Re: [escepticos] Virus de Acrobat

[Elisenda Font <elisenda-roger@...>]

	Gamez:
Tu mensaaje ma ha llrgado con un máimo de tres palbras por linea de
escritura. Si cuanto escribes para "El Correo" sale publicado igual
pueden ocurrir dos cosas
a) Que los propietarios se hagan millonarios muy rapidamente por vender
páginas sin texto
b) Que te despidan a la mayor brevedad posible.
	Saludos
	 Elisenda Font
	http://www.matematicas.net
	("El Paraíso de las Matemáticas")



En/Na LAGAMEZ ha escrit:
> 
> No sé si ya se
> ha dado este
> enlace. Por si
> acaso, os lo
> mando.
> 
> http://www.cnn.
> com/2001/TEC
> H/internet/08/09
> /pdf.virus.idg/in
> dex.html
> 
> New virus
> spreads using
> Acrobat files
> 
> By Hector
> Calabia
> 
> (IDG) -- A
> worm that
> infects PDF files
> used by Adobe
> Systems'
> Acrobat
> software was
> identified
> Tuesday,
> according to
> two security
> organizations.
> 
> The worm
> appeared on
> Tuesday
> morning and has
> been analyzed
> by Bernardo
> Quinteros, head
> of the
> Madrid-based
> security firm
> HispaSec
> Sistemas and
> Richard M.
> Smith, chief
> technical officer
> of the
> U.S.-based
> Privacy
> Foundation.
> 
> "Even
> considering that
> it is a
> just-created
> laboratory virus,
> this is like a
> seed of an
> upcoming
> deluge of
> viruses of the
> same kind in
> PDF files, a
> format
> considered safe
> up to now," said
> Quinteros.
> 
> The virus is
> called
> "Outlook.pdf,"
> and it is
> considered
> "experimental,"
> with a small
> capacity to
> infect, Quinteros
> said.
> In order to
> spread itself, the
> virus uses
> Adobe Acrobat
> and functions of
> Microsoft's
> Outlook that
> have never been
> used before.
> According to
> both
> researchers, the
> worm uses
> Outlook to send
> itself hidden in a
> PDF file. When
> opened using
> Acrobat, the file
> launches a game
> that prompts the
> user to click on
> the image of a
> peach. After the
> user clicks on
> the image, a
> Visual Basic
> script is run and
> the virus gets
> activated, they
> said.
> 
> The virus
> spreads itself
> using all the
> addresses from
> the e-mails in
> any Outlook
> folder, not just
> the program's
> Address Book,
> and it will send
> itself in a PDF
> file, disguising
> itself by
> changing the
> e-mail's subject,
> body and
> attachment lines
> every time, they
> said.
> 
> The worm was
> developed by
> "Zulu," an
> Argentine
> hacker
> well-known in
> the virus
> underground as
> a prolific
> innovator. He
> also created the
> "Bubble Boy,"
> "Freelinks,"
> "The Fly,"
> "Monopoly,"
> and
> "Life_Stages"
> viruses,
> according to
> Quinteros.
> 
> Zulu created it
> as a "proof of
> concept," to
> prove that
> Adobe Acrobat
> files can be virus
> carriers, and it
> has not been
> optimized for
> mass
> distribution,
> Quinteros said.
> The worm
> requires the
> presence of
> both Outlook
> and the full
> Acrobat
> program, not
> just the Reader,
> the free utility
> that most users
> have installed.
> 
> "There has been
> very little public
> discussion of
> Adobe Acrobat
> security issues
> as far as I can
> tell. Since PDF
> files are
> considered safe
> by Internet
> Explorer, it
> means that
> Acrobat
> security holes
> are easy to
> exploit from
> Web pages and
> HTML e-mail
> messages," the
> Privacy
> Foundation's
> Smith said in an
> e-mail exchange
> with the IDG
> News Service.
> 
> Zulu told
> Quinteros in a
> previous
> interview that he
> creates worms
> just for fun. He
> finds it an
> educational
> experience,
> does not feel
> guilty about
> doing it and his
> actions are not
> considered a
> crime under
> Argentine law
> yet. The worms
> written by Zulu
> do not usually
> carry a
> dangerous
> payload by
> themselves,
> although they
> can be adapted
> and made
> malicious by
> others,
> according to
> Quinteros.
> 
> 
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