Blogs

Exploiting the firewall beachhead: A history of backdoors into critical infrastructure

Posted by Günter Ollmann on Sep 28, 2016 11:00:00 AM


Sitting at the edge of the network and rarely configured or monitored for active compromise, the firewall today is a vulnerable target for persistent and targeted attacks

Read More »

Topics: Detection, Datacenter, firewall, backdoors, infrastructure, Data Center


Reverse engineering the Shadow Brokers dump: A close look at NOPEN

Posted by Nick Beauchesne on Sep 12, 2016 11:58:00 PM

While digging and reversing my way through the Equation Group dump, I’ve come across a few interesting pieces that probably are not getting the attention they deserve.  While a lot of the initial research has focused on the potential 0-days, the dump also gives a glimpse into the backbone tools and operational methods of a serious hacking group.

Certainly 0-days are great, but in my opinion the previously disclosed Fortidoor exploit is 100x more significant than the Fortigate HTTP 0-days disclosed in the dump.  And while most of the dump is around firewall implants and a few exploits, there are some very interesting ops tools in the drop.  One of those tools is NOPEN. It is referenced multiple times in their script/ops/doc, and seem to be one of the cornerstones of their infrastructure.  It is significant both as a backdoor in a target network or as a tool deployed on a listening post to let you create a multi-layer call-back network. So let's take a closer look at this software.

Read More »

Topics: Malware Attacks, cyber security, Detection


Subscribe to the Vectra Blog



Follow us