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Thread: Scanning windows from linux

  1. #21
    karthikbalaguru
    Guest

    Re: Scanning windows from linux

    On Dec 29, 6:04*am, Aragorn <arag...@chatfactory.invalid> wrote:
    > On Monday 28 December 2009 19:09 in comp.os.linux.setup, somebody
    >
    >
    >
    >
    >
    > identifying as karthikbalaguru wrote...
    > > On Dec 28, 9:35*am, Aragorn <arag...@chatfactory.invalid> wrote:

    >
    > >> On Monday 28 December 2009 05:20 in comp.os.linux.setup, somebody
    > >> identifying as karthikbalaguru wrote...

    >
    > >> > On Dec 28, 4:00*am, Aragorn <arag...@chatfactory.invalid> wrote:

    >
    > >> >> If USB boot is supported on the target machine, then there are
    > >> >> various tools in various distributions for making a bootable USB
    > >> >> stick from which you could then scan the system, but none of those
    > >> >> USB-based distributions would then be designated virus scanners,
    > >> >> so you would probably have to add the antivirus software to the
    > >> >> USB stick manually. It can be done, but it's quite a bit of work.

    >
    > >> > This sounds great . This will surely be helpful :-) :-)
    > >> > I think, this approach can be tried out. I need to check for the
    > >> > USB- based Free distributions and need to check for the method to
    > >> > add the Free antivirus software to the USB stick.

    >
    > >> Mandriva is a distribution which is available on a USB stick, and
    > >> there are some others as well.

    >
    > > I checked Mandriva website, yeah they
    > > are providing on USB stick based linux, and since
    > > it is a full fledged linux, i think the virus scanners
    > > might be supported without much hassles !
    > > But it is not free :-(

    >
    > Of course not - last thing I heard nobody was giving away USB sticks for
    > free yet. ;-)
    >
    > > Lemme know if there is any other USB Stick
    > > based linux flavour that is available for Free ?

    >
    > You are not going to find one, since USB sticks cost money. *Most
    > distributions do however have the necessary tools for creating a
    > USB-stick-based GNU/Linux distribution, and some may even have
    > preconfigured and automated utilities to do such a thing for you.
    >
    > > Also, lemme know if there is a USB stick
    > > based linux flavour that would support virus
    > > scanners ?

    >
    > Google is your friend.
    >
    > > No clear info from internet so far.

    >
    > Then you didn't look well enough. ;-)
    >


    I got few links, but not exact info.
    I think the below link is one of the good
    input to start for USB stick based linux flavour.
    http://www.linux.com/distrocentral/d...h-disk-distros

    But, it does not clearly convey the method of
    addition of new softwares/applications to USB
    stick based linux.

    I assume that i need to set up the
    network/internet and download the application/
    software of interest(anti-virus, etc ) once the
    linux boots up from the USB stick and occupies
    the RAM.

    Another possible method could be to add the
    software/application to a particular folder in USB
    Stick so that it gets added into a directory from
    where it could be executed to get installed once the
    ubuntu gets booted off the USB stick and occupies
    the RAM.

    For setting up ubuntu in USB stick -
    http://www.pendrivelinux.com/usb-x-ubuntu-610/

    Setting up ubuntu in USB stick from Live CD -
    http://www.techbuzz.in/installation-...he-live-cd.php

    Incase of ubuntu,
    http://www.pendrivelinux.com/usb-ubu...ibbon-install/
    I think, after the below step, the application/software
    can be copied into the USB folder itself.
    ' Download UBconvert.zip and extract the
    files to the USB folder '
    But, not sure. Any ideas ?

    Any trick for adding the application/software
    so that the application comes by default when it gets
    booted up from the USB Stick instead of adding
    it everytime ? That is , it need not be installed
    once the linux gets booted up from the USB stick ?

    Still searching for information w.r.t this. Lemme
    know if you got some information regarding this.

    > >> As I gather, the cost is not too high, but
    > >> alternatively, you can do it yourself using a freely downloadable
    > >> distribution and a USB memory stick you already own. *There are
    > >> HowTos about it on the web. ;-)

    >
    > > Thinking on similar lines, i got an idea to try a
    > > Floppy based linux instead of USB.

