Meterpreter Scripts

Meterpreter script – rogueap.rb – Abusing Windows Virtual Wireless NIC Feature

by on Oct.08, 2011, under Meterpreter Scripts, Posts

I found myself inspired by Vivek Ramachandran‘s videos, I thought I would take the honor in creating the simple meterpreter script that basically does what you see in the third installation of the Swse Addendum videos.

When I watched the third video I thought to myself, “This shouldn’t be too difficult to do”. From my perception, I think that Vivek was kind of hinting that he might have wanted to see someone in the info-sec community create a meterpreter script that does what you see in this video. I was glad to do this. 🙂

For penetration testers, this script means that they can now more easily setup rogue wireless access points by utilizing this script, that utilizes the soft ap feature that is implemented into Windows 7 and Windows 2008.

If the victim computers are part of a Windows domain and have wireless NICs, by automating Metasploit with a pass-the-hash attack and using my script, one could essentially automate deploying a series of rogue ap points throughout a domain. This would be kind of like a network worm.

If you’re curious about automating Metasploit, please see:

My script gives the end user the option if they want to install the meterpreter service on the victim computer. I thought that giving this option would be ideal for if the victim computer ends up rebooting. If you were just to deploy the soft AP and run a binding payload, the binding payload most likely wouldn’t survive a reboot.

The script is available here:

If you have any issues and you need help, feel free to contact me. Additionally, don’t hesitate to modify the script if you need/want to do so.

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Meterpreter script – deploy_nmap.rb

by on Aug.08, 2011, under Code, Meterpreter Scripts, Posts

Using a ‘trusted’ host that you have compromised as leverage during a pentest, is nearly always advantageous. I personally believe that the steps of pentesting change in a sense, once you have a session on a computer in an internal network from an external computer.

I would revert back to reconnaissance (depending on the circumstances), since the point of view has changed. The hijacked host is “your man on the inside”, and what a better way to give the ‘man on the inside’ some ‘eyes’ by deploying and using nmap!

One means of using nmap through the compromised host includes:

1.) Deploying an openssh server on the victim machine

2.) Setting up an account

3.) Reversing an ssh session like so: ssh -R 2222:localhost:22

4.) Then you would connect back to the victim using a socks5 proxy: ssh -D 9050 victimaccount@localhost -p 2222

5.) Lastly, you would use nmap and proxychains from the attacker’s host to scan hosts internally through a tunnel between you and the victim machine.

Keep in mind that the Metasploit framework has an auxiliary module “auxiliary/scanner/portscan”, which you can use but let me be quite frank, it doesn’t compare to what is known as the ‘king of all port scanners’ nmap. (No offense Metasploit crew.)

This is why I programmed a meterpreter script that downloads the latest stable version of nmap from and then deploys nmap onto the victim’s machine. You could then use the victim’s machine to do vulnerability scanning with nmap’s scripting engine. (i.e. nmap –script=smb-check-vulns).

The script has a removal feature that will uninstall nmap and winpcap from the victim’s machine. Please e-mail me or comment if you have any questions, concerns or problems with the script.

NOTE: On versions of Microsoft Windows that use the UAC service, you will most likely need to disable or circumvent this service to successfully deploy nmap.  Luckily there is a module with the Metasploit framework that will help you (post/windows/escalate/bypassuac).

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Meterpreter script – stickykeys.rb

by on Jul.18, 2011, under Code, Meterpreter Scripts, Posts

Through the past year or so, I’ve had some ideas for meterpreter scripts floating around in my head that I’ve been meaning to put to use. So this is my first unofficial meterpreter script for the Metasploit Framework.

The purpose of this script is to place a backdoor onto a Windows victim system. What it simply does is, copy cmd.exe over to sethc.exe. The sethc.exe program is the sticky keys program. To activate this program you just have to hit the shift key 5 times and sethc.exe will be executed.

While this can be useful for those who are disabled, there is also an abuse for this feature. If you have copied cmd.exe over to sethc.exe, you can then hit shift 5 times and be provided a shell.

If you’re at a log on prompt and if you have this backdoor placed, when you activate sethc.exe (instead of logging in) you get a shell with SYSTEM level privileges!

This may seem trivial, however if you’re doing a penetration test on a remote Windows system that is running remote desktop, this can be a deadly means for maintaining access. You can then use this as pivoting your way back into the system, even if the original means (say for instance http) is blocked by an IPS and/or firewall.

One truly beautiful facet about this method if you’re an attacker, is that cmd.exe renamed as sethc.exe did not trigger any responses from scanners on

I’m planning on adding more to this script, but I just wanted to get this released for the time being. I also want to state that I just put this idea to use for the Metasploit project, this hack has been around for a while:

To install this, simply download the txt file, then change the extension to .rb and throw this file in the framework3/msf3/scripts/meterpreter/ directory.

#Update 7/20/2011

Issue Addressed: Switched all C:\\WINDOWS to %SYSTEMROOT% (Thanks Rod Macpherson )
BUG: On Nokia N900 with Ruby 1.8.7 (arm-linux-eabi), with Metasploit Framework version: svn r13268, I am receiving a compile error message at line 70. (Unexpected ‘)’ )
NOTE: I am not having this issue on Backtrack 5 32bit with Ruby 1.9.2dev (i686-linux)

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