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Want to be a spy?
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May 25, 2013, 07:28:51 AM
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Want to be a spy?
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alan
Newbie
Offline
Posts: 48
Want to be a spy?
«
on:
December 01, 2011, 12:14:26 PM »
GCHQ are apparently looking to hire computer experts and have created a challenge. It doesn't look easy, but take a punt!
http://www.canyoucrackit.co.uk/
Logged
eth3real
Sr. Member
Offline
Posts: 309
Re: Want to be a spy?
«
Reply #1 on:
December 01, 2011, 12:52:11 PM »
As a marketing technique, it is amazingly effective for their target audience. I'm so intrigued, I know I'm going to take a crack at it before time runs out.
Thanks for this, I love puzzles.
Logged
Put that in your pipe and grep it!
YuckTheFankees
Sr. Member
Offline
Posts: 324
Re: Want to be a spy?
«
Reply #2 on:
December 01, 2011, 01:12:55 PM »
what are we looking for? A word or sentence?
Logged
OSCP in progress
hurtl0cker
Jr. Member
Offline
Posts: 73
Re: Want to be a spy?
«
Reply #3 on:
December 01, 2011, 01:28:32 PM »
One of my friend who deals with Algorithms and stuff cleared it, I am still scratching my head on it
Logged
“Knowing is not enough; we must apply. Willing is not enough: we must do.”
- Bruce Lee
hayabusa
Hero Member
Offline
Posts: 1633
Re: Want to be a spy?
«
Reply #4 on:
December 01, 2011, 03:28:07 PM »
I haven't looked closely, but a prelim glance at the source of the page would indicate 16 characters or less...
Logged
~ hayabusa ~
"All men can see these tactics whereby I conquer, but what none can see is the strategy out of which victory is evolved." - Sun Tzu, 'The Art of War'
OSCE, OSCP , GPEN, C|EH
3xban
Hero Member
Offline
Posts: 608
Re: Want to be a spy?
«
Reply #5 on:
December 02, 2011, 09:18:30 AM »
**SPOILER ALERT*** ha, Mubix tweeted the following link
http://www.canyoucrackit.co.uk/soyoudidit.asp
#CodeBreakingIsHard
:p
Logged
Certs: GCWN
(@)Dewser
lorddicranius
Sr. Member
Offline
Posts: 447
Re: Want to be a spy?
«
Reply #6 on:
December 02, 2011, 10:22:51 AM »
Quote from: 3xban on December 02, 2011, 09:18:30 AM
**SPOILER ALERT*** ha, Mubix tweeted the following link
http://www.canyoucrackit.co.uk/soyoudidit.asp
#CodeBreakingIsHard
:p
lol Maybe get a job in their web security department to flush out logic flaws?
Logged
GSEC, eCPPT, Sec+
millwalll
Guest
Re: Want to be a spy?
«
Reply #7 on:
December 02, 2011, 11:41:13 AM »
lol epic fail
Logged
lorddicranius
Sr. Member
Offline
Posts: 447
Re: Want to be a spy?
«
Reply #8 on:
December 04, 2011, 10:19:01 PM »
**SPOILERS**
For those looking for the solution, there's videos here explaining it:
http://gchqchallenge.blogspot.com/2011/12/gchq-stage-1-commented-assembly-code-dr.html
Logged
GSEC, eCPPT, Sec+
eth3real
Sr. Member
Offline
Posts: 309
Re: Want to be a spy?
«
Reply #9 on:
December 05, 2011, 08:06:42 PM »
Wow, those are some incredible videos. Much more involved than I had initially thought.
Logged
Put that in your pipe and grep it!
alan
Newbie
Offline
Posts: 48
Re: Want to be a spy?
«
Reply #10 on:
December 07, 2011, 01:50:06 AM »
Are you sure this is the only answer? This article suggests there may be a hidden 4th challenge!
http://www.theregister.co.uk/2011/12/06/hidden_gchq_code_breaking_challenge/
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isgillen
Newbie
Offline
Posts: 3
Re: Want to be a spy?
«
Reply #11 on:
December 14, 2011, 02:58:35 PM »
all that for £31k a year....shame
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millwalll
Guest
Re: Want to be a spy?
«
Reply #12 on:
December 15, 2011, 04:26:43 AM »
did anyone from this site have a go and crack it ?
Logged
lorddicranius
Sr. Member
Offline
Posts: 447
Re: Want to be a spy?
«
Reply #13 on:
December 15, 2011, 11:06:46 AM »
Quote
Okay, so apparently there is a buffer overflow in the GCHQ canyoucrackit binary challenge.
http://pastie.org/2999151
anyone else catch this?
Source:
https://twitter.com/#
!/d1n/status/145765165361676288
There's all kinds of security challenges in this! haha
Logged
GSEC, eCPPT, Sec+
pharmerjoe
Newbie
Offline
Posts: 14
Re: Want to be a spy?
«
Reply #14 on:
March 26, 2012, 11:00:43 AM »
You didn't even need to crack it, at the time, I just googled "site:canyoucrackit.co.uk"
And the soyoudidit page came up
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