    >
    > Well, good luck with that then. *The 2.6 kernel doesn't even fit on a
    > floppy anymore, so you'd be stuck with an old kernel, which may not
    > support all of your hardware. *For instance, I don't even know whether
    > 2.4 supports SATA hard disks.
    >
    > > I know of MiniRTL(based on busybox) that did
    > > not have dependency on HDD except for the RAM
    > > (Even the RAM requirement is very minimal).
    > > Other than that, there are other flavours like
    > > 'Tomsrtbt', Asmutils based 'a-Linux' and various
    > > other Busybox based flavours. But,they are all
    > > Floppy based.

    >
    > If they are floppy-based, then they will certainly not hold any decent
    > antivirus software, given the size of such software suits.
    >
    > > But, floppy drive is not available in that machine :-(

    >
    > Then why even consider it? ;-)
    >
    > > Does tomsrtbt support USB stick based boot up ?

    >
    > That is not what it was designed for, but in theory, you should be able
    > to make a bootable USB stick with the contents of that CD, yes. *On the
    > other hand, you'd be far better off with a more complete distribution,
    > e.g. Knoppix.
    >
    > > I may check with the tomsrtbt user list regd this.
    > > Incase you have any information w.r.t tomsrtbt
    > > you can lemme know.

    >
    > I can't really help you with that. *I've only used it once or twice, in
    > order to detect hardware errors on one of my machines.
    >
    > > Another query that pops in my mind is
    > > that these minimal versions/flavours of linux
    > > might not have lot of features. They might be greatly
    > > stripped and hence not sure if they would be able to
    > > provide all required support for virus scanner or similar
    > > tools !!
    > > Any thoughts on this ?

    >
    > Yes, that is what I wrote higher up already. *You'd be far better off
    > with a "real" distro. *There are several live-CD based distros, and
    > other distros allow you to make a live-CD with a few simple
    > mouseclicks, or a bootable USB stick. *Look here and see whether you
    > can find something to your liking:
    >
    > * * * *http://www.distrowatch.com
    >


    Nice link !
    This link would be of great help to me. It is fantastic.
    Your response has been very helpful !!

    > > Incase these minimal versions are not suitable
    > > for existing along with virus scanning utility in
    > > the USB stick, do lemme know.

    >
    > They will probably not have such scanners "on board", so you'd have to
    > add them yourself. *The simpler the base you start from, the more work
    > you'll have at producing a bootable USB stick with a working distro
    > *and* a virus scanner.
    >


    Thx in advans,
    Karthik Balaguru

  2. #22
    karthikbalaguru
    Guest

    Re: Scanning windows from linux

    On Dec 29, 5:05*am, G <geoffstempbox-use...@yahoo.com> wrote:
    > In article <80080394-814b-40b1-9b50-
    > dda474105...@q2g2000yqd.googlegroups.com>, karthikbalagur...@gmail.com
    > says...
    >
    >
    >
    >
    >
    >
    >
    > > On Dec 28, 4:00*am, Aragorn <arag...@chatfactory.invalid> wrote:
    > > > On Sunday 27 December 2009 22:01 in comp.os.linux.setup, somebody

    >
    > > > identifying as karthikbalaguru wrote...
    > > > > On Dec 27, 11:59*pm, Aragorn <arag...@chatfactory.invalid> wrote:

    >
    > > > >> On Sunday 27 December 2009 14:34 in comp.os.linux.setup, somebody
    > > > >> identifying as karthikbalaguru wrote...
    > > > >> > I am looking for a Linux-based application that could scan
    > > > >> > computers by accessing them via network. (Especially the
    > > > >> > systems(windows based systems) that cannot be booted).

    >
    > > > >> How on earth are you going to access a computer _which_ _cannot_ _be_
    > > > >> _booted_ over the network? *A network connection which shares
    > > > >> filesystems over the network for scanning requires at least a minimal
    > > > >> running operating system on the target machine.

    >
    > > > > Yes, it is a valid question. I am exploring various ways.

