Blogs

Cylance Cybot

Recently I attended a webinar in which the presenter from Blackberry Cylance was talking about this tool that they created called Cybot. This tool is a chatbot designed for SOCs to hopefully speed up triagae its offerings. Turns out Cybot is a pretty nifty tool and has integrations to various chat platforms like Slack and Microsoft Teams. Installation Steps There are a number of prereqs required to stand up this app.

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Using TheHive4 webooks to create Microsoft Teams cards via Nodered

One of the most powerful features of TheHive has to be the outgoing webhooks. You make any modification to any case, task, observable etc and if configured, the outgoing webhooks will do with it what you will. I’ve written a few blog posts about TheHive webhooks, and my platform of choice has been Nodered for this. With a highly extendable and easy to use graphical drag and drop interface, it makes it easier to visualise your workflows.

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Upgrading Cortex 3.0.1/ES5.6 to Cortex 3.1.0RC1/ES7.8

In my last post, I covered how I went about upgrading TheHive from 3.4 to 3.5RC1 along with a double upgrade of Elasticsearch. Well now its Cortex’s time. Cortex 3.1.0 also uses Elasticsearch 7.8 so we are in for a similar upgrade process. Depending on your reliance on Cortex it may be a nice addition to TheHive that is rarely used, or it may be critical to your operation. Either way, getting to the latest version is desirable as there are always welcome bug fixes and improvements with error handling, reporting and general integration.

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Upgrading TheHive 3.4.0-1/ES5.6 to TheHive 3.5.0-RC1/ES7.8

TheHive 3.5.0 RC1 has now been released and my environment is in a bit of a shambles for this upgrade. You see when I performed my upgrade of TheHive 3.2.1 to 3.4.0 I elected to not upgrade to ElasticSearch 6.8 at the time as I wanted to do some more testing on it. I told myself, TheHive 3.4 was working just fine using Elasticsearch 5.6, so I never went ahead with the Elastic part of the upgrade.

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Data Migration from TheHive3 to Thehive4

Well its been a few months since I have written anything on my blog. Its not that I’ve been lazy, well OK its because I’ve been a little lazy and that I have been chasing squirrels and playing around with Home-Assistant and other various pieces since being in lockdown. I have also lacked the motivation to get something down in writing. Anyway, on with what I wanted to write about….

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Book Review: Operator Handbook Search. Copy. Paste. L33t ;)

Netmux’s Operator Handbook is 436 pages of infosec technology references with a seemingly never ending list of acknowledgements and contributors. I also love that there’s a section dedicated to Health & Wellness right at the start of the book. It’s a timely reminder that life will take everything that you give to it and more but our mental health needs to be looked after. The common signs and symptoms to look out for are put to paper, and more importantly details on how to get help and build a support system which is relevant for you, colleagues, friends, family and loved ones.

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Adding TheHive Case Data to Splunk

TheHive dashboards, while they are great at showing data counts and displaying then as graphs, there is one feature that was lacking in that it cant display a data table of what those cases are. So while you can build a dashboard to get a snapshot of where your team is at, you can’t see what cases and task that are in play. While there is an open issue to add this functionality, I thought i’d try something a little different with TheHive to fill that gap, and export the case and task data into a Splunk kvstore and build it out that way.

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Book Review: Defensive Security Handbook

Recently I purchased a few infosec books, one of them being the Defensive Security Handbook written by Lee Brotherston & Amanda Berlin. While this book was written back in April 2017, the information contained within is still very relevant today and will give the reader a sound footing when it comes to what you need to have as a secure baseline in your environment. There are 21 chapters that can be read from cover to cover, or each in isolation.

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Thehive4 RC1 to RC2 Upgrade

With my Java issue sorted out now, here are the steps to upgrade TheHive from RC1 to RC2. This is a dirty upgrade, but since TheHive is still in Release Candidate status, we can get away with upgrading like this. Ordinarily you should ensure that you have your system backed up in case there are breaking changes. Stop TheHive service sudo service thehive stop Update apt repositories and upgrade May as well apply all the security updates while I am at it.

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TheHive 4.0.0-RC2: Last error: Connection refused

I was so excited at the thought of all the cool new features that have popped up in TheHive v4.0.0-RC2 that I went straight onto my lab to give it a spin. Little did I know that my system was broken before I even started and I spent the best part of a few hours trying to figure out what exactly happened. For a brief moment I did consider burning the lab down and just rebuilding it, but I asked myself what would happen if this were a prod system?

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TheHive in Docker

Docker is something that i’ve not fully embraced to date, I know, I know… I’m a little late off the mark, but as I get to know Docker more, I can see that it has some worthwhile advantages for me in some of the projects I use and generally getting to know technology is never a bad thing. For instance, why spin up a single server for a service that only has 1 of the 65535 ports used when 99% of the time that server will most likely be idle.

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Adding Traefik Reverse Proxy to Opencti

Well this one was a bit of a learning experience for me. You see I have dabbled in the past with Traefik which seems to fit naturally when it comes to reverse proxy and Docker, but my efforts have come up short in the past through no fault but my own. Perhaps it was the fact I was trying to run before I could even crawl. Not to worry though.

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