7MS #420: Tales of Internal Pentest Pwnage - Part 17
7 Minute Security26 Juni 2020

7MS #420: Tales of Internal Pentest Pwnage - Part 17

Today's episode is a fun tale of pentest pwnage! Interestingly, to me this pentest had a ton of time-sponging issues on the front end, but the TTDA (Time to Domain Admin) was maybe my fastest ever.

I had to actually roll a fresh Kali VM to upload to the customer site, and I learned (the hard way) to make that VM disk as lean as possible. I got away with a 15 gig drive, and the OS+tools+updates took up about 12 gig.

One of the biggest lessons I learned from this experience is to make sure that not only is your Kali box updated before you take it to a customer site (see this script), but you should make sure you install all the tool dependencies beforehand as well (specifically, Eyewitness, Impacket and MITM6).

This pentest was also extremely time-boxed, so I tried to get as much bang out of it as possible. This included:

  • Capturing hashes with Responder
  • Checking for "Kerberoastable" accounts (GetUserSPNs.py -request -dc-ip x.x.x.x domain/user)
  • Check for MS14-025 (see this article)
  • Check for MS17-010 (nmap -Pn -p445 --open --max-hostgroup 3 --script smb-vuln-ms17-010 192.168.0.0/24 -oA vulnerable-2-eblue) and try this method of exploiting it
  • Check for DNS zone transfer (dnsrecon -d name.of.fqdn -t axf)
  • Test for egress filtering of ports 1-1024
  • Took a backup of AD "the Microsoft way" and then cracked with secretsdump:

sudo python ./secretsdump.py -ntds /loot/Active\ Directory/ntds.dit -system /loot/registry/SYSTEM -hashes lmhash:nthash LOCAL -outputfile /loot/ad-pw-dump

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7MS #727: Securing Your Mental Health – Part 7

7MS #727: Securing Your Mental Health – Part 7

Hello friends! It's been over a year since we did a dedicated mental health episode, so today I'm doing a big catch-up and running through my 7-point plan for being a more mentally secure me. None of ...

19 Juni 21min

7MS #726: Baby's First Hermes

7MS #726: Baby's First Hermes

Hello friends! I've been on a bit of an AI agent journey lately, and today I'm sharing my experience ditching OpenClaw and going all-in on Hermes — a self-hosted AI agent built by Nous Research. A Net...

12 Juni 22min

7MS #725: Building a Bulletproof Backup Solution

7MS #725: Building a Bulletproof Backup Solution

Hey friends! Backups are not as cool as pentesting, but boy do they matter when things go sideways. This week I'm sharing how a Proxmox backup disk space meltdown led me to a completely overhauled — a...

5 Juni 21min

7MS #724: Tales of Pentest Pwnage - Part 85

7MS #724: Tales of Pentest Pwnage - Part 85

Hey friends! Today we're going deep on external network pentesting — something I realize we've barely touched in however many episodes we've done. I'm currently in a long stretch of back-to-back exter...

29 Maj 30min

7MS #723: CARTP - Cloud Red Team Tactics for Attacking and Defending Azure - Part 1

7MS #723: CARTP - Cloud Red Team Tactics for Attacking and Defending Azure - Part 1

Hello friends! Today's a hybrid episode — some security content up top about a new certification I've kicked off, followed by an aggressively quick trip to Tangent Town. Feel free to bail after the se...

23 Maj 32min

7MS #722: I Turned My Phone Into a Brick

7MS #722: I Turned My Phone Into a Brick

Hey friends! Quasi-vacation week over here, so today's episode is lighter and more personal: just a story about how I turned my phone into a "brick" (kind of) and what that's done for my mental health...

15 Maj 23min

7MS #721: Fun Professional and Personal AI Project Ideas – Part 2

7MS #721: Fun Professional and Personal AI Project Ideas – Part 2

Hello friends! Picking up the AI-automation series from a couple weeks back — here's another batch of scripts and integrations that have been giving me precious minutes (and sanity) back. Yes, I had t...

8 Maj 25min

7MS #720: Tales of Pentest Pwnage – Part 84

7MS #720: Tales of Pentest Pwnage – Part 84

Hey friends! Today's another Tales of Pentest Pwnage! Quick tangent first on a couple side projects: I've got a music thing at quack.house (like the duck noise, not the drug) and a podcast with my dan...

1 Maj 43min

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