Author Archives: grymoire

Installing pyftdi on Ubuntu 18.04 for FT232H and FT2232H boards

Why use  FT232H and FT2232H boards? I wanted to use a FT232H board for some hardware hacking. The FTDI FTxxx family of devices and boards based on this chip is categorized as a Multi-Protocol Synchronous Serial Engine (MPSSE), which can … Continue reading

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Bus Pirate Cables – which is the best?

One of the more useful tools for reverse engineering hardware is a Bus Pirate. However, it does not come with any sort of cable or connector. You can use DuPont connectors, if your device has headers soldered to it. However, … Continue reading

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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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How to custom fit the Hammond 1455J1201 case to the HackRF

I purchased a HackRF device from Kickstarter, and some people recommend that shielding will help improve the reception. Nooelec sells an optional shield, but I thought a metal case would provide better shielding, for a few more dollars. Mike Ossmann … Continue reading

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