This can be Windows, Ubuntu, anything as long as it sits behind the NAT. There should be an option to add a standard virtual switch. This is how the Security Onion (or similar Intrusion Detection System) gains visibility into a target a subnet. Here is a sample of what the winlogbeat.yml should look like. Head back to your Security Onion instance and run the following command, Type a and wait for the process to complete, Type in the IP Address from the Ubuntu Desktop, This will create a firewall rule on Security Onion that will allow you web access from your Ubuntu Desktop. Otherwise, there is always Amazon. Hunt is similar to Dashboards but its default queries are more focused on threat hunting. # Elasticsearch output . Make sure you allow promiscuous mode on the VMs NIC. There are a couple different ways (that I know of) that you can set this up. Feel free to continue on with the setup process until you create your user account. Search for Windows Defender Firewall > Turn Windows Defender Firewall on or off. If you dont have a switch and are looking to purchase one, here is what Im currently using. Your device name will probably be different. Homenet Edit on GitHub Homenet The homenet variable defines the networks that are considered home networks (those networks that you are monitoring and defending). This would give you the ability to span all incoming and outgoing traffic from your network. Look at the manual online for the switch you are considering to see if can mirror many to one. This process can take a bit of time, so feel free to grab a coffee or something. The management interface was assigned a static IP address with a /30 CIDR space. We can access our Kibana interface and see everything that is coming through our network now. In order to define a per node homenet, it can be defined in the minion pillar file (/opt/so/saltstack/local/pillar/minions/$SENSORNAME_$ROLE.sls) under sensor:hnsensor. We can begin by hitting that Setup icon. Though, there are some limitations, but they more than likely wont effect you. Now that weve got everything up to this point, the next step is to install the operating system. # supported options with more comments. Add the Vmnet6 network adapters to the Splunk adapter, Navigate to Settings >> Forwarding and Receiving >> New Receiving Port, Navigate to Settings >> Indexes >> New index, On your Windows Server, Download the Universal Forwarder, Accept the License Agreement & click Next, Enter the IP Address of your Splunk server and the default ports as prompted (8089 & 9997), Navigate back to your Splunk Instance >> Settings >> Add Data, Select the Domain Controller (Windows Server) >> Enter a Server Class Name e.g Domain Controller >> Next, Select Local Events Logs and choose your desired event logs >> Next, Select wineventlog as the index >> Review >> Submit. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. An example layout of firewalls to create 2 isolated subnets while still allowing management and monitoring functions to occur. Select source_geo.location and then visualize. This allows you to build a node that mimics common services such as HTTP, FTP, and SSH. Thats right. Verify the ISO image and then boot from it. The goal of this portion of the lab is to add 2 Windows 10 desktops to the Domain and complete the active directory lab. # Enabled ilm (beta) to use index lifecycle management instead daily indices. Yeah, there are definitely a lot more possibilities with this lab. This would give you the ability to span all incoming and outgoing traffic from your network. The setup suggests a static IP, this is because that IP will always be reserved for this device instead of DHCP where the IP can change based on how our network is set up. What would i need to configure on that switch ? Following our restart we can begin the second phase of the setup process. By default, the Security Onion will deny all traffic to the management port aside from an initial wide open SSH rule. This ends the configuration of the pfsense VM. Use the same configuration steps as the Domain controller: Configure windows 10 as usual and when you get to this point select I dont have internet, Set the first user and the password (Remember from the DC configuration), Uncheck ALL the privacy settings then select Accept. This was fun and exciting to work on and I hope you found value in this process. ; You may want to apply an operation from the . -script: The default log level is info. The idea is that the Pfsense is ultimately doing the blocking and the SecOnion is for the analyst to conduct investigations to make the determinations to tune the IPS as well as understand what is occurring on their network. Security Onion is a free and open Linux distribution for threat hunting, enterprise security monitoring, and log management. Though the one we care about right now is option a. Hello, It includes Elasticsearch, Logstash, Kibana, Snort, Suricata, Bro, Wazuh, Sguil, Squert, CyberChef, NetworkMiner, and many other security tools. Keep in mind these rely on proper firewall rules created with logging selected as it will no longer log default rule blocks. