Re[2]: All Antivirus, Trojan, Spy ware scanner, Nested file manual scan bypass bugs. [Part IV]

[3APA3A <3APA3A () SECURITY NNOV RU>]

Dear bipin gautam,

Actually  my  super  antivirus  easily  detects  eicar  in  nul.con. For
example, for c:\NUL.CON\eicar.com

try

antieicar \\.\c:\NUL.CON\eicar.com

Antiviral vendors aware about this problem, it was discussed in past.

--Saturday, October 2, 2004, 9:57:52 PM, you wrote to full-disclosure () lists netsys com:

 
> > OK.  I  just wrote new super antivirus. It's
> > databases currently consist
> > from  only  eicar.com  signature  (I'm very new in
> > this business) but it
> > 100% detects EICAR in the file with removed
> > permissions :)
> >
> > http://www.security.nnov.ru/files/antieicar.zip

> > Now, there is at least one antivirus to break your
> > statement :)


bg> good example 3APA3A to teach those software companies
bg> howto, 

bg> anyways... here is a archive, 

bg> http://www.geocities.com/visitbipin/antiPOC.zip

bg> Extract the archive by using "DEFAULT ZIP MANAGER" of
bg> windows xp. It will create a file "NULL.con" (O;
bg> within which there is a "eicar test string file". 

bg> I don't think your super AV will detect the "eicar
bg> test string file" withing "NULL.con" folder??? :)

bg> anyways... let me know HOW? when you figure out to how
bg> to delete "NULL.con" directory.



bg>  You  can  add Kaspersky 4.5x to the list of products
> > you can bypass this
> > way.  Previous  KAV  4.0  versions  (and  3.x 
> > version,  actually it was
> > F-Secure  engine)  had kernel driver and it was used
> > during manual scan,
> > probably  these version are not vulnerable. I didn't
> > saw 5.x yet, but it
> > is expected to be vulnerable too.
> >
> > F-Secure  (at  least  older  versions)  should  not
> > be vulnerable, but I
> > didn't tested.


                
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-- 
~/ZARAZA
В расчетах была ошибка.  (Лем)

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