Hacking in both senses
The other day I reread my post about a fake exploit and noticed another string in the shell code that doesn't run. I had a good idea what would happen, but stuck "take a closer look when I've got time" on my mental to do list.
Last night I got a message from fellow Cyber security challenge competitor Nick Bloor who'd thought the same thing and did some excellent analysis. I'd recommend reading his write up.
Cheers Nick!
To coincide with the London Conference on Cyberspace Cyber Security Challenge dropped another cipher puzzle.
It all kicked off with a tweet which lead to a page on the Foreign and Commonwealth Office
So the big standy outy thing is the image
with it's massive binary string across the middle there. Seems like a good place ... 
Cybersecurity Challenge cipher day two of three, and we are presented with a password protected zip file.
Quick look around Ubuntu and we see the only password cracker for zips in the repos is fcrackzip. One quick apt-get latter and we're off!
Since we're supposed to break into this we should have a quick blast of ...
*Finally getting round to publishing this after writing it _months_ ago, others are in the pipeline half writen*
The first one of three ciphers was aimed at under 18's so should be a gentle ease into the world of cipher puzzling again.
We were presented with two wav files.
Listening to them we see that they're ...
