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18.06.2018

Raspberry Pi

If you have a Raspberry Pi 2 Model B at home, you can download the following image and solve Exercise 4 Part 1 yourself without any additional hardware. Copy the image to an SD card (min. 16 GB) and boot it.

... Weiterlesen

If you have a Raspberry Pi 2 Model B at home, you can download the following image and solve Exercise 4 Part 1 yourself without any additional hardware. Copy the image to an SD card (min. 16 GB) and boot it.

https://hyperion.cispa.saarland/fred/hacking/pi2.image

Keep in mind that we cannot offer support for your own hardware. If the image doesn't work or you run into problems using it, it might be necessary to swap for one of the provided Raspberry Pi 3 Model B.

In case you break the operating system on the provided Raspberry Pi 3 Model B, you can use this image to restore the SD card (8 GB) to its original state.

https://hyperion.cispa.saarland/fred/hacking/pi3.image

15.06.2018

Exercise 4.1

The Cold Boot part of Exercise 4 is ready and the sheet will be released this weekend. As we announced on wednesday, you will be needing hardware for this exercise which we will of course provide. Each team can come by the office in E9 1, room 1.13 on monday and... Weiterlesen

The Cold Boot part of Exercise 4 is ready and the sheet will be released this weekend. As we announced on wednesday, you will be needing hardware for this exercise which we will of course provide. Each team can come by the office in E9 1, room 1.13 on monday and get one Raspberry Pi. As the software has yet to be copied to all devices, we suggest that you come after lunch. You may however try coming in the morning, if you're feeling lucky.

Sorry for the delay and have a nice weekend.

Frederik

08.06.2018

Exercise 3: Covert Channel: Hint 3/3

Last hint:

One channel uses a (slightly modified) morse code.

07.06.2018

Exercise 3: Covert Channel: Hint 2/3

Hi,

the second hint is:
One of the channels is hard to find when using wiresharks default settings for the used network protocols

06.06.2018

Exercise 3: Covert Channel: Hint 1/3

Hi everybody,

there has been a request to give some hints on the Covert Channel task.

So I decided to give you three hints on the following dates:
6.9.2018: 15:30
7.9.2018: 15:30
8.9.2018: 15:30


So here is the first hint:
3 out of 4 channels are... Weiterlesen

Hi everybody,

there has been a request to give some hints on the Covert Channel task.

So I decided to give you three hints on the following dates:
6.9.2018: 15:30
7.9.2018: 15:30
8.9.2018: 15:30


So here is the first hint:
3 out of 4 channels are sending text as their payload

 

Cheers,
Joshua

15.05.2018

LSF Signup

Please sign up for the course in the LSF. The deadline for registration (and unregistration) is set to next week Wednesday, May 23rd.

 

07.05.2018

Exercise 1: Due date

Hi everyone,

There has been a typo on the current exercise sheet (which has been corrected).

The first exercise sheet is due on May 15th 11:59PM.

 

05.05.2018

Exercise Sheet #1: Server fixed

Hi all (again),

the server for Exercise Sheet #1 is (or should be) fixed now. If you encounter any problems, write me an email. The server still runs on all 3 ports (1337, 1338, 1339), so if one doesn't work, you can try another.

Have a nice weekend and good... Weiterlesen

Hi all (again),

the server for Exercise Sheet #1 is (or should be) fixed now. If you encounter any problems, write me an email. The server still runs on all 3 ports (1337, 1338, 1339), so if one doesn't work, you can try another.

Have a nice weekend and good luck with the exercises,
Frederik

P.S.: It wasn't explicitly written on the exercise sheet, but the service is for verification only. Please do not try to brute-force the passwords or dictionaries (I keep logs now!). All the information you need is on the exercise sheet and somewhere online. If you have problems, contact me with a (detailed) description of what you tried so far.

05.05.2018

Alternative servers for Exercise Sheet #1

Hi all,

due to the troubles with the server for Exercise Sheet #1 I have set up two alternative connections. You can use

nc pulsar.die-sinlosen.de 1338
nc pulsar.die-sinlosen.de 1339

It seems that the server is only accessible by one team/person at a... Weiterlesen

Hi all,

due to the troubles with the server for Exercise Sheet #1 I have set up two alternative connections. You can use

nc pulsar.die-sinlosen.de 1338
nc pulsar.die-sinlosen.de 1339

It seems that the server is only accessible by one team/person at a time. While I'm trying to sort this out, please be patient and try one of the alternatives or wait a few minutes if the connection hangs.

Sorry for the trouble
Frederik

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