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes! The more advanced setup below is merely a guide. Completing this project takes a lot of effort but is well worth it. Heres a great article on how to install Sysmon! We believe everyone should be able to explore the internet with privacy. I would use a USB for this process, especially if you only have one HDD/SSD installed on the designated computer. Sort of. Once again, we hit the setup button. Our port is assigned to the SPAN vswitch and specifically allows for promiscuous mode. The minimum capability recommended here is to deploy something like an Intel Nuc, an Intel-based fanless computer, in such a way that it can view full packet captures of the traffic going to and from a cable modem (or similar media bridge) to a home Wi-Fi router/switch. As always refer to the latest documentation regarding copying pfsense logs to a remote host; in this case the SecOnion. This is NOT going to be our interface plugged into our SPAN. Setting up ESXI is a little more daunting to most, but overall a simple process! Get ready to peel back the layers of your enterprise and make your adversaries cry! #ssl.key: /etc/pki/client/cert.key, #================================ Processors =====================================. Feel free to create whatever username you wish. When I had this set up on a spare laptoptheseare the ones I used. Before we get started, it is important that you have the capability to create a SPAN port on your local network. When prompted, join them to the manager node using the password that you created for the soremote account. Youll have to register for an account (its free) and then you can download an ISO. Add 5 network adapters and correspond them with a VMnet interface as shown below. Security Onion provides network metadata using your choice of either Zeek or Suricata. Security Onion Console (SOC) also includes an interface for full packet capture (PCAP) retrieval. Using the web console associated with the switch, Im able to set up Port 8 as my SPAN port. On the pfsense the following settings are made. Check for FW events using the Kibana Disccover tool. The pfsense machine will power on and start with this screen. Meet our team. From what I have read, you need 2 nic's on the laptop, 1 for management and 1 for sniffing. #cloud.auth: #================================ Outputs =====================================. add_host_metadata: ~ Off course I would like to monitor all traffic and not only 1 of the 2 smart switches. A SPAN port, for those that dont know is a port that is set up to mirror other ports on a switch. Since this homenet applies to Suricata and Zeek, we can apply the suricata and zeek states to the node. The goal of this portion of the lab is to set up an Active Directory domain with a Windows 2019 Server as the Domain Controller and 2 Windows 10 machines. When you bridge any two networks you also bring their broadcast domains into contact with each other. Now that we have Sysmon set up, we need to configure Winlogbeat to send our data off to our Security Onion. This is done by clicking . Another thing that youll need is at least two network interface cards (NICs) on your system. Note that Netsniff and we have very little loss for Zeek or Netsniff. This requires xpack monitoring to be enabled in Elasticsearch. Unfortunately, Im no longer able to provide technical support for this lab due to changes in various software components. Strelka can then analyze those files and provide additional metadata. Tor Browser prevents someone watching your connection from knowing what websites you visit. Practice it a lot. Was this translation helpful? The default value is RFC1918 private address space: A node can be assigned either the global homenet or its own homenet. # The URL from where to download the dashboards archive. # Set to true to enable the monitoring reporter. # At debug level, you can selectively enable logging only for some components. But were going to select option to allow Logstash Beat through the firewall. Were going to install both Sysmon and Winlogbeat on any/all Windows machines on our network that we wish to monitor. These are just settings that work with mine. Log into Kibana and search for firewall events with event_type:firewall. Security Onion can consume logs from your servers and workstations so that you can then hunt across all of your network and host logs at the same time. Specify disk size (minimum 200GB), store as single file, click Next. Then click Finish. For devices like firewalls and routers that dont support the installation of agents, Security Onion can consume standard Syslog. The default log level is info. Minimum Security Onion HW requirements for home network I'm eager to implement Security Onion in my home network for security network monitoring, but having hard time to find suitable hardware. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!. Splunk essentially aggregates logs and datasets from various data sources and correlates all that information for easy searching, parsing & indexing. # ID of the Kibana Space into which the dashboards should be loaded. # Sets log level. Security Onion and the tools we integrate are all open to the public, written by members of the cyber security community. Manually restart the server in order for all the settings to take effect. We advance human rights and defend your privacy online through free software and open networks. I would install it (standalone) on a laptop that I don't use anymore. The hardware requirements are listed below: CPU: AMD Ryzen 5 3600X 3.8 GHz 6-Core Processor, RAM: G.Skill Ripjaws V Series 32 GB (2 x 16 GB) DDR4 Memory, STORAGE: Crucial P1 1TB M.2-2280 NVME SSD, GRAPHICS CARD: MSI GeForce GT 710 2 GB Video Card, MOTHERBOARD: Asus TUF GAMING X570 ATX Motherboard. Were