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- Posted on
January 20, 2006, 1:06 am
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Re: Is there a new virus that disguises its intent with .jpg extension?
Relevant articles about the WMF exploit:
Bottom line: the Windows graphics engine goes by magic bytes, not file
extensions like everything else in the Windows world, and so an exploit
could reasonably arrive as any image file extension normally handled by
This includes .gif, .jpg, .png, .bmp, .tiff, etc. Any WMF image with
any of these extensions will be recognized and treated as .wmf images
quite happily by Windows, and an exploit will be very happily executed
without further user action on an unpatched system.
Don Thornton II, Support Technician, SDC Internet
don(AT)sdc.org - http://www.sdc.org /
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