Hi,
Is there a way for VB5 to determine exactly where on a hard drive a .exe
file is stored upon the .exe file's first copying to the hard drive? What I
need to know is the exact hard drive sector, cluster, partition, etc.
information so I can use it later on to determine if the file was ever
deleted and restored or moved elsewhere.
Thank you.
-----
Odie
16  9523 
> Is there a way for VB5 to determine exactly where on a hard drive a .exe file is stored upon the .exe file's first copying to the hard drive? What
I need to know is the exact hard drive sector, cluster, partition, etc.
information so I can use it later on to determine if the file was ever
deleted and restored or moved elsewhere.
Do you mean "moved" like in what happens when a person regularly defragments
his/her hard drive?
Rick
Yes - or deletes the file, then recreates it due to reinstallation. I want
to be able to see if a person has reinstalled a file by seeing if the .exe
has actually been put in a different place on the hard drive.
--
-----
Odie
"Rick Rothstein" <ri************ @NOSPAMcomcast. net> wrote in message
news:89******** ************@co mcast.com... Is there a way for VB5 to determine exactly where on a hard drive a .exe
file is stored upon the .exe file's first copying to the hard drive? What
I need to know is the exact hard drive sector, cluster, partition, etc.
information so I can use it later on to determine if the file was ever
deleted and restored or moved elsewhere.
Do you mean "moved" like in what happens when a person regularly
defragments his/her hard drive?
Rick
"Otie" <ot*********@ad elphia.net> wrote in message
news:XI******** *************** *******@adelphi a.com... Yes - or deletes the file, then recreates it due to reinstallation. I want
to be able to see if a person has reinstalled a file by seeing if the .exe
has actually been put in a different place on the hard drive.
No.. that would be TWO ENTIRELY different events.
What Rick asked was data being moved due to defrag not delete or
reinstall. If you want to detect delete and reinstall wouldn't
checking the time and date be th easiest approach?
For the defrag, that gets tricky since you will need to get the file
alocation table info.
>> What Rick asked was data being moved due to defrag not delete or
reinstall.
No, not defrag. If you want to detect delete and reinstall wouldn't
checking the time and date be the easiest approach?
It is not secure. Anyone can change the date and time back to whatever
again.
For the defrag, that gets tricky since you will need to get the file
alocation table info.
I think that's what I want. How do I access the FAT info? The system has to
do it in order to find files in the first place. I just don't know if VB can
do it.
-----
Allen
Free astrology software at:
http://www.astrowin.org
"Raoul Watson" <Wa*****@Intell igenCIA.com> wrote in message
news:sklWf.1094 $Lc1.386@trndny 02...
"Otie" <ot*********@ad elphia.net> wrote in message
news:XI******** *************** *******@adelphi a.com... Yes - or deletes the file, then recreates it due to reinstallation. I
want
to be able to see if a person has reinstalled a file by seeing if the
.exe
has actually been put in a different place on the hard drive.
No.. that would be TWO ENTIRELY different events.
What Rick asked was data being moved due to defrag not delete or
reinstall. If you want to detect delete and reinstall wouldn't
checking the time and date be th easiest approach?
For the defrag, that gets tricky since you will need to get the file
alocation table info.
"Otie" <ot*********@ad elphia.net> wrote in message
news:Sp******** *************** *******@adelphi a.com... What Rick asked was data being moved due to defrag not delete or reinstall.
No, not defrag.
For the defrag, that gets tricky since you will need to get the file
alocation table info.
I think that's what I want. How do I access the FAT info? The system has to do
it in order to find files in the first place. I just don't know if VB can do
it.
The point about defrag is that users who run defrag on their disk will be moving
your file around on the disk, so you can't rely on it's physical location
staying constant.
VB can call any Windows API, so just about anything is possible in VB if you are
willing to chase it down.
But where are you planning to store the information about the file's original
physical location? In the registry? What if the registry entry gets deleted, say
by a good registry cleaner program after uninstalling the program? Or maybe in
another file that can also be deleted?
Are you prepared to deal with network drives, both mapped and shared; with
backup and restore programs; with anti-virus programs that may move a file in
the course of removing a virus; etc., etc. This approach to software security
has been tried before, and found to be lacking...
On Thu, 30 Mar 2006 21:11:30 -0800, "Otie" <ot*********@ad elphia.net>
wrote: What Rick asked was data being moved due to defrag not delete orreinstall.
No, not defrag.
If you want to detect delete and reinstall wouldn'tchecking the time and date be the easiest approach?
It is not secure. Anyone can change the date and time back to whatever
again.
For the defrag, that gets tricky since you will need to get the file alocation table info.
I think that's what I want. How do I access the FAT info? The system has to
do it in order to find files in the first place. I just don't know if VB can
do it.
What about drives that do not have a FAT format ?
"Otie" <ot*********@ad elphia.net> wrote in message
news:Sp******** *************** *******@adelphi a.com...
... If you want to detect delete and reinstall wouldn't checking the time and date be the easiest approach?
It is not secure. Anyone can change the date and time back to whatever
again.
Not true..Depends on the approach..
OK, assume you have two registry keys, "installed" and "last used"
"last used" is always written when the file is accessed.
If it is accessed for the first time, "installed' is written as well.
All you have to do is compare "last used" to "installed. "
If less, someone copied the file to another PC.
For the defrag, that gets tricky since you will need to get the file
alocation table info.
I think that's what I want. How do I access the FAT info? The system has
to do it in order to find files in the first place. I just don't know if VB
can do it.
You don't want to do this. FAT is not the only system of data recording and
defrag moves your files around (and so does a legitimate backup system)
>> OK, assume you have two registry keys, "installed" and "last used"
"last used" is always written when the file is accessed.
If it is accessed for the first time, "installed' is written as well. All you have to do is compare "last used" to "installed. "
If less, someone copied the file to another PC.
Can't someone just change the installed date using regedit?
What good is this approach if either date can be changed?
Otis
----------------
"Raoul Watson" <Wa*****@Intell igenCIA.com> wrote in message
news:DSlXf.821$ lz3.109@trndny0 5...
"Otie" <ot*********@ad elphia.net> wrote in message
news:Sp******** *************** *******@adelphi a.com...
.. >> If you want to detect delete and reinstall wouldn't
checking the time and date be the easiest approach?
It is not secure. Anyone can change the date and time back to whatever
again.
Not true..Depends on the approach..
OK, assume you have two registry keys, "installed" and "last used"
"last used" is always written when the file is accessed.
If it is accessed for the first time, "installed' is written as well.
All you have to do is compare "last used" to "installed. "
If less, someone copied the file to another PC.
>> For the defrag, that gets tricky since you will need to get the file
alocation table info.
I think that's what I want. How do I access the FAT info? The system has
to do it in order to find files in the first place. I just don't know if VB
can do it.
You don't want to do this. FAT is not the only system of data recording
and
defrag moves your files around (and so does a legitimate backup system)
"Otie" <ot*********@ad elphia.net> wrote in message
news:qY******** *************** *******@adelphi a.com... OK, assume you have two registry keys, "installed" and "last used" "last used" is always written when the file is accessed.
If it is accessed for the first time, "installed' is written as well.
All you have to do is compare "last used" to "installed. "
If less, someone copied the file to another PC.
Can't someone just change the installed date using regedit?
What good is this approach if either date can be changed?
What you're saying doesn't make sense because in order to do this,
one has to know *where* --or what key among the thousands..
It doesn't matter what technique you use, one can always disable
the code which does the checking. So using your attitude, one
can always say "what good is this method?" Just find the code
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