Re: Keeping your files invisible howto, by -Shoeshine-

oldami wrote:

>
>
> Shoeshine wrote:
>> Ah what a day, first of all I want to say hi to everyone here. I have
>> been lurking your postings for quite a while but now I have something
>> maybe of interrest my self..
>> This howto is about making a directory that can not be viewed from the
>> command line and therefor a good place to stuff your files you don't
>> wan't an intruder to your sistem to view.
>> First of all I have to note that an intruder most likely will enter your
>> box on the command line and not a GUI, this technique works perfectly in
>> that case. Here's how it goes:
>>
>>
>> blabla:# pwd
>> /root
>>
>> First of all we type 'pwd' to see what directory we are in, it shows
>> /root
>>
>> blabla:# ls
>> Desktop Mail
>>
>> To see all the files/directories we have inside the /root we write: 'ls'
>> In this exaple it only shows us 2 files. Okay now we can make an
>> invisible directory...
>>
>> blabla:# mkdir " "
>> blabla:#
>>
>> There we made an invisible directory by typing: 'mkdir " "'
>> The new directory we just have made is called ' ' and can not be seen by
>> listing the files at the propmt. Let's now try that...
>>
>> blabla:# ls
>> Desktop Mail
>>
>> True, the ' ' directory's name only consist of one blank space and
>> therefor we can not see it by listing. Now, let's change our working
>> directory to the new invisible directory...
>>
>> bblabla:# cd " "
>> blabla:/ #
>>
>> Note that we now are inside a directory, shown by / and a empty space to
>> our hash... To be sure we check the working directory by: 'pwd'
>>
>> blabla:/ # pwd
>> root
>>
>> Hooray!! ;]
>> Now lets make a dir inside this directory. Here you can stuff all your
>> files that you don't want an intruder to see. The directory is invisible
>> from the parent directory. We make a dir 'hacks'...
>>
>> blabla:/ #mkdir hacks
>> blabla:/ #
>>
>> The dir with a name 'file' is made inside the invisible directory.
>> Now we can change back to /root directory and make a: 'ls'. I think at
>> this point you get the idea so no further explanation is needed. Try your
>> self to make a directory by typing: 'mkdir " "' (yes with the "")
>> I hope you see the point of it...
>>
>>
>>
>> -Shoeshine-
>> Anyways, tnx for the much good reading found in here..
>
> Anyone familiar with how unix commands work would notice the "blank"
> file immediately, especially if they do an "ls -al", which I always do.
> Then it would only take a few minutes work to figure out the actual
> name. Also, the command "ls -alR" would list the contents of the
> "hidden" directory (as well as all the others) so I wouldn't call it
> very well hidden. This silly trick is likely to work only on *other*
> novices.
>
> If you really want to hide your files from other users on a unix system,
> use the file permissions as they were intended. Learn to use the chmod
> command (or set the default file creation mask) and you will be much
> safer.
>
> If you really want to hide something from everyone, learn to use file
> encryption.
>
> Don't take this post as a slam against you. You are definitely on the
> right track. Keep experimenting and learning. But remember, no matter
> how smart you think you are, there are a lot of people smarter than you.
> Some of them are regulars in this group. If you don't alienate them
> or outright piss them off, you might be able to learn a thing or two
> from them.
>
> -oldami
------------------------------------

Affirmative!


It was just an experiment..
I know, it's not really a security issue and that's why I deleted the
original posting. -But thanks for sharing anyways.





--

-shoeshine-
The greatest reward lies in making the discovery,
-recognition can add little or nothing to that.
.

Relevant Pages

  • Re: Keeping your files invisible howto, by -Shoeshine-
    ... >> command line and therefor a good place to stuff your files you don't ... >> wan't an intruder to your sistem to view. ... >> blabla:# pwd ... >> First of all we type 'pwd' to see what directory we are in, ...
    (alt.2600)
  • Keeping your files invisible howto, by -Shoeshine-
    ... First of all I have to note that an intruder most likely will enter your box ... blabla:# pwd ... First of all we type 'pwd' to see what directory we are in, ... To be sure we check the working directory by: ...
    (alt.2600)
  • Re: Keeping your files invisible howto, by -Shoeshine-
    ... command line and therefor a good place to stuff your files you don't wan't ... First of all I have to note that an intruder most likely will enter your box ... Desktop Mail ... listing the files at the propmt. ...
    (alt.2600)
  • Re: Keeping your files invisible howto, by -Shoeshine-
    ... command line and therefor a good place to stuff your files you don't wan't ... First of all I have to note that an intruder most likely will enter your box ... Note that we now are inside a directory, shown by / and a empty space to our ... Anyone familiar with how unix commands work would notice the "blank" file immediately, especially if they do an "ls -al", which I always do. ...
    (alt.2600)
  • Re: C executable not working from a Tcl shell
    ... prompted for any error although i specified the tcl interpreter path ... pwd is a Tcl command, as well as a shell command, like 'cd'. ... I tried to use 'ls' in the similar fashion as to 'pwd' and once again ...
    (comp.lang.tcl)