Discussion:
Announcing the release of Anti-Steganography (AntiSteg v1.00)
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seconserv
2008-10-25 16:00:54 UTC
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Announcing the release of Anti-Steganography (AntiSteg v1.00):

antisteg100.zip AntiSteg 1.00: Anti-Steganography

AntiSteg is a command line tool for cleaning images of potentially
harmful
steganographical content. Many popular image formats (especially those
used
on the Web) are handled by the tool.

Steganography is a means by which information is hidden inside of
images
(often via high-encryption algorithms), making them completely
invisible to
all standard image viewers. Stegged images can carry extremely harmful
payloads,
which include, but are not limited to:

Child pornography
Viruses, Trojans, Spyware, Spamware, and other Malware
Sensitive personal/corporate Data

AntiSteg does not attempt to extract the actual hidden data, but
simply antistegs
the content, making it impossible to be retrieved at a later point in
time.
This approach allows it to quickly clean a computer, even if 100,000s
of images
are stored on it. In contrast, trying to desteg just one image which
uses a high
encryption encoding (256 bit or higher), and a properly selected
password is
computationally nearly infeasible.

Since the amount of images stored on the Web approaches staggering
numbers
(anywhere from 100s of billions to trillions), the possibility to
successfully
store and trade/sell child pornography, distribute viruses, or
exchange sensitive
information is very high. Even worse, anybody who operates a web site
(personal
or corporate) that contains images, may unwittingly be helping
pedophiles,
black-hat hackers, or data spies in their operations. Of course, the
same holds
true for any e-mail attachment, or MMS being sent!

Currently available antivirus, antispyware, and antimalware tools do
NOT address
this problem!
Companies that allow image specific searches - like Google - do
NOTHING to prevent
stegged images from being spread via their services!

Special requirements: None.

Freeware. Uploaded by the author.

Security Online Services

E-Mail:
***@yahoo.com

Web:
http://geocities.com/seconserv

NewsGroups:
http://groups.google.com/group/antisteg
David H. Lipman
2008-10-25 16:02:32 UTC
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From: "seconserv" <***@yahoo.com>

Multi-Posted, Cross-Posted and repeated !

< plonk >
--
Dave
http://www.claymania.com/removal-trojan-adware.html
Multi-AV - http://www.pctipp.ch/downloads/dl/35905.asp
VanguardLH
2008-10-25 18:16:58 UTC
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Post by seconserv
antisteg100.zip AntiSteg 1.00: Anti-Steganography
AntiSteg is a command line tool for cleaning images of potentially
harmful steganographical content. Many popular image formats
(especially those used on the Web) are handled by the tool.
<snip>

No special software is required at all. The simplest method to get rid
of steggo content is to use any image viewer, especially one that has no
knowledge of or any capability to handle steggo content and convert it
to another file format. Convert .jpg to .bmp (and optionally back to
.jpg to return to the original format). Other techniques if to
recompress at a different ration, resize the image, or modify colors.
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