going to boot into ESXI which can be downloadedhere. And Intrusion Detection System ( IDS) is: NIDS alerts are generated by Suricata. The simple answer is, you can. If you dont have a network or are rebuilding it starts by getting the network up and running with the subnets setup; yes you can have only one subnet but it will limit your capabilities. We created and maintain Security Onion, so we know it better than anybody else. The USB to Ethernet adapter will create an interface with a name like enx503eaa2f7c7e which will follow the wireless interface of wlpxxxx. I would use a USB for this process, especially if you only have one HDD/SSD installed on the designated computer. #, #======================= Winlogbeat specific options ==========================, # event_logs specifies a list of event logs to monitor as well as any Would it be possible to host it in a server so that all user can access remotely (would it be possible in KASM) ? You should be able to monitor your home network using Security Onion. #setup.dashboards.enabled: true. I usedetcherto accomplish this. If your Perimeter device is shipping logs and facing the Internet it will begin logging hits almost immediately. : Or if you set up port mirroring it might look like this: Share. This interface will be used to hit the web console. # Set to true to enable the monitoring reporter. Playbook allows you to create a Detection Playbook, which itself consists of individual plays. With all of the data sources mentioned above, there is an incredible amount of data available at your fingertips. Workstation does not allow you to properly create SPAN ports unfortunately. Note that having 2 desktops is not a hard requirement for this lab as ONE desktop is sufficient. If you would like more granular control over your system I would recommend . #tags: [service-X, web-tier], # Optional fields that you can specify to add additional information to the You can use Security Onion to monitor north/south traffic to detect an adversary entering an environment, establishing command-and-control (C2), or perhaps data exfiltration. Fortunately, Security Onion tightly integrates the following tools to help make sense of this data. Log in with the username and the password you configured in the previous step. (This lab is still pending its final form. This will enable time on the keyboard when combined with the Pivoting through the noise. Our instructors are the only Security Onion Certified Instructors in the world and our course material is the only authorized training material for Security Onion. There should be an option to add a standard virtual switch. Luckily for you, Ive done both! We offer both training and support for Security Onion. So were going to create a new directory for our ISOs and upload our Security Onion ISO using the button within the datastore browser. Enter an admin username and password of your choice, Navigate to http://splunk:8000 your browser. I am just wondering, is it possible to set up this lab in a big scale for 20+ people. So we choose that and allow anything on our network to talk to the management interface. These are the interface assignments that match the network map above. Use the configuration below for the OPT2 interface. Once again, we hit the setup button. Once everything is selected hit the Flash button. After this installation, run the ifconfig command on the Ubuntu Machine and take note of its IP Address. The monitoring interface was assigned a static IP address with a /32. #output.elasticsearch: The default value is RFC1918 private address space: Configuration A node can be assigned either the global homenet or its own homenet. FAQ The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!. Once everything is installed for ESXI we need to configure the settings needed for Security Onion. Source code is available in GitHub for review by those interested in understanding how the system works, behind the scenes. Required fields are marked *. Though, there are some limitations, but they more than likely wont effect you. While automation and correlation can enhance intelligence and assist in the process of sorting through false positives and malicious indicators, there is no replacement for human intelligence and awareness. At this point, pfsense Wizard is complete and changes can now be made to the Interfaces. You might want a deployment style similar to below. Luckily for you, Ive done both! Power the virtual machine and click Enter when prompted: After the initial stages of loading, type yes when prompted. An article on how to start learning to pivot through the noise, determine false positives, and find the adversary. Basic networking knowledge (basic understanding of subnets and network segmentation. Preferably pfsense. #password: changeme, # Logstash output After downloading the Ubuntu server, create a new virtual machine with the following settings then start the virtual machine: Before powering on the machine, enter the Virtual Machine Settings and remove the CD/DVD drive with the file named autoinst.iso, as well as the Floppy drive with the file autoinst.flp, Install the server using all the default settings and create a profile. So what I do not understand is: as per your illustrations/guide; your built-host-machine has a 32 GB ram and a 2gb graphics card, but when you build the lab virtual machines (pfSense, Onion, Ubuntu, Splunk, Windows, Kali) altogether ram adds up to about 30gb of ram just for VMware Virtual