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 Forum index » Archive » Archive: The Haunted Apiary (Let Op!) » The Haunted Apiary (Let Op!): Puzzles
[PUZZLE? ILB.com:] Stegged pictures?
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mmdoogie
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Joined: 28 Jul 2004
Posts: 91
Location: Huntsville, AL

I couldn't find the rules.ini documentation online anywhere,
but here is a copy from the distribution package I downloaded.

http://www.ardmore.net/~mmdoogie/RULES

Hope this helps.

--mrm

PostPosted: Wed Jul 28, 2004 9:49 pm
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Paul_G
Boot

Joined: 28 Jul 2004
Posts: 23
Location: Jacksonville FL

halofan wrote:

1) How do you find hidden info in the pictures? I'm using Mozila Firefox and I've tried readin the source code, but doesn't work for that...


For steganographic content, you need stegdetect: http://www.outguess.org/download.php
For the embedded text found so far, we just opened the jpg's in notepad.

halofan wrote:

2) How would I be able to access the data in these stegged files you are talking about, and how do I know if each one is stegged or not?

See above.

halofan wrote:

Oley Oley Oxen Free


Tried previously (also as "olly olly oxen free", whic appears to be the traditional spelling). Failed.

halofan wrote:

and did you try using Aunt M's Cat's Name? That might work....or the names of the bees listed on the site?


Tried previously. Failed.
_________________
I'm not a real codebreaker, but I play one on TV.

PostPosted: Wed Jul 28, 2004 10:15 pm
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TheDude
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Joined: 27 Jul 2004
Posts: 16

How about using the words in the myth jpg that can't be copied and pasted. Also what are the chances they took the image from somewhere and it was stegged at that point, before they had it???

PostPosted: Wed Jul 28, 2004 10:16 pm
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subatomicsatan
Boot

Joined: 26 Jul 2004
Posts: 34
Location: in the space above the period at the end of this sentence.

outguess

i have been playing around with outguess on bee2_margaretphoto.jpg and need some advice from those more familiar with the tool than i am.

i tried a number of different test keys which always resulted in an error:

Quote:

jrg% outguess -k "hide and go seek" -r ../bee2_margaretphoto.jpg hidden.txt
Reading ../bee2_margaretphoto.jpg....
Extracting usable bits: 8773 bits
Steg retrieve: seed: 8405, len: 40843
Extracted datalen is too long: 40843 > 1097


i tried a number of different keys all resulting in a similar error and nothing being written out to hidden.txt...unitl i tried this:

Quote:

jrg% outguess -k "surviveevaderevealescape" -r ../bee2_margaretphoto.jpg hidden.txt
Reading ../bee2_margaretphoto.jpg....
Extracting usable bits: 8773 bits
Steg retrieve: seed: 50751, len: 520


and hidden.txt now contains "information", but it appears binary.

anyone care to try surviveevaderevealescape with other methods like stegdetect (i've been unable to get stegdetect to compile on os x)?

james

PostPosted: Thu Jul 29, 2004 12:10 am
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Paul_G
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Joined: 28 Jul 2004
Posts: 23
Location: Jacksonville FL

For those curious, after many many runs with SNOW, I can find NO traces of any SNOW stego. Looks like a dead end, so I'm leaving it alone for now.

Also, for future reference, steno using SNOW seems fairly easy to detect by eyeball, since the program does not seem to randomly disperse the whitespaces around. The program appends spaces to each line (it never prepends), starting at the first and working down. You'll know that a text file has SNOW stego because there will be a large number of whitespace characters after the first x lines (highlight all of the text [ctrl+a in windows] to make spaces visible), but no additional spaces on any line after the last one with extra spaces.
_________________
I'm not a real codebreaker, but I play one on TV.

PostPosted: Thu Jul 29, 2004 12:14 am
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subatomicsatan
Boot

Joined: 26 Jul 2004
Posts: 34
Location: in the space above the period at the end of this sentence.

Re: outguess

subatomicsatan wrote:

and hidden.txt now contains "information", but it appears binary.


oh, yeah, the file contains no recognizable words when viewed in a text editor (bbedit).

james

PostPosted: Thu Jul 29, 2004 12:16 am
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Paul_G
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Joined: 28 Jul 2004
Posts: 23
Location: Jacksonville FL

Re: outguess

subatomicsatan wrote:

anyone care to try surviveevaderevealescape with other methods like stegdetect (i've been unable to get stegdetect to compile on os x)?


