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For the last 12 years, SANS/Counterhack offers a hacking challenge over the Christmas period. It is a great event, fun and with an increasing level of difficulty which lets everyone having a go.
This year, The 2015 SANS Holiday Hack Challenge was built around a great 8-bit retro web gaming platform where you had to run around a virtual town to find the various hacking challenges.
The plot was centered around a fictitious toy, a gnome, that everyone wanted to have in their home for Christmas. However, two kids found the toy was "behaving" strangely and something was going on.
Through the challenge you will learn that the gnomes had in fact a hidden built-in camera and were transmitting photos to 5 super gnomes (servers) by connecting to free surrounding WIFI netwo...
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{elysiumsecurity} 
Cyber Protection & Response
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Challenges News (6 Posts)
The 2015 SANS Holiday Hack Challenge Write-Up
Hackfu2015 Challenge 7 - Solution
This is part of my write up from the Hackfu 2015 Security Challenge.
The third and last challenge I solved was surprisingly very easy, but there might have been more to it...
The instructions given were:
Below is how I solved that challenge:
We first run the following command to see all the printable/ASCII strings from the binary.
> strings shipbinary
Below is an extract of the most interesting result from the above command.
Enter Decryption Code:
burnthelandandboilthesea
Code Accepted.
Establishing Connection to Planet Abaddon...
out.txt
123.123.123.1 -c 1 | tail -1| awk '{print $4}' | cut -d '/' -f 2
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Hackfu2015 Challenge 5 - Solution
This is part of my write up from the Hackfu 2015 Security Challenge..
The second challenge I solved was in fact quite easy because I solved a similar one for the SANS Summer challenge in 2014 (where it took me much longer to solve the first time I came across this type of steganography!)
The instructions given were:
Below is how I solved that challenge:
But, If you load the file in a windows software such as Sonic Visualizer, add a layer to show a Spectrogram ...
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Hackfu Challenge 2015 - Solution for Challenge 1
MWR ran a Security Challenge last April, unfortunately I only found out about it 3 days before the dead line! I still managed to solve 3 out of the 7 challenges and really enjoyed them.
The first challenge was especially interesting, as I like cryptography. This was a tough one!!!
The instructions given were
That's pretty much it! Below is how I solve this challenge and cracked the code:
I used information on PocketRC4 f...
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SANS Brochure Challenge Write-Up
Last Summer SANS organised a security/hacking challenge through 4 of their brochures, each brochure had an “easy” challenge in the form of a hidden message to de-cipher to get a URL to the second level of each of the 4 challenges.
Below is a brief explanation of the steps I took for the main technical challenges:
1. Challenge 1, level 2: Alice’s encrypted file for Bob
First you need to load the pcap file provided for that question into Wireshark, two type of traffic should catch your attention: some HTTP and SMB traffic. Doing a quick search (CTRL-F) for the string Bob in the “packet bytes” will get you to Frame 669, which is a web chat over HTTP where Alice mentions to someone that she needs to send a file to Bob and R...
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A job at GCHQ?
If you ever wanted to work for a UK secret intelligence organisation, GCHQ, they are running a contest until the 11th of December, where you need to decipher some code to get a password. Once submitted, that password will redirect you to their recruitment website.
The password is probably “ifyoudon’twanttoworkforuswewillfindyou”…
If you fancy your chances, here is the site:http://www.canyoucrackit.co.uk/
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