    >
    > > > > The problem is, one of the infected windows machine's CD/DVD
    > > > > drive does not work . So, i was exploring alternate ways like
    > > > > using rescue CD remotely/remote techniques from a remote machine
    > > > > that has a CD/DVD drive (though i was aware of the chances
    > > > > of its availability was very less).
    > > > > Any ideas ?
    > > > > For example, in linux there is a 'kickstart installation' technique
    > > > > that will enable automated installation of Red Hat Linux on
    > > > > indivdual computers based on the answers in the file in the
    > > > > server. Similarly, is it not possible to boot windows remotely
    > > > > so that rescue CD can be used on similar lines to recover it ?

    >
    > > > I suppose you could try a PXE boot, but the BIOS has to support it, and
    > > > Windows has to support it as well. *On the latter, I have no
    > > > knowledge - I don't do Windows, sorry - so you would have to ask about
    > > > that in a Windows group, or via the Microsoft Knowledge Base.

    >
    > > > > One thought is to dis-connect the non-working CD/DVD drive
    > > > > and connect a working CD/DVD drive temporarily to fix this
    > > > > issue. But, that is ruled out due to various reasons.

    >
    > > > At the moment it seems like you have no alternative.

    >
    > > > > Is there no other way except for replacing the CD/DVD
    > > > > drive in that windows machine and trying with the rescue CD ?
    > > > > No way to avoid the replacement of CD/DVD drive ?

    >
    > > > Not that I can think of, unless you've got some external USB storage
    > > > device that the system can boot from - again, this is BIOS-dependent.

    >
    > > > If USB boot is supported on the target machine, then there are various
    > > > tools in various distributions for making a bootable USB stick from
    > > > which you could then scan the system, but none of those USB-based
    > > > distributions would then be designated virus scanners, so you would
    > > > probably have to add the antivirus software to the USB stick manually..
    > > > It can be done, but it's quite a bit of work.

    >
    > > This sounds great . This will surely be helpful :-) :-)
    > > I think, this approach can be tried out. I need to check for the USB-
    > > based
    > > Free distributions and need to check for the method to add the Free
    > > antivirus software to the USB stick. Can you lemme know the
    > > steps/links that talk in detail about this ?

    >
    > > > On the other hand, you should be able to pick up a cheap second-hand
    > > > internal CD or DVD drive somewhere and mount it in the machine with the
    > > > broken CD player.

    >
    > > Yeah, this is another good idea, but in the current scenario, this is
    > > ruled
    > > out due to various reasons.

    >
    > > Thx in advans,
    > > Karthik Balaguru

    >
    > I've been partial to Fedora for a long time. So here's one for you to
    > check out.
    >
    > https://fedorahosted.org/liveusb-cre...d_use_Live_USB
    >
    > I've never used, but have heard many good impressions of DSL.
    >
    > http://www.damnsmalllinux.org/
    >
    > And here's a little more info.
    >
    > http://www.linux-live.org/- Hide quoted text -
    >


    Thanks for the links. They are really helpful.
    Looks interesting. I will check these.

    Karthik Balaguru


  3. #23
    Aragorn
    Guest

    Re: Scanning windows from linux

    On Tuesday 29 December 2009 04:41 in comp.os.linux.setup, somebody
    identifying as karthikbalaguru wrote...

    > On Dec 29, 6:04*am, Aragorn <arag...@chatfactory.invalid> wrote:
    >
    >> On Monday 28 December 2009 19:09 in comp.os.linux.setup, somebody
    >> identifying as karthikbalaguru wrote...
    >>

    > I assume that i need to set up the
    > network/internet and download the application/
    > software of interest(anti-virus, etc ) once the
    > linux boots up from the USB stick and occupies
    > the RAM.


    That is correct.

    > Another possible method could be to add the
    > software/application to a particular folder in USB
    > Stick so that it gets added into a directory from
    > where it could be executed to get installed once the
    > ubuntu gets booted off the USB stick and occupies
    > the RAM.


    There are several methods for doing this, but if you're going to save it
    on a separate partition on the USB stick - as opposed to making it part
    of the boot image - then I recommend formatting that partition with a
    UNIX-style filesystem, i.e. ext2/3, reiserfs, XFS or JFS, but not with
    FAT32, as that does not honor the UNIX permissions and file ownerships.

