use for better experience and work.
     - Neo4j Bloom: Application for better graph presentations. Free and Easy to use.
     - Graphlytic: Third-Party App, better graph presentations, but most important auto-analytics and statistics. Free and Paid Editions. We can do the most locally with free edition. Learn More: https://graphlytic.biz/
     - Neo4j Database Analyzer: Third-Party App, Free, provides great analysis tools for our Data and our Schema. Learn More: https://community.neo4j.com/t/introducing-the-neo4j-database-analyzer/6197

# **Run GraphKer**

```
// Default
python main.py -u BOLT_URL -n USERNAME -p PASSWORD -d IMPORT_PATH
// Run and Open Neo4j Browser
python main.py -u BOLT_URL -n USERNAME -p PASSWORD -d IMPORT_PATH -b y
// Run and Open Graphlytic App
python main.py -u BOLT_URL -n USERNAME -p PASSWORD -d IMPORT_PATH -g y
// Default Run Example in Ubuntu
sudo python3 main.py -u BOLT_URL -n USERNAME -p PASSWORD -d /var/lib/neo4j/import/
```

_Default Bolt URL for Neo4j: bolt://localhost:7687_

_Default Username in Neo4j Databases: neo4j_

_For Neo4j Import Folder check the link above with File Locations._

Estimated RunTime: **6-15 Minutes**. Depends on hardware.

_**At least 8GB in your hard drive.**_

#
You can check out an existing example of the graph database that GraphKer creates. Just download the dump file from repo: https://github.com/amberzovitis/GraphKer-DBMS-Dump and import it to an existing or new graph database in Neo4j. This file consists of CVEs from 2021 (with related CPEs) and all CWEs and CAPECs.

You can access the CVE and CPE Datasets in National Vulnerability Database by NIST (https://nvd.nist.gov/vuln/data-feeds), CWE Dataset in MITRE (https://cwe.mitre.org/data/downloads.html) and CAPEC Dataset in MITRE (https://capec.mitre.org/data/downloads.html).

# 
--Search, Export Data and Analytics, Enrich your Skills--

**Created by Adamantios - Marios Berzovitis, Cybersecurity Expert MSc, BSc**

_Diploma Research - MSc @ Distributed Systems, Security and Emerging Information Technologies | University Of Piraeus --> https://www.cs.unipi.gr/distributed/_

_Co-Working with Cyber Security Research Lab | University Of Piraeus --> https://seclab.cs.unipi.gr/_

Facebook: https://www.facebook.com/GraphKerTool/

LinkedIn: https://tinyurl.com/p57w4ntu

Github: https://github.com/amberzovitis

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