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 this. It builds a database of bindings and specifies where 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, and drop everything else. Of course, if you’re not using 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 Windows Vista/7/10 VM guest, and a snapshot. On the VM, 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, but protecting users, assets, and data is more important. This Read more
Struts vulnerable ISOs. https://pentesterlab.com/exercises/s2-045 https://struts.apache.org/docs/s2-045.html – CVE-2017-5638 https://pentesterlab.com/exercises/s2-052 https://struts.apache.org/docs/s2-052.html – CVE-2017-9805 Pentesterlab has over 20 free labs where you can learn some techniques used for some pretty big vulns that happened over the past few years. Pro version is 20 bucks a month. Good to see someone doing this again. Read more
MISP is free and it’s one of the best threat sharing platforms I could find. The beauty of MISP is how easy it is to integrate with tools like bro, Snort, and RPZ. You can do API calls and pull in only the data that you want to either alert Read more
I’ve been comparing SSL decryption services and devices, and Zscaler is much more than that. It’s an all-in-one Content Filtering, SSL decrypting, DLP, Bandwidth controlling(quota), IPS, Malware preventing(including sandbox) awesome cloud based solution. AND, It works with mobile devices even if they’re roaming! The solution consists of GRE tunnels out Read more