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Sunday, February 9, 2014

How to install and use Veil-Catapult in backtrack?

Today we are gonna talk about Veil-Catapult.Veil-Catapult is payload delivery for when metasploit’s psexec getting caught by AV.It utilizes Veil-Evasion to generate AV-evading binaries, impacket to upload/host the binaries, and the passing-the-hash toolkit to trigger execution.It officially supported on kali linux only.I`m going to show you how to install Veil-Catapult in backtrack?

First if you have not already installed veil-evasion framework then first install it as mentioned here.After installing Veil-evasion follow steps.

root@bt:~wget https://github.com/Veil-Framework/Veil-Catapult/archive/master.zip

root@bt:~unzip master.zip 

root@bt:~cd Veil-Catapult-master/

root@bt:~sh setup.sh

Now veil-catapult require impacket library & passing the hash toolkit.So setup script try to install PTH suite but we got error.So we have to manually do it.

Install passing the hash.


root@bt:~wget https://passing-the-hash.googlecode.com/files/wmiPTH-1.0-1.deb

root@bt:~wget https://passing-the-hash.googlecode.com/files/winexePTH1.1.0-1.deb

root@bt:~dpkg -i winexePTH1.1.0-1.deb

root@bt:~dpkg -i wmiPTH-1.0-1.deb

If you are using other OS then you have to manually build it as mentioned here .

It installed into the /opt/pth/bin folder , we have to move it into /usr/bin.

root@bt:~# ln -s /opt/pth/bin/wmis /usr/bin/pth-wmis

root@bt:~# ln -s /opt/pth/bin/winexe /usr/bin/pth-winexe

root@bt:~# ln -s /opt/pth/bin/wmic /usr/bin/pth-wmic

Installing impacket library


root@bt:~# wget http://corelabs.coresecurity.com/index.php?module=Wiki&action=attachment&type=tool&page=Impacket&file=impacket-0.9.11.tar.gz

root@bt:~# tar -xvzf impacket-0.9.11.tar.gz 

root@bt:~# cd impacket

root@bt:~# python setup.py build 

I know you have question that we can install it , but when we tried to install , it  installed succesfully ;but some of modules are missing.So we first gonna build it then copy it. Now copy folder impacket from build/lib.linux-i686-2.6/ and paste it into /usr/lib/pymodules/python2.6 

Now everything is ready ,we can run it. Before that open /etc/veil/settings.py and checkout all path.

root@bt:~/Veil-Catapult-master# python Veil-Catapult.py 

Now select number according to your choice & fill out necessary option.

Powershell injector



powershell-injector

Barebones python injector


Barebones-Python-Injection

Sethc backdoor


Reboot, hit Shift key 5 times, SYSTEM shell will pop up. Also there is script for it in metasploit.Check it out this awesome blog for more details.

EXE delivery upload 

exe-deliver

veil-catapult-exe-upload

Cleanup resource script is generated , you can use it after your work completed for kill process & remove exe.

Veil-Catapult-cleanup-script

You can also host exe using temporary SMB server.This will load the payload executable into memory without touching disk, allowing otherwise disk-detectable executable to bypass detection

Alternatives of Veil-Catapult are smbexec  and keimpx.

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