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Steganography....help plz....

  1. #21
    aldra JIDF Controlled Opposition
    I dunno, probably not. even though I changed it I'm probably going to have to buy a new door
  2. #22
    AFJ Houston

    aldra@nadir:~/Images/stegasaurus$ tail -n1 642008.jpg

    çWž1´;·8×_®6úw7÷mÓ'’÷ëYLÜÔòzciŠnM1쎇4W9²Ï6ŸêË{¹¯í áoWsn®uS-PÿÙ[B][URL="http://xkinder5eseudi2h.onion"]http://xkinder*[/URL][/B]

    regret
    [SIZE=16px]I so Fuckin [SIZE=20px]<3[/SIZE] this post!! [/SIZE]
  3. #23
    AFJ Houston
    trying to work out where it's stored; looking at the content of the PNG it has the standard PNG header at the beginning and the IEND block like 4 bytes from the end (and no multiple instances of IEND) so it's not just appended to the file,. it's actually embedded somewhere in the PNG image structure. looks like there are a few IDAT chunks out of place, so maybe the data's hidden in there, where most viewers/readers will ignore it? it doesn't look like the image data is mangled; just some shitty artifaccts from where it was converted from a jpg, so I'd doubt it's encoded within the chunks that actually comprise the image.


    are you using an open source tool? I'd be curious to see where it's putting the hidden data.

    Yup, It's still there (I just checked) even after uploading it to imgur and them changing the name.
  4. #24
    AFJ Houston
    Aldra, did you get it?
  5. #25
    -SpectraL coward [the spuriously bluish-lilac bushman]

    NTFS Hidden Metadata Folders
    • $BadClus
    • $BadClus:$Bad
    • $BitMap
    • $Boot
    • $LogFile
    • $Mft
    • $MftMirr
    • $Secure
    • $UpCase
    • $Volume
    • $Extend
    • $Extend\$Reparse
    • $Extend\$ObjId
    • $Extend\$UsnJrnl
    • $Extend\$UsnJrnl:$Max
    • $Extend\$Quota
  6. #26
    AFJ Houston
    NTFS Hidden Metadata Folders
    • $BadClus
    • $BadClus:$Bad
    • $BitMap
    • $Boot
    • $LogFile
    • $Mft
    • $MftMirr
    • $Secure
    • $UpCase
    • $Volume
    • $Extend
    • $Extend\$Reparse
    • $Extend\$ObjId
    • $Extend\$UsnJrnl
    • $Extend\$UsnJrnl:$Max
    • $Extend\$Quota


    You're an idiot.
  7. #27
    -SpectraL coward [the spuriously bluish-lilac bushman]
    You're an idiot.

    C'mon, now.
  8. #28
    -SpectraL coward [the spuriously bluish-lilac bushman]
    [h=3]Alternate data streams (ADS)[/h] Alternate data streams allow more than one data stream to be associated with a filename, using the format "filename:streamname" (e.g., "text.txt:extrastream").
    NTFS Streams were introduced in Windows NT 3.1, to enable Services for Macintosh (SFM) to store resource forks. Although current versions of Windows Server no longer include SFM, third-party Apple Filing Protocol (AFP) products (such as GroupLogic's ExtremeZ-IP) still use this feature of the file system. Very small ADS (called Zone.Identifier) are added by Internet Explorer and recently by other browsers to mark files downloaded from external sites as possibly unsafe to run; the local shell would then require user confirmation before opening them.[21] When the user indicates that they no longer want this confirmation dialog, this ADS is deleted.
    Alternate streams are not listed in Windows Explorer, and their size is not included in the file's size. When the file is copied or moved to another file system without ADS support the user is warned that alternate data streams cannot be preserved. No such warning is typically provided if the file is attached to an e-mail, or uploaded to a website. Thus, using alternate streams for critical data may cause problems. Microsoft provides a tool called Streams[22] to view streams on a selected volume. Starting with Windows PowerShell 3.0, it is possible to manage ADS natively with seven cmdlets: Add-Content, Clear-Content, Get-Content, Get-Item, Out-String, Remove-Item, Set-Content.[23]
    Malware has used alternate data streams to hide code.[24] As a result, malware scanners and other special tools now check for alternate data streams.
  9. #29
    aldra JIDF Controlled Opposition
    ADS has been deprecated for a while now
  10. #30
    -SpectraL coward [the spuriously bluish-lilac bushman]
    ADS has been deprecated for a while now

    Just because it's old makes it totally useless. Well, back to the old drawing board.

  11. #31
    AFJ Houston
    Just because it's old makes it totally useless. Well, back to the old drawing board.
    Your drawing board is totally useless, because its old.
  12. #32
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    Le mercredi 10 Février 2016 à 00:25 par jamesdocs7

  13. #33
    AFJ Houston
    Hopefully Sophie will be able to confirm the things here in this thread soon.

    That there is indeed a pic hidden inside.
  14. #34
    -SpectraL coward [the spuriously bluish-lilac bushman]
    Your drawing board is totally useless, because its old.

    Open your mind to the possibities. They are endless. Think outside the box and they will never even see it coming.

    tl/dr: You don't scare me.

  15. #35
    AFJ Houston
    I was just reiterating, what you said. :D

    Just because it's [SIZE=14px]old makes it totally useless[/SIZE]. Well, back to the [SIZE=14px]old drawing board[/SIZE].
  16. #36
    -SpectraL coward [the spuriously bluish-lilac bushman]
    You kids today sicken me.
  17. #37
    Sophie Pedophile Tech Support
    Hopefully Sophie will be able to confirm the things here in this thread soon.

    That there is indeed a pic hidden inside.

    Imgur compresses the data by some scheme, unless i know the compression mechanism i probably won't be able to get much out of it. Maybe your program automatically recognizes any sort of compression mechanism and restores the data to it's old state. That being said, i haven't done a lot of work as far as stegano is concerned so while i'll do my best to be of assistance, to get really in depth about the subject you'll probably want to do some research on your own.

    Here are some good places to start. Just sign up for an account, it only takes a minute and you'll have have access to all their articles and videos about the subject. Also if you're interested in this sort of thing and/or computer science in general there are a couple of resources i'd like to recommend to you, all high quality and free of course.

    https://www.cybrary.it/video/steganography/

    https://www.cybrary.it/0p3n/steganography-and-cryptography-to-bypass-censorship-in-third-world-countries/
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