    > Any trick for adding the application/software
    > so that the application comes by default when it gets
    > booted up from the USB Stick instead of adding
    > it everytime ? That is , it need not be installed
    > once the linux gets booted up from the USB stick ?


    Either use an ext2/3 or similar filesystem on the USB stick and save it
    to that, or add it to the boot image from which the GNU/Linux system
    boots up from the stick. If push comes to shove, you can temporarily
    save the downloaded files to a /tmpfs/ - i.e. a temporary filesystem in
    RAM while you are fiddling with the USB stick.

    >> http://www.distrowatch.com

    >
    > Nice link !
    > This link would be of great help to me. It is fantastic.
    > Your response has been very helpful !!


    That link is known to just about every GNU/Linux user. ;-) As you
    didn't seem to know about it yet until I mentioned it here, you're
    probably not a real GNU/Linux user... :p

    --
    *Aragorn*
    (registered GNU/Linux user #223157)

  4. #24
    Mark Hobley
    Guest

    Re: Scanning windows from linux

    karthikbalaguru <karthikbalaguru79@gmail.com> wrote:

    > Or, should we need to add clamav by setting
    > up the network/internet once the ubuntu is up from the
    > USB stick ?


    Right, you need to add clamav, after you have built the stick, but this is
    very straightforward. The penstick will be updated to reflect changes as
    packages are added or removed. (It works justs like a regular installation).

    I've got some notes on the creation of the bootable pendrive somewhere. I will
    try and dig them out for you.

    Mark.

    --
    Mark Hobley
    Linux User: #370818 http://markhobley.yi.org/


  5. #25
    goarilla
    Guest

    Re: Scanning windows from linux

    On Mon, 28 Dec 2009 00:00:53 +0100, Aragorn wrote:

    > On Sunday 27 December 2009 22:01 in comp.os.linux.setup, somebody
    > identifying as karthikbalaguru wrote...
    >
    >> On Dec 27, 11:59*pm, Aragorn <arag...@chatfactory.invalid> wrote:
    >>
    >>> On Sunday 27 December 2009 14:34 in comp.os.linux.setup, somebody
    >>> identifying as karthikbalaguru wrote...
    >>> > I am looking for a Linux-based application that could scan computers
    >>> > by accessing them via network. (Especially the systems(windows based
    >>> > systems) that cannot be booted).
    >>>
    >>> How on earth are you going to access a computer _which_ _cannot_ _be_
    >>> _booted_ over the network? *A network connection which shares
    >>> filesystems over the network for scanning requires at least a minimal
    >>> running operating system on the target machine.

    >>
    >> Yes, it is a valid question. I am exploring various ways.
    >>
    >> The problem is, one of the infected windows machine's CD/DVD drive does
    >> not work . So, i was exploring alternate ways like using rescue CD
    >> remotely/remote techniques from a remote machine that has a CD/DVD
    >> drive (though i was aware of the chances of its availability was very
    >> less).
    >> Any ideas ?
    >> For example, in linux there is a 'kickstart installation' technique
    >> that will enable automated installation of Red Hat Linux on indivdual
    >> computers based on the answers in the file in the server. Similarly, is
    >> it not possible to boot windows remotely so that rescue CD can be used
    >> on similar lines to recover it ?

    >
    > I suppose you could try a PXE boot, but the BIOS has to support it, and
    > Windows has to support it as well.


    huh why does windows need to support it ? you just
    boot your favorite live cd with PXE boot (BIOS feature), mount the
    filesystems and scan with whatever you want:

    clamav, ...

    personally i also use a few vm's with avast home free, mcafee and
    other virus scanners and get it to scan with virtualbox shared folders
    feature.

    you need the cpu cycles tho for that
    but a lot of my time is (invested|lost) in taking an infected
    machine's hd and scanning it on my system like that (i dont use
    windows either).

    then i take the suspected files and run them through virustotal
    if possible (obviously infected pagefiles or hiberfiles are
    just gonna get deleted).

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