7MS #459: Cyber News - Microsoft Exchange Makes the World Cry Edition
7 Minute Security17 Mars 2021

7MS #459: Cyber News - Microsoft Exchange Makes the World Cry Edition

Happy mid-March! Our good pal Gh0sthax joins us today for another hot dish of cyber news! Stories include:

  • Microsoft Exchange cyber attack - Hacker News has a nice what we know so far story, but things have evolved really fast, so make sure you check Microsoft's primary advisory, the script to run on local servers and newer updates such as the recent one-click remediation for unsupported Exchange versions

  • SonicWall zero day - yuck, looks like the SonicWall troubles we talked about recently were a true zero day. In contrast to the Exchange story, it looks like SonicWall's official response offers (frighteningly?) little by way of logs and forensics to tell if you were truly popped. Either way, be sure to patch!

  • Hackers attempt to contaminate Florida town's water supply - the story itself is interesting, but the way it got picked up by some outlets seems to send the message of "TeamViewer = bad" but we think the true lessons learned here are:

    • Out of date and/or unsupported OS = bad
    • Weak credentials = bad
    • Connecting this type of equipment directly to the Internet instead of MFA + VPN = bad

CISA has a great breakdown of this incident as well.

Avsnitt(703)

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 Apr 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 Apr 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 Apr 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 Mars 30min

7MS #667: Pentesting GOAD SCCM - Part 2!

7MS #667: Pentesting GOAD SCCM - Part 2!

Hey friends, our good buddy Joe "The Machine" Skeen and I are back this week with part 2 (check out part 1!) tackling GOAD SCCM again! Spoiler alert: this time we get DA! YAY! Definitely check out these handy SCCM resources to help you – whether it be in the lab or IRL (in real life): GOAD SCCM walkthrough MisconfigurationManager – tremendous resource for enumerating/attacking/privesc-ing within SCCM This gist from Adam Chester will help you decrypt SCCM