7MS #390: Tales of Internal Network Pentest Pwnage - Part 11
7 Minute Security6 Joulu 2019

7MS #390: Tales of Internal Network Pentest Pwnage - Part 11

Today's episode is brought to you by ITProTV. It’s never too late to start a new career in IT or move up the ladder, and ITProTV has you covered - from CompTIA and Cisco to EC-Council and VMWare. Get over 65 hours of IT training for free by visiting https://itpro.tv/7minute.

Today's episode is a twofer. That's right, two tales of internal network pentest pwnage. Whoop whoop! We cover:

  • What the SDAD (Single Domain Admin Dance) and DDAD (Double Domain Admin Dance) are (spoiler: imagine your dad trying to dance cool...it's like that, but more awkward)

  • A good way to quickly find domain controllers in your environment: nslookup -type=SRV _ldap._tcp.dc._msdcs.YOURDOMAIN.SUFFIX

  • This handy script runs nmap against subnets, then Eyewitness, then emails the results to you

  • Early in the engagement I'd highly recommend checking for Kerberoastable accounts

  • I really like Multirelay to help me pass hashes, like:

MultiRelay.py -t 1.2.3.4 -u bob.admin Administrator yourmoms.admin

  • Once you get a shell, run dump to dump hashes!

  • Then, use CME to pass that hash around the network!

crackmapexec smb 192.168.0.0/24 -u Administrator -H YOUR-HASH-GOES-HERE --local auth

  • Then, check out this article to use NPS and get a full-featured shell on your targets

Jaksot(682)

7MS #675: Pentesting GOAD – Part 2

7MS #675: Pentesting GOAD – Part 2

Hey friends! Today Joe “The Machine” Skeen and I tackled GOAD (Game of Active Directory) again – this time covering: SQL link abuse between two domains Forging inter-realm TGTs to conquer the coveted sevenkingdoms.local! Join us next month when we aim to overtake essos.local, which will make us rulers over all realms!

16 Touko 31min

7MS #674: Tales of Pentest Pwnage – Part 71

7MS #674: Tales of Pentest Pwnage – Part 71

Today’s tale of pentest pwnage is another great one!  We talk about: The SPNless RBCD attack (covered in more detail in this episode) Importance of looking at all “branches” of outbound permissions that your user has in BloodHound This devilishly effective MSOL-account-stealing PowerShell script (obfuscate it first!) A personal update on my frustration with ringing in my ears

9 Touko 49min

7MS #673: ProxmoxRox

7MS #673: ProxmoxRox

Today we’re excited to release ProxmoxRox – a repo of info and scripts to help you quickly spin up Ubuntu and Windows VMs.  Also, some important news items: 7MinSec.club in-person meeting is happening Wednesday, May 14!  More details here. We did our second Tuesday TOOLSday this week and showed you some local privesc techniques when you have local admin on an endpoint

3 Touko 30min

7MS #672: Tales of Pentest Pwnage – Part 70

7MS #672: Tales of Pentest Pwnage – Part 70

Today’s a fun tale of pentest pwnage where we leveraged a WinRM service ticket in combination with the shadow credentials attack, then connected to an important system using evil-winrm and make our getaway with some privileged Kerberos TGTs!  I also share an (intentionally) vague story about a personal struggle I could use your thoughts/prayers/vibes with.

25 Huhti 55min

7MS #671: Pentesting GOAD

7MS #671: Pentesting GOAD

Hello! This week Joe “The Machine” Skeen and I kicked off a series all about pentesting GOAD (Game of Active Directory).  In part one we covered: Checking for null session enumeration on domain controllers Enumerating systems with and without SMB signing Scraping AD user account descriptions Capturing hashes using Responder Cracking hashes with Hashcat

18 Huhti 25min

7MS #670: Adventures in Self-Hosting Security Services

7MS #670: Adventures in Self-Hosting Security Services

Hi friends, today I’m kicking off a series talking about the good/bad/ugly of hosting security services. Today I talk specifically about transfer.zip. By self-hosting your own instance of transfer.zip, you can send and receive HUGE files that are end-to-end encrypted using WebRTC.  Sweet!  I also supplemented today’s episode with a short live video over at 7MinSec.club.

11 Huhti 36min

7MS #669: What I’m Working on This Week – Part 3

7MS #669: What I’m Working on This Week – Part 3

Hi friends, in this edition of what I’m working on this week: 3 pulse-pounding pentests that had…problems Something I’m calling the unshadow/reshadow credentials attack Heads-up on a new video experiment I’m going to try next week

4 Huhti 42min

7MS #668: Tales of Pentest Pwnage – Part 69

7MS #668: Tales of Pentest Pwnage – Part 69

Hola friends! Today’s tale of pentest pwnage talks about abusing Exchange and the Azure ADSync account! Links to the discussed things: adconnectdump – for all your ADSync account dumping needs! Adam Chester PowerShell script to dump MSOL service account dacledit.py (part of Impacket) to give myself full write privileges on the MSOL sync account: dacledit.py -action ‘write’ -rights ‘FullControl’ -principal lowpriv -target MSOL-SYNC-ACCOUNT -dc-ip 1.2.3.4 domain.com/EXCHANGEBOX$ -k -no-pass Looking to tighten up your Exchange permissions – check out this crazy detailed post

28 Maalis 30min

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