No luck with stegbreak. Returns negative. I had already tried many variations of this, but removing the spaces was worth a shot.
_________________
I'm not a real codebreaker, but I play one on TV.

PostPosted: Thu Jul 29, 2004 12:18 am
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inio
Decorated


Joined: 24 Jul 2004
Posts: 163
Location: Santa Cruz, CA

Tried a sample on 338 images I had locally. 14 showed signs of a message (mostly 1- and 2-* jphide, one *** outguess) and 4 were skipped. That puts the false positive rate at around 2%.

PostPosted: Thu Jul 29, 2004 1:13 am
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inio
Decorated


Joined: 24 Jul 2004
Posts: 163
Location: Santa Cruz, CA

Re: outguess

subatomicsatan wrote:
(i've been unable to get stegdetect to compile on os x)?


You need to do two things:

1. replace the magic.inc file in the 'file' directory with the one attached
2. modify the makefile, removing -static from the only rule that has it (static binding doesn't work in a mach environment).

btw, changing all the makefiles over to use -O3 -fast didn't make much difference (2-3% gain at best). I get about 6.2k c/s per 1.8Ghz G5, so I split the rules in half and run two in parallel.

PostPosted: Thu Jul 29, 2004 1:16 am
Last edited by inio on Thu Jul 29, 2004 1:35 am; edited 1 time in total
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Dysfunction
Guest


Ok I put the bee2_margaretphoto in WordPad because i was bored and I found some more words.. This is probably a trout so forgive me if it is..

I found

bodies of her subjects, while the Queen's

peeled skin from the

PostPosted: Thu Jul 29, 2004 1:20 am
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TheDude
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Joined: 27 Jul 2004
Posts: 16

Yeah we've already gone through all the images with notepad... steg is something different

PostPosted: Thu Jul 29, 2004 2:13 am
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Roc
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Joined: 27 Jul 2004
Posts: 81

mmdoogie: awesome, just what I was looking for.
Oh, and I ran through with all the above suggestions in my dictionary and I got nothing from jpseek. FYI.

Going forward, it's pretty clear we're going to have to guess the passphrase. And to do that, perhaps we need to determine who steg'd the image, and what might be inside. These might give us the clues to crack it.

The images were corrupted by The Narrator (of the Widow's Journey).
The pages were corrupted by the SPDR, and the Operator.
killer.jpg was corrupted by [Flea|Queen|Widow|Princess]
ladybee777 was rerouted by the SPDR, and emails there were being answered through killer.jpg

So what remains hidden at this point?

PostPosted: Thu Jul 29, 2004 9:29 am
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Roc
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Joined: 27 Jul 2004
Posts: 81

and on another line of thinking: what will it take to convince us this is a false positive?

When the medium metastasizes, and spreads to other sites (common spec), if none of those sites report steg'd images, would that be enough?

If all four of the main characters are revealed to definitively use other modes of communication, (emails, html, etc) -- would that be enough?

or will we be plugging away at this thing come hell or highwater? (or Aug 24th?)

PostPosted: Thu Jul 29, 2004 9:32 am
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Paul_G
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Joined: 28 Jul 2004
Posts: 23
Location: Jacksonville FL

Roc wrote:
and on another line of thinking: what will it take to convince us this is a false positive?


I'm not convinced either way yet. I'm still waiting to hear something back from Dana. The problem with a dead end is that you don't know it's a dead end until you actually get to the end of the road. For now, I'm satisfied that we're not going to be able to crack it with dictionary attacks, so either

a) it's a false positive

or

b) we haven't been given (or haven't found) the information needed to extract the data.

Until something new comes up, we'd probably be better served expending our energy elsewhere.
_________________
I'm not a real codebreaker, but I play one on TV.

PostPosted: Thu Jul 29, 2004 9:44 am
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inio
Decorated


Joined: 24 Jul 2004
Posts: 163
Location: Santa Cruz, CA

Paul_G wrote:
I'm still waiting to hear something back from Dana.

I doubt you will. At this point she's on a plane to, or backpacking in, China.

PostPosted: Thu Jul 29, 2004 11:38 am
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