Cyber Security Challenge

Author
Discussion

Arese

21,020 posts

188 months

Wednesday 28th July 2010
quotequote all
dilbert said:
Stuff
That's all very well and good, but how the fk do I open this jpg? laugh

ETA: Is it something to do with PGP? Am I on the right lines?

Edited by Arese on Wednesday 28th July 17:07

dilbert

7,741 posts

232 months

Wednesday 28th July 2010
quotequote all
Arese said:
dilbert said:
Stuff
That's all very well and good, but how the fk do I open this jpg? laugh

ETA: Is it something to do with PGP? Am I on the right lines?

Edited by Arese on Wednesday 28th July 17:07
Cmon chap; The answer has already been posted. On THIS thread!
Check out the posts I *didn't* make.
smile

Arese

21,020 posts

188 months

Wednesday 28th July 2010
quotequote all
dilbert said:
Arese said:
dilbert said:
Stuff
That's all very well and good, but how the fk do I open this jpg? laugh

ETA: Is it something to do with PGP? Am I on the right lines?

Edited by Arese on Wednesday 28th July 17:07
Cmon chap; The answer has already been posted. On THIS thread!
Check out the posts I *didn't* make.
smile
paperbag Done it now. I'm browsing in a letterbox window so I miss posts sometimes!

smile

itsnotarace

4,685 posts

210 months

Wednesday 28th July 2010
quotequote all
I'm on part 4 of this now and it's getting much harder

cazzer

Original Poster:

8,883 posts

249 months

Wednesday 28th July 2010
quotequote all
Bugger....I haven't got past the Jpg yet.....but I have a hunch.

sonic_2k_uk

4,007 posts

208 months

Wednesday 28th July 2010
quotequote all
cazzer said:
Bugger....I haven't got past the Jpg yet.....but I have a hunch.
It's 4096 bit RSA - you haven't got a chance wink

itsnotarace

4,685 posts

210 months

Thursday 29th July 2010
quotequote all
cazzer said:
Bugger....I haven't got past the Jpg yet.....but I have a hunch.
Look closely at the border of the xkcd cartoon. Really closely.

cazzer

Original Poster:

8,883 posts

249 months

Thursday 29th July 2010
quotequote all
itsnotarace said:
cazzer said:
Bugger....I haven't got past the Jpg yet.....but I have a hunch.
Look closely at the border of the xkcd cartoon. Really closely.
Yeah that was my hunch....were lookin at binary there arnt we?

(Unfortunately I spent last night changing the wife's brakes)

itsnotarace

4,685 posts

210 months

Thursday 29th July 2010
quotequote all
Ya

I have uploaded the binary from the cartoon, open in your fave hex editor to read the next cipher (easy part)

http://rapidshare.com/files/409760718/csc_part2.wb...

The URL will take you to the harder part, that I'm still stuck on

Arese

21,020 posts

188 months

Thursday 29th July 2010
quotequote all
I thought it was over once you got the jpg paperbag

cazzer

Original Poster:

8,883 posts

249 months

Thursday 29th July 2010
quotequote all
Bah...want to be doing this....why does work have to get in the way smile

itsnotarace

4,685 posts

210 months

Thursday 29th July 2010
quotequote all
Finished, took me 5 hours with notepad and ASCII tables and lots of trial and error.

  1. CAUTION - SPOILER BELOW##





Congratulations! You've found and completed the REAL challenge. Your win code is cyb##########

Please email this code to our team at media@......... If you’re the first person to do so, and can prove you meet the eligibility criteria (British citizen currently resident in the UK) we will be in touch to advise how to claim your prize. well done and good luck in the Cyber Security Challenge competitions taking place throughout the rest of the year.

Only 4 days too late, oh well.

Edited by itsnotarace on Thursday 29th July 16:50

cazzer

Original Poster:

8,883 posts

249 months

Thursday 29th July 2010
quotequote all
Argh....the word "spoiler" wouldn't have gone amiss.
I took the approch of writing some code to look for patterns.
I was plumping for ASCII.
Still i'll finish the code when I get home.
well done BTW..

itsnotarace

4,685 posts

210 months

Thursday 29th July 2010
quotequote all
Sorry, added spoiler warning now