Category Archives: Linux

Metasploit+Amazon SES, or debugging Sendmail’s SMTP Authentication

TL;DR: Debugging Sendmail’s SMTP AUTH option is not well documented. I integrated Metasploit Pro with Amazon’s SES/Sendmail, and this describes the debug process I used. We have an Amazon EC2 system using SES (Simple Email Service) running Sendmail.  We use … Continue reading

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LetsEncrypt + Amazon EC2 = SSLLabs A Rating

I wanted to easily add web security to a static AWS EC2 website to improve the search rankings. I found a guide by Ivo Petkov however there were a few problems with his instructions. I followed his advice: sudo yum install … Continue reading

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Building a Teensy 3.2 w/SD and 8 position DIP switch + Reset button

I’ve always wanted to build a versatile Teensy-based device for use in physical security penetration testing. I’ve seen Irongeek’s device, and Mike Czumak’s dongle,  but neither of these had an SD card, and only had a 4 of 5 position … Continue reading

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Scanning for confidential information on external web servers

One of my clients wanted us to scan their web servers for confidential information. This was going to be done both from the Internet, and from an internal intranet location (between cooperative but separate organizations). In particular they were concerned … Continue reading

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Setting up Kali 1.1.0 on the new Raspberry Pi 2

My new Raspberry Pi 2 arrived, and I wanted to install Kali on it. I was preparing to follow the steps of Richard Brain,  but before I started, the folks at Kali tweeted that there was now a download available.  … Continue reading

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Extracting shell commands from Kali’s application menu

I use the Linux command line whenever I can.  Using the mouse to execute something when my fingers are on the keyboard irritates me. I was using the Kali linux distribution to do some pentesting. And I was getting frustrated. … Continue reading

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Cataloging SDHC Cards on Ubuntu using a bash script

I have a lot of SD memory cards. I use them for my Camera, my Raspberry Pi, and for my laptop. They are cheap enough, I get several spares. And it makes it easy to convert my Raspberry Pi into … Continue reading

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