7MS #353: Tales of Internal Pentest Pwnage - Part 1
7 Minute Security22 Mars 2019

7MS #353: Tales of Internal Pentest Pwnage - Part 1

Buckle up! This is one of my favorite episodes.

Today I'm kicking off a two-part series that walks you through a narrative of a recent internal pentest I worked on. I was able to get to Domain Admin status and see the "crown jewels" data, so I thought this would be a fun and informative narrative to share. Below are some highlights of topics/tools/techniques discussed:

Building a pentest dropbox

The timing is perfect - my pal Paul (from Project7) and Dan (from PlexTrac) have a two-part Webinar series on building your own $500 DIY Pentest Lab, but the skills learned in the Webinars translate perfectly into making a pentest dropbox. Head to our webinars page for more info.

Securing a pentest dropbox

What I did with my Intel NUC pentest dropbox is build a few VMs as follows:

  • Win 10 pro management box with Bitlocker drive encryption and Splashtop (not a sponsor) which I like because it offers 2FA and an additional per-machine password/PIN. I think I spent $100/year for it.

  • Kali attack box with an encrypted drive (Kali makes this easy by offering you this option when you first install the OS).

Scoping/approaching a pentest

From what I can gather, there are (at least) two popular schools of thought as it relates to approaching a pentest:

  • From the perimeter - where you do a lot of OSINT, phish key users, gain initial access, and then find a path to privilege from there.

  • Assume compromise - assume that eventually someone will click a phishing link and give bad guys a foothold on the network, so you have the pentester bring in a Kali box, plug it into the network, and the test begins from that point.

Pentest narrative

For one of the tests I worked on, here were some successes and challenges I had along the way:

Check out the show notes at 7MS.us as there's lots more good info there!

Avsnitt(690)

7MS #121: Migrating from Tumblr to Ghost-Part 2

7MS #121: Migrating from Tumblr to Ghost-Part 2

Part 2 concludes my journey in moving 7ms.us from Tumblr to a Digital Ocean droplet running Ghost. Here are the key resources mentioned during the podcast: How to run multiple Ghost blogs on one DI VPS. The key takeaway here was that I had to upgrade to the $10 droplet (I did a "flexible" resize to add more proc/memory) and then the second instance of Ghost installed fine. Turning on CloudFlare SSL was easy. I chose flexible SSL since I wasn't using a "real" cert. I also wrote a rule to force HTTPs for all connections. And, just for grins, I turned on DNSSEC. Because...why not? :-) I picked a strong root password for my DI droplet, but I still don't like the idea of IPs banging on that connection all day and night. I followed this article on installing Fail2Ban to prevent my SSH login from being abused. There are a few IPs that I want to perma-ban, so I'm going to look throughthis article and this one which looks a tad easier. You can subscribe to the 7 Minute Security podcast here.

19 Dec 20158min

7MS #120: THE PURGE!

7MS #120: THE PURGE!

Announcing the 7MS PURGE! I've got a back log of episodes banked and I want to get caught up for the new year. So I'm going to release one (or maybe more) episodes per day between now and 2016. Plus (spoiler alerts!) in 2016 we're moving to a Monday/Wednesday/Friday release schedule. Yep, 7MS three times a week - thanks for the idea, mom! Subscribe to 7MS on iTunes here.

18 Dec 20152min

7MS #119: Migrating from Tumblr to Ghost-Part 1

7MS #119: Migrating from Tumblr to Ghost-Part 1

In this episode I talk about my adventures in moving my brianjohnson.tv Tumblr content over to a Digital Ocean hosted droplet running Ghost. I think you'll want to check this episode out, because in part 2 I talk about the challenges I faced in hosting multiple Ghost instances on one DI droplet. I will also be talking about how to enable CloudFlare SSL (for free!) as well as enabling Fail2Ban to keep annoying people/IPs from brute forcing your SSH root account!

17 Dec 20158min

7MS #118: Should Phishing be Fair?

7MS #118: Should Phishing be Fair?

This episode discusses an important and rhetorical (to me) infosec question: Should phishing campaigns be "fair?"

15 Dec 20157min

7MS #117: OFFTOPIC-Alive Inside

7MS #117: OFFTOPIC-Alive Inside

Today I talk about one of the most moving films I've ever seen - a documentary called Alive Inside.

10 Dec 20157min

7MS #116: Tips for a Succesful Vulnerability Scan

7MS #116: Tips for a Succesful Vulnerability Scan

In this episode I complain about getting stuck in NY for two days, and also how to efficiently scan for vulnerabilities when your time is crunched.

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7MS #115: OFFTOPIC-Love and Mercy

7MS #115: OFFTOPIC-Love and Mercy

We're going off-topic today and talking about the new(ish) movie about Brian Wilson's life called Love and Mercy.

4 Dec 20157min

7MS #114: PCI Pentesting 101-Part 3

7MS #114: PCI Pentesting 101-Part 3

Part 3 on my series about PCI pentesting. Yeah. That.

2 Dec 20157min

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