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Category: IT-Security

Investigation into DES cracking with John the Ripper and Ztex FPGA

By Matthias Niedermaier Posted on 2020-02-10 Posted in Embedded Security, IT-Security, Linux, Make, Reverse Engineering 6 Comments
Investigation into DES cracking with John the Ripper and Ztex FPGA

DES has not been considered safe for a long time. For some time now, cracking tool John the Ripp has even made it possible to accelerate cracking with FPGAs. Since I find this topic exciting, I tried it with an …

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PLC Cycle Time Attack

By Matthias Niedermaier Posted on 2020-01-28 Posted in Embedded Security, IT-Security, Linux No Comments
PLC Cycle Time Attack

Demo of how communication load can influence the cycle time of a PLC. Default main cyclic task is used. Cycle time is set to 1ms. Every 250 cycles the next output is set. Attack on different PLCs Attack Code #!/bin/bash …

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Setting-up OpenPLC

By Matthias Niedermaier Posted on 2017-11-19 Posted in Embedded Security, IT-Security, Linux, Make, Raspberry Pi No Comments
Setting-up OpenPLC

The OpenPLC is a opensource Programmable Logic Controllers (PLC) alternative. Due to this, it is possible to understand the black box of these systems. It could be easily used with a Raspberry Pi.

Analysis of Mini 3G/4G WiFi Wireless Router (A5-V11)

By Matthias Niedermaier Posted on 2017-09-13 Posted in Embedded Security, IT-Security, Linux, Raspberry Pi, Reverse Engineering 2 Comments
Analysis of Mini 3G/4G WiFi Wireless Router (A5-V11)

Coreboot debugging, configuration, tint, etc.

By Matthias Niedermaier Posted on 2017-09-08 Posted in Embedded Security, IT-Security, Linux, Raspberry Pi No Comments
Coreboot debugging, configuration, tint, etc.

Coreboot provides a lot of possibilities of configurations, primary and secondary payloads and debugging mechanisms.

Flashing Coreboot on the T430 with a Raspberry Pi

By Matthias Niedermaier Posted on 2017-08-27 Posted in Embedded Security, IT-Security, Linux, Raspberry Pi 12 Comments
Flashing Coreboot on the T430 with a Raspberry Pi

Coreboot is an Open Source project, which replaces the proprietary BIOS of a traditional computer. Coreboot initialize the Hardware and then executes a payload (e. g. SeaBIOS or Grub).

Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 2

By Matthias Niedermaier Posted on 2017-06-16 Posted in Embedded Security, IT-Security, Linux, Make No Comments
Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 2

With OpenOCD it is possible to flash/upload programs to the spi flash of the Arty Board. From there the SiFive Risc-V “core” will boot.

Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 1

By Matthias Niedermaier Posted on 2017-06-14 Posted in Embedded Security, IT-Security, Make 3 Comments
Open Source Risc-V on the Xilinx Artix-7 35T Arty – Part 1

Configuring and programming the 100 € Xilinx Arty development board with an open source implementation of the Risc-V ISA from SiFive.

Hacking – Root @ Linksys E900 N300

By Matthias Niedermaier Posted on 2017-04-15 Posted in Embedded Security, IT-Security, Linux No Comments
Hacking – Root @ Linksys E900 N300

How to get root at Linksys E900 N300

Hacking – Root @ NETGEAR DM111PBL ADSL2+

By Matthias Niedermaier Posted on 2017-04-15 Posted in Embedded Security, IT-Security, Linux No Comments
Hacking – Root @ NETGEAR DM111PBL ADSL2+

How to get a root shell on the NETGEAR DM111PBL?

Hacking IP-Camera Digoo BB-M2 – Part 3 – Getting root access

By Matthias Niedermaier Posted on 2017-01-15 Posted in Embedded Security, IT-Security, Linux, Reverse Engineering 31 Comments

After getting access to the serial interface of the IP-Camera the next step is to get a root shell.

Hacking IP-Camera Digoo BB-M2 – Part 2 – Analyzing the boot process

By Matthias Niedermaier Posted on 2017-01-01 Posted in Embedded Security, IT-Security, Linux, Reverse Engineering 15 Comments
Hacking IP-Camera Digoo BB-M2 – Part 2 – Analyzing the boot process

The last article shows, how to identify the serial port on the IP-Camera. With this it is possible to solder wires on the IP-Camera and attach a USB to serial adapter to it.

Hacking IP-Camera Digoo BB-M2 – Part 1 – Identify serial interface

By Matthias Niedermaier Posted on 2016-12-28 Posted in Embedded Security, IT-Security, Linux, Reverse Engineering 4 Comments
Hacking IP-Camera Digoo BB-M2 – Part 1 – Identify serial interface

I have bought an WiFi security camera from banggood. The Digoo BB-M2 Mini WiFi HD 720P costs about 20 €, which is quite cheap for this kind of product. This article will analyze the serial interface of the IP camera.

Advisory (ICSA-16-313-01) from the Department of Homeland Security

By Matthias Niedermaier Posted on 2016-11-11 Posted in IT-Security No Comments

Offensive Security Wireless Attacks – OSWP Certification

By Matthias Niedermaier Posted on 2016-08-24 Posted in IT-Security, Linux, Windows 2 Comments

In my part time I have done my first Offensive Security course and certificate. It is called Wireless Attacks (WiFu) and deals with all kind of wireless attacks.

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