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

Avsnitt(683)

7MS #547: Tales of Pentest Pwnage - Part 43

7MS #547: Tales of Pentest Pwnage - Part 43

This podcast is sponsored by Arctic Wolf, whose Concierge Security teams Monitor, Detect and Respond to Cyber threats 24/7 for thousands of customers around the world. Arctic Wolf. Redefining cybersecurity. Visit Arcticwolf.com/7MS to learn more. Today we're talking about tales of pentest pwnage - specifically how much fun printers can be to get Active Directory creds. TLDL: get into a printer interface, adjust the LDAP lookup IP to be your Kali box, run nc -lvp 389 on your Kali box, and then "test" the credentials via the printer interface in order to (potentially) capture an Active Directory cred! Today we also define an achievement that's fun to unlock called DDAD: Double Domain Admin Dance.

18 Nov 202242min

7MS #546: Securing Your Mental Health - Part 3

7MS #546: Securing Your Mental Health - Part 3

This podcast is sponsored by Arctic Wolf, whose Concierge Security teams Monitor, Detect and Respond to Cyber threats 24/7 for thousands of customers around the world. Arctic Wolf. Redefining cybersecurity. Visit Arcticwolf.com/7MS to learn more. Today we're talking about securing your mental health! I share some behind-the-scenes info about my own mental health challenges, and share a great tip a counselor gave me for getting into a good headspace before heading into a difficult conversation/situation.

11 Nov 202239min

7MS #545: First Impressions of Snipe-IT

7MS #545: First Impressions of Snipe-IT

Today’s episode of the 7 Minute Security podcast is brought to you by Blumira, which provides easy-to-use automated detection and response that can be set up in…well..about 7 minutes. Detect and resolve security threats faster, and prevent breaches. Try it free today at blumira.com/7ms. Hey friends, today we're giving you a first impressions look at a free easy asset management tool called Snipe-IT you can use to build your inventory with! Why is this important? Because it's the first critical security control! It might help to see this tool in action, so we invite you to check out our recent Twitch stream where we got it up and running in about 45 minutes.

4 Nov 202240min

7MS #544: Interview with Nato Riley of Blumira

7MS #544: Interview with Nato Riley of Blumira

Today’s episode is brought to us by Blumira, which provides easy to use, automated detection and response that can be setup in…well…about 7 minutes! Detect and resolve security threats faster and prevent breaches. Try it free today at blumira.com/7ms! Today we have a really fun interview with Nato Riley of Blumira. He cut his IT/security teeth working for a cell phone company, exorcising malware demons out of workstations, and even building an email-based SIEM. He has had a very cool career path that involves embracing newbness, pushing aside imposter syndrome, and even begging for jobs! I think this interview can best be summed up by a direct quote from Nato: "Things absolutely go wrong, and I think that's what deters people from trying. But just because something goes wrong, doesn't mean you're necessarily going to die from it. So why not try?"

28 Okt 202258min

7MS #543: How to Succeed in Business Without Really Crying - Part 12

7MS #543: How to Succeed in Business Without Really Crying - Part 12

This podcast is sponsored by Arctic Wolf, whose Concierge Security teams Monitor, Detect and Respond to Cyber threats 24/7 for thousands of customers around the world. Arctic Wolf. Redefining cybersecurity. Visit Arcticwolf.com/7MS to learn more. Hey friends! Today we talk about a SoSaaS (Spreadsheet on Steroids as a Service...not a real thing) that is helping 7MinSec be more organized - both from a project standpoint and from an "alert us when important things are due!" standpoint.

21 Okt 20221h

7MS #542: Eating the Security Dog Food - Part 5

7MS #542: Eating the Security Dog Food - Part 5

This podcast is sponsored by Arctic Wolf, whose Concierge Security teams Monitor, Detect and Respond to Cyber threats 24/7 for thousands of customers around the world. Arctic Wolf. Redefining cybersecurity. Visit Arcticwolf.com/7MS to learn more. In today's episode we talk more about eating the security dog food (following the best practices we preach!). Specifically, we focus on keeping that bloated email inbox a little more lean and mean. There are lots of tools/services to help with this, but we had a blast playing with MailStore (not a sponsor but we'd like them to be:-).

14 Okt 202228min

7MS #541: Tales of Blue Team Bliss - Part 2

7MS #541: Tales of Blue Team Bliss - Part 2

SafePass.me is the only enterprise solution to protect organizations against credential stuffing and password spraying attacks. Visit SafePass.me for more details, and tell them 7 Minute Security sent you to get a 10% discount! Today we talk about configuring your Active Directory with MFA protection thanks to AuthLite. In the tangent department, we give you a short, non-spoilery review of the film Smile.

7 Okt 202235min

7MS #540: Tales of Blue Team Bliss

7MS #540: Tales of Blue Team Bliss

Today we're excited to kick off a new series all about blue team bliss - in other words, we're talking about pentest stories where the blue team controls kicked our butt a little bit! Topics include: The ms-ds-machineaccount-quota value is not an "all or nothing" option! Check out Computer Configuration > Policies > Windows Settings > Security Settings > Local Policies > User Rights Assignment > Add workstations to domain. We installed LAPS on Twitch last week and it went pretty well! We'll do it again in an upcoming livestream. Defensive security tools that can interrupt the SharpHound collection! EDRs are pretty awesome at catching bad stuff - and going into full "shields up" mode when they're irritated!

30 Sep 202258min

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