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

Jaksot(682)

7MS #683: What I'm Working on This Week - Part 4

7MS #683: What I'm Working on This Week - Part 4

This week I’m working on a mixed bag of fun security and marketing things: A pentest I’m stuck on My latest lab CTF obsession: Ninja Hacker Academy A cool “about 7MinSec” marketing video that was recorded in a pro studio!

12 Heinä 30min

7MS #682: Securing Your Family During and After a Disaster – Part 7

7MS #682: Securing Your Family During and After a Disaster – Part 7

Today’s episode is a downer! We talk about things you might want to have buttoned up for when you are eventually not alive anymore: Living will Buried vs. cremated? Funeral plans Funeral PHOTOS? I also talk about how my dad broke his ribs while trying to break a chimpmunk, and how a freak 4-wheeler accident also had my ribs in agony.

4 Heinä 30min

7MS #681: Pentesting GOAD – Part 3

7MS #681: Pentesting GOAD – Part 3

Today Joe “The Machine” Skeen and I pwn the third and final realm in the world of GOAD (Game of Active Directory): essos.local!  The way we go about it is to do a WinRM connection to our previously-pwned Kingslanding domain, coerce authentication out of MEEREEN (the DC for essos.local) and then capture/abuse the TGT with Rubeus!  Enjoy.

27 Kesä 18min

7MS #680: Tips for a Better Purple Team Experience

7MS #680: Tips for a Better Purple Team Experience

Today I share some tips on creating a better purple team experience for your customers, including: Setting up communication channels and cadence Giving a heads-up on highs/criticals during testing (not waiting until report time) Where appropriate, record videos of attacks to give them more context

20 Kesä 26min

7MS #679: Tales of Pentest Pwnage – Part 73

7MS #679: Tales of Pentest Pwnage – Part 73

In today’s tale of pentest pwnage I talk about a cool ADCS ESC3 attack – which I also did live on this week’s Tuesday TOOLSday.  I also talk about Exegol’s licensing plans (and how it might break your pentest deployments if you use ProxmoxRox).

13 Kesä 30min

7MS #678: How to Succeed in Business Without Really Crying – Part 22

7MS #678: How to Succeed in Business Without Really Crying – Part 22

Today I share some tips on presenting a wide variety of content to a wide variety of audiences, including: Knowing your audience before you touch PowerPoint Understanding your presentation physical hookups and presentation surfaces A different way to screen-share via Teams that makes resolution/smoothness way better!

6 Kesä 33min

7MS #677: That One Time I Was a Victim of a Supply Chain Attack

7MS #677: That One Time I Was a Victim of a Supply Chain Attack

Hi everybody. Today I take it easy (because my brain is friend from the short week) to tell you about the time I think my HP laptop was compromised at the factory!

30 Touko 13min

7MS #676: Tales of Pentest Pwnage – Part 72

7MS #676: Tales of Pentest Pwnage – Part 72

Today’s fun tale of pentest pwnage discuss an attack path that would, in my opinion, probably be impossible to detect…until it’s too late.

27 Touko 59min

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