Honeypot – honeyd Tutorial part 1: Getting Started

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virtual-honey-pot-sized-300x184honeyd tutorial part 1, getting started

There are many different types of honeypots and these different types are explained very well in the book Virtual Honeypots. This is a book I would highly recommend you read if you are serious about deploying a honeypot. This next few articles will focus on honeypots using an application called honeyd. There are a number of honeypot solutions out there but I certainly feel like honeyd is a great fit because it can be relatively simple or you can start tweaking it to get a more full featured product. You may think of honeypots as internet facing and it’s true that they can be configured that way but during this series of tutorials I will only be using honeyd on an internal network. Internet facing honeypots are mainly used to research and find new malware, internal honeypots are mainly used as alerting systems that would alert you when other devices / users are connecting to your honeypots. You can also use honeyd when investigating malware which I’ll discuss sometime in a later tutorial.

For this tutorial I will be using one Windows machine and one Linux machine. This linux machine will be using the Kali Distribution. Kali will be the machine that is running honeyd. Honeyd is available for Windows but I highly recommend that you use honeyd on Linux. If you’re half way interested in information security then I suggest that you get to know Linux as there are a lot of information security tools such as honeyd that use Linux. Sorry for the Linux rant, below is basic diagram of my setup.


The idea here is that we’ll install and configure honeyd on Kali, then simply test that we have connectivity with our Windows machine. To see if you have honeyd installed on Kali (or any Linux system) simply type “honey + TAB”, if “d” is shown right after honey then you know you have honeyd installed as it is an available command if you don’t have honeyd installed on Kali for some reason, run the following command:

sudo apt-get install honeyd

“apt-get” will also work for any Debian based Linux system. To install on other distributions such as Gentoo, Fedora, Slackware, etc I would check their documentation on how to install packages. After honeyd is installed the next thing we’ll need to do is create a configuration file. A honeyd configuration file is the heart of your honeypot. The configuration file tells honeyd what operating system to emulate, what ports to open, what services should be ran, etc. This config file can be tweaked to emulate all sorts setups but for right now let’s look at a simple setup and get that up and running. Below is my config file.

create default

set default default tcp action block

set default default udp action block

set default default icmp action block


create windows

set windows personality “Microsoft Windows XP Professional SP1″

set windows default tcp action reset

add windows tcp port 135 open

add windows tcp port 139 open

add windows tcp port 445 open


set windows ethernet “00:00:24:ab:8c:12″

dhcp windows on eth0

Within Kali you can use the text editors to create this file. The “create default” section simply tells honeyd to drop traffic unless it is defined later in the configuration file. I find this section is needed when you let your honeypot acquire an IP address via dhcp. Also it’s probably a good idea to implement this section so that you only answer to network connections that you define later in the config file. Anytime you see “create” within the config file you are creating a template for a honeypot, so you can create as many honeypots as you’d like within the honed.conf config. In the windows template we are defining a number of things. First we are setting the personality, meaning when another device on the network connects to this honeypot it will appear to be a Windows XP Pro SP1 device. This is emulated via network stack fingerprints. In the windows template I’m also opening up three ports (135, 139, and 445). These are common ports that are open on a windows system. The “action reset” statement will drop traffic if it is not aimed at the open ports defined in this config. The “set windows ethernet” sets a MAC address for our honeypot.  This will be needed if you run your honeypot via dhcp. You can simply make up any MAC address you’d like, I usually keep it close to the physical MAC address that I’m running the honeypot off of. Finally the dhcp statement tells the windows template to acquire an IP address from dhcp. Now that we have our honeyd.conf file properly setup it’s time to launch honeyd, below is the command I use when initially getting honeyd up and running.

honeyd  -d  -f  honeyd.conf

Here we use the -d so that it doesn’t run in the background (or doesn’t run as a daemon in Linux terms). This allow for more verbose output so that we can troubleshoot as needed. Running in this mode will also show the IP that was given to our honeypot via dhcp. Below is the type of output you should see after running the honeyd command.

Honeyd V1.5c Copyright (c) 2002-2007 Niels Provos

honeyd[1870]: started with -d -f honeyd.conf

Warning: Impossible SI range in Class fingerprint “IBM OS/400 V4R2M0″

Warning: Impossible SI range in Class fingerprint “Microsoft Windows NT 4.0 SP3″

honeyd[1870]: listening promiscuously on eth0: (arp or ip proto 47 or (udp and src …

honeyd[1870]: [eth0] trying DHCP

honeyd[1870]: Demoting process privileges to uid 65534, gid 65534

honeyd[1870]: [eth0] got DHCP offer:

honeyd[1870]: Updating ARP binding: 00:00:24:c8:e3:34 ->

In this verbose output we see that dhcp gave our honeypot the address of From our windows machine let’s ping that IP address and make sure that we have connectivity. You should see output on the terminal similar to below.

honeyd[1870]: arp reply is-at 00:00:24:c8:e3:34

honeyd[1870]: Sending ICMP Echo Reply: ->

honeyd[1870]: arp_send: who-has tell

honeyd[1870]: arp_recv_cb: at 00:0c:29:7e:60:d0

honeyd[1870]: Sending ICMP Echo Reply: ->

honeyd[1870]: Sending ICMP Echo Reply: ->

honeyd[1870]: Sending ICMP Echo Reply: ->

So congrats you’ve successfully deployed honeyd. We can now ping our honeypot but we need to make sure the ports we’ve configured to be open are open. Let’s use the Cadillac of port scanners nmap to detect open ports on our honeypot. You can scan for all 65,535 ports on our honeypot but to keep the verbose output of honeyd low let’s just scan for a handful of ports. Below is the nmap command I used.

nmap -p 135,139,445,1337

The output of this command should look similar to below.

Starting Nmap 5.00 ( http://nmap.org ) at 2011-05-06 13:13 EDT

Interesting ports on someone (


135/tcp  open   msrpc

139/tcp  open   netbios-ssn

445/tcp  open   microsoft-ds

1337/tcp closed waste

MAC Address: 00:00:24:26:C4:ED (Connect AS)


Nmap done: 1 IP address (1 host up) scanned in 0.37 seconds

So honeyd appears to be working correctly. If you’ve reached this point then you are on your way to doing even more with honeypots and honeyd. The main purpose of this article was to get you up and running. In the next series of articles we’ll configure more honeypots, set static IP’s, get alerts on devices port scanning our honeypots, investigate malware, etc.

Stay Tuned…

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