The folks at MITRE have created yet another awesome tool. CALDERA uses the ATT&CK model to simulate adversary behavior. It’s a great way to generate logs for hunting, or see how your detection stacks up. Here’s how I got it Read more…
Information: A user reported strange computer activity to their support staff. Support was so good that the first thing they did was to snap a memory image before the computer was rebooted. Once the technical staff acquired the memory, they Read more…
I love honeypots and wanted to give opencanary a shot cause I kept hearing how cool it was. It’s written in python, and very easy to configure and extend. The idea is to stick these in various places in your Read more…
Getting around protections with tunnels is very easy, but there are things you can do to detect and prevent them. A few are outlined at the bottom of this post. DNS Tunneling: First you need to set up DNS. Create Read more…
Software versions: Bro 2.5.1 – on Debian 8.9 bro server Logstash 2.2.4 on Debian 8.9 bro server Elasticsearch 2.4.6 on Debian 8.9 ELK server Kibana 4.3.0.9369 on Debian 8.9 ELK server First install Java on both systems: sudo add-apt-repository -y Read more…
This .htaccess blocks bots, search engine index, wget, curl, and access to itself. Enable via /etc/apache2/sites-available/whateversite.conf. <Directory “/var/www/html/whateversite”> AllowOverride All </Directory> .htaccess file. <Files .htaccess> deny from all </Files> RewriteEngine on RewriteBase / RewriteCond %{HTTP_USER_AGENT} AhrefsBot [OR] RewriteCond %{HTTP_USER_AGENT} Read more…
There are a number of things needed to stop ARP poisoning properly in a Cisco environment. DHCP snooping Trusted ports Dynamic ARP inspection A filter for static IPs DHCP snooping prevents rogue DHCP servers and is the groundwork for all Read more…
It’s easy to stop Optionsbleed with mod_security, unless you need HTTP OPTIONS on your web server. If you’re using CRS, you can uncomment rule number 900200 in crs-setup.conf. The idea here is to only allow what needs to be allowed, Read more…
This challenge has two phases. The first one involves creative thinking and research. The second one is live malware and reversing. Instructions and hints are built in. Rules and things you’ll need: 1. You need an isolated environment with a Read more…
Google and others have been working on implementing DNS over HTTPS. https://tools.ietf.org/id/draft-hoffman-dns-over-https-00.html This allows bypass of things like RPZ, DNS blackholes, and other protections. All the more reason to start thinking about SSL inspection. The right to privacy is understandable, Read more…