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Re: Listing hide files via ftp
From: Tremaine Lea <pen-test () ddiction com>
Date: Sun, 18 Mar 2007 18:01:27 -0600


On 15-Mar-07, at 1:35 AM, carlopmart wrote:
carlopmart {at} gmail {d0t} com
Are you doing this from the server administration side, or logged into an ftp server?
I am doing this logged into a ftp server


Ah, you are looking to see a listing of hidden files or regular files that your user isn't permitted to see? In that case you are actually looking for an exploit for the ftp server, the server itself, or to exploit a user account that has elevated permissions.




Details:



[carlos () nazgul iso-images]$ ftp ftp.server.com
Connected to ftp.server.com (1.1.1.1).
220 ACME Technologies Inc.
Name (ftp.server.com:carlos): anonymous
331 Anonymous login ok, send your complete email address as your password.
Password:
230 Anonymous access granted, restrictions apply.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls -la
227 Entering Passive Mode (1,1,1,1,209,98)
150 Opening ASCII mode data connection for file list
drwxr-xr-x   5 root     root         4096 Dec 28 19:38 .
drwxr-xr-x   5 root     root         4096 Dec 28 19:38 ..
-rw-r--r--   1 sgreen   sgreen        304 Feb 15 22:13 .bash_logout
-rw-r--r--   1 sgreen   sgreen        191 Feb 15 22:13 .bash_profile
-rw-r--r--   1 sgreen   sgreen        124 Feb 15 22:13 .bashrc
-rw-r--r--   1 sgreen   sgreen        383 Feb 15 22:13 .emacs
-rw-r--r--   1 sgreen   sgreen        120 Feb 15 22:13 .gtkrc
drwxr-xr-x   3 sgreen   sgreen       4096 Jun 20  2006 .kde
-rw-r--r--   1 sgreen   sgreen        658 Feb 15 22:13 .zshrc
drwxrwx-wt 267 ftp      ftp         12288 Mar 14 21:15 download
lrwxrwxrwx   1 ftp      ftp             8 Jun 14  2006 pub -> download
drwxrwx-wx 205 support  support     77824 Mar 15 06:30 upload
226 Transfer complete.
ftp> cd download
250 CWD command successful
ftp> ls -la
227 Entering Passive Mode (216,228,148,15,223,76)
150 Opening ASCII mode data connection for file list
226 Transfer complete.
ftp> ls -Al
227 Entering Passive Mode (216,228,148,15,224,175)
150 Opening ASCII mode data connection for file list
226 Transfer complete.
ftp>

As you can see on this screen, I can list root directories but not contents on subdirectories, but on this subdirectories exists files ...


Cheers,
Tremaine Lea
Network Security Consultant



Actually what I see is that you can see both directories and hidden files. The files that begin with a dot are normally hidden from view when doing a directory listing. What this means in this particular case is that either you don't have permission to see files/ directories of that type in the download directory, or that no such files exist there for you to see.

Tremaine

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