Overview For some time now, we've been using DNSCat as a means to covertly transmit data during engagements where clients IDS's or Firewalls might otherwise block us. The DNS protocol is often...
VPN over DNS
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Shellntel
Websocket Based Egress Buster
Problem It is common during a penetration test that a tester may run into the problem of figuring out which ports and maybe even which protocols are allowed out of an environment. This is due to the...
Abusing Exchange Web Service – Part 1
Outlook Web Access (OWA) has been one of the consistently viable attack vectors for pentesters and bad guys alike for many years. Frequently, an attacker will obtain valid credentials by brute...
Why Security Awareness Training Fails
First, let's talk about what "failure" is and is not in the context of Security Awareness Training (SAT). Failure is not when a company gets breached due to social engineering. Wait, what?? All the...
Assisted directory brute forcing
Very frequently during a web application assessment a pentester may begin by fingerprinting what web frameworks and libraries are used by a given application. Possibly by running a tool such as...
crEAP – Harvesting Users on Enterprise Wireless Networks
With the demands of a mobile workforce, wireless networks in enterprise environments are quite common. Typically, enterprise wireless networks employ WPA-Enterprise security features, which removes...
![[UPDATE] Creating your own private botnet for scanning.](https://www.synercomm.com/wp-content/uploads/2015/09/B87Im1.jpg)
[UPDATE] Creating your own private botnet for scanning.
This is an update to an older post that can be found here. Since createProxy's initial release, we've received some great feedback and, as a result, we made some improvements. There were several...
Drone Code Execution (Part 1)
Recently some of us here at shellntel have been building quadcopters and autonomous vehicles for fun. We are big fans of the Pixhawk flight controller for its awesome autonomous capabilities. We...
PowerShell Memory Scraping for Credit Cards
During the post exploitation phase of a penetration test, I like to provide the client with examples of what could happen if a breach were to take place. One of the most common examples of this is...
Intro To Active Directory Delegation
One of the most frequent questions I get from my CircleCityCon/DerbyCon Active Directory talk goes something like "You recommend that we delegate permissions in AD (as opposed to just dropping...