Intrepidus Group

Monthly Archives: August 2011

Skype 5.5 and New Hidden Emoticons

Posted: August 25, 2011 – 3:37 pm | Author: | Filed under: Uncategorized

WARNING: This post is humorous (and not very technical) in nature. Please don’t take anything that follows seriously.  With that warning out of the way, we all know that Emoticons are a very serious topic. When Skype updates their emoticon set the Internet takes notice. When Skype announced new emoticons, they included a bit about […]

Setting up a persistent trusted CA in an Android emulator

Posted: August 24, 2011 – 12:54 pm | Author: | Filed under: android, Mallory, Reverse Engineering, ssl

Setting up a persistent trusted CA in the Android emulator is a common problem, encountered any time we assess an application within an emulator, that use SSL properly. The goal is to man-in-the-middle (MITM) traffic from an application running in the Android emulator. In order to successfully MITM traffic, the Certificate Authority (CA) of the […]

Dropbox for Android Vulnerability Breakdown

Posted: August 19, 2011 – 11:12 am | Author: | Filed under: android, Reverse Engineering

Dropbox vulnerabilities are back and they’re mobile. This week Tyrone Erasmus released a vulnerability in the Android Dropbox client that allows other apps to access its content database allowing attackers to upload your files to the public. I wanted to break down this vulnerability because the lessons learned aren’t that Dropbox is vulnerable, it’s that […]

BlackHat 2011 and Defcon 19 Summary: MXS9000 Style

Posted: August 8, 2011 – 12:20 pm | Author: | Filed under: Conferences, Mobile Security, NFC

We’re all getting back from BlackHat and Defcon now, despite some weather delays and red-eyes, I think everyone had a blast again this year. First off, a big thanks to the Rio for hosting DC and putting up with some shenanigans: there were rumors of rogue cell towers, some definitely unsafe wifi, and elevators mysteriously ended […]

Strengths and Weaknesses in Apple’s MDM System

Posted: August 5, 2011 – 9:21 pm | Author: | Filed under: bugs, iOS, Mobile Device Management, Tools

Yesterday, for the first time, I headlined a talk at a major security conference. It was quite the experience, and not nearly as nerve-wracking as I might’ve expected. Actually, it was pretty easy — I took the approach that “this is some cool stuff I found, let me tell you about it” and kept a […]


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