Some outright rants from a bunch of infosec practitioners.



A TROOPER’s Keyboard, part2

Greetings fellow TROOPERs,

TROOPERS14 has come to an end, and it’s finally time to let you have a go at the Badge’s source code. As promised, it was slightly modified and extended, to show you the full potential of your new gadget. I’ve added some nice payloads from Nikhil Mittal and a few own ones. Above that, for those who took their parts for soldering home, I’ve also added a few quick instructions on how to do the soldering.


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A TROOPER’s Keyboard

Greetings from the Print Media Academy in Heidelberg. Just in time for TROOPERS14, I’ve got the great honor to present this years badge!




Being a TROOPER is tough: You need to know loads of information, learn even more and be able to work fast.

This year we decided to increase your efficiency and speed when collecting data from computer systems and, let’s say, hacking them! Your newest gadget is based on a plain Arduino Leonardo, modded with one of our famous shields. After adding a few LEDs and buttons, it will power up to full functionality. (more…)

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The below post was originally written on February 9th as a little educational exercise & follow-up to my BinDiff post. (This research was actually triggered by a relative asking about that strange Fritz!Box vulnerability he heard about on the radio). Once we realized the full potential of the bug we decided against publishing the post and contacted several parties instead. Amongst others this contributed to the German BSI press release. Given the cat is out of the bag now anyway, we see no reason to hold it back. We will further take this as an opportunity to lay out our basic vulnerability disclosure principles in a future post. This topic will also be discussed in the panel “Ethics of Security Work & Research” at Troopers


Fritz!Box is series of DSL and WLAN routers produced by AVM. They are extremely popular in Germany and are the uncontested market leader for private DSL customers. Recently, a significant number of Fritz!Box owners became victim of an attack that resulted in calls to expensive international numbers. The newspaper “Der Westen” reported about a case where phone calls valued over 4200€ were initiated from a compromised Fritz!Box.  Few days later AVM published a security update for a large number of Fritz!Box models and urged customers to apply the patch as soon as possible.

However, no further details about the vulnerability were published. This blog post describes our analysis of the vulnerability that we performed directly after the first updates were released.


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I recently got in contact with Intel AMT for the first time. Surely I had heard about it, knew it was “dangerous”, it was kind of exploitable and had to be deactivated. But I hadn’t actually seen it myself. Well, now I have, and I simply love it and you will probably, too (and don’t forget: love and hate are very very close to each other ;-) )
The following blogpost will be a set of features and instructions on how to own a device with an unconfigured copy of Intel AMT without using any complicated hacks or the famous magic! (more…)

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This is a guest post from Vladimir Wolstencroft from our friends of aura information security

Mobile messaging applications have been occupying people’s attention and it seems to be all the latest news. Perhaps I should have called my presentation the 19 Billion dollar app but at the time of writing and research I thought the proposed 3 Billion dollar amount for SnapChat was a little ludicrous, who could have known that would have been just a drop in the ocean.

Upon starting, I decided to compare two mobile messaging applications that shared a relatively unique capability, self-destructing messaging. However the applications execute this in two very different ways. Looking at SnapChat with it’s millions of users and supposedly secure ephemeral messaging seemed like a good start. I also wanted something a little more secure, we have all heard and seen “snaps” leaked and displayed online so I had inkling that there might have been some serious holes within the application.


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This is a guest post from Antonios Atlasis



my name is Antonios and I am an independent IT Security Researcher from Greece. One of my latest “hobbies” is IPv6 and its potential insecurities so, please let me talk to you about my latest experience on this.

This week, I had the opportunity to work together with the ERNW guys at their premises. They had built an IPv6 lab that included several commercial IPv6 security devices (firewalls, IDS/IPS and some high-end switches) and they kindly offered their lab to me to play with (thank you guys :) – I always liked …expensive toys). The goal of this co-operation was two-fold: First, to test my new (not yet released) IPv6 pen-testing tool and secondly, to try to find out any IPv6-related security or operational issues on these devices (after all, they all claim that they are “IPv6-Ready”, right?).


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Fresh Meat From the Coding Front

Within the last months I had some time to work on my code and today I’m releasing some of that: a new version of dizzy as well as two new loki modules.


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This is a guest post from Jose Miguel Esparza (@EternalTodo)


There are already some good blog posts talking about this exploit, but I think this is a really good example to show how peepdf works and what you can learn if you attend the workshop “Squeezing Exploit Kits and PDF Exploits” at Troopers14.  The mentioned exploit was using the Adobe Reader ToolButton Use-After-Free vulnerability to execute code in the victim’s machine and then the Windows privilege escalation 0day to bypass the Adobe sandbox and execute a new payload without restrictions.


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Given we’ve received a number of inquiries as for the agenda of this year’s TelcoSecDay here’s a first preliminary agenda. To get an idea of the event’s character you might have a look at the agenda of the 2012 edition or the 2013 edition. Pls note that there might be changes/additions to the following outline as we’re currently discussing potential contributions with two European operators. Here we go, for today:

9:00: Opening Remarks & Introduction
9:15: Ravi Borgaonkor – Evolution of SIM Card Security
10:15: Break
10:45: Adrian Dabrowski
11:45: Collin Mulliner – PatchDroid – Third Party Security Patches for Android
12:30: Lunch
13:45: Philippe Langlois
14:45: Break
15:15: Haya Shulman – The Illusion of Challenge-Response Authentication
16:00: Christian Sielaff & Daniel Hauenstein – Breaking Network Monitoring Tools Used in Telco Space
16:30: Closing Remarks
19:00: Joint dinner (hosted by ERNW) in Heidelberg Altstadt for those interested and/or staying for the main conference


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Hi everyone,

Some of you may already know (the ones who are following Enno on Twitter) that Enno and I had our lab day in preparation for the IPv6 Security Summit at Troopers.  We had a brand new and shiny Cat4948E as our lab device to do some testing of the current generation of Cisco’s IPv6 First Hop Security (FHS) mechanisms. The Catalyst was running the latest image available (15.1(2)SG3).

In this small blog post, we will take a look at the configuration and behavior of IPv6 Snooping and DHCPv6 Guard. So let’s start with IPv6 Snooping:


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