Machines created. Unlike signature-based intrusion detection that looks for specific needles in the haystack of data, network metadata provides you with logs of connections and standard protocols like DNS, HTTP, FTP, SMTP, SSH, and SSL. # transaction published. One of the greatest features of the SecOnion is the fact it ingests PfSense logs out of the box! I would span the closest point of entry on your network. This is a very easy process and Ill not be covering it in this write-up but it is covered in the video. But were going to select option to allow Logstash Beat through the firewall. # The Logstash hosts # dictionaries. As Zeek and Suricata are monitoring your network traffic, they can extract files transferred across the network. There is certainly valuable evidence to be found on the victims body, but evidence at the host can be destroyed or manipulated; the camera doesnt lie, is hard to deceive, and can capture a bullet in transit. Choose Linux, CentOS 7 64-Bit and click Next. *To the comment above: I mean I couldnt download the Universal Forwarder, Download on another machine then use a thumb drive to tranfer to the machine you want to use for the project, Pingback: 3 Best Cybersecurity Homelab Projects For Your Resume -, Hi, Heres a great article on how toinstall Winlogbeat! The YAML data type of event_logs is a list of Any setting that is not set is Although this will be at a relatively small scale, you will be able to apply the knowledge gained in a real-world large-scale/enterprise infrastructure. Click Customize Hardware and do the following: ~ Add two Network Adapters and assign them Vmnet 4 & Vmnet 5 respectively. I have some questions about security onion that I would like to use on my home network. Were going to boot into ESXI which can be downloaded, We can take this a step further and forward our Windows event logs to our Security Onion machine automagically! # following line. Would this be good to set up in my VMWare Pro on my daily PC if I have the resources, or do I need a separate machine to be safe, so it doesnt interact with my primary host? Youll have to register for an account (its free) and then you can download an ISO. It includes. # accompanying options. Is this lab only suitable for Detection and Monitoring? As you are working in Alerts, Dashboards, or Hunt, you may find alerts or logs that are interesting enough to send to Cases and create a case. Hopefully you found this helpful! Revision 525fc0c7. Security Onion includes a native web interface with built-in tools analysts use to respond to alerts, hunt for evil, catalog evidence into cases, monitor grid performance, and much more. Hit me up on twitter at @DarthSnorlax, ###################### Winlogbeat Configuration Example ##########################, # This file is an example configuration file highlighting only the most common, #======================= Winlogbeat specific options ==========================, # event_logs specifies a list of event logs to monitor as well as any, - name: Microsoft-Windows-Winlogon/Operational, - name: Microsoft-Windows-Windows Defender/WHC, - name: Microsoft-Windows-Windows Defender/Operational, - name: Microsoft-Windows-PowerShell/Operational, - name: Microsoft-Windows-PowerShell/Admin, - name: Microsoft-Windows-LSA/Operational, - name: Microsoft-Windows-Sysmon/Operational, #==================== Elasticsearch template setting ==========================, #================================ General =====================================, # The name of the shipper that publishes the network data. The first diagram is of the logical layout of the lab and devices. Security Onion will provide visibility into your network traffic and context around alerts and anomalous events, but it requires a commitment from you the defender to review alerts, monitor the network activity, and most importantly, have a willingness, passion, and desire to learn. You can use it as a reference. Why building it at home is beneficial: This can probably be done for cheaper. # versions, this URL points to the dashboard archive on the artifacts.elastic.co Through a series of prompts you will get to one which asks whether or not you want to configure your network interfaces. An example to ensure IPv6 traffic is not leaving your network. Authentic colors of fascinating Provence - Cote d'Azur - traditions, mentality and way of living. They dont age well. add_cloud_metadata: ~, #================================ Logging =====================================, # Sets log level. Revision 525fc0c7. output.logstash: After rebooting, you should have your GUI. I generally recommend having a server or PC that is dedicated just for labbing and learning. Simply running Wireshark on a laptop in your home wont be enough to really begin building the foundations being spoken about here. Other setups do not have to follow these precisely (obviously). #xpack.monitoring.enabled: false. The winlogbeat.reference.yml file from the same directory contains all the Happy hunting! Once our switch is created, we need to create a port group. # reporting is disabled by default. I approached this project with that in mind. After Security Onion Reboots, proceed with the following: Click the spacebar to select ens33 as the management interface, Select Automatic for the OS patch schedule, Enter an email address and password for the admin account, Select Yes for the NTP server & accept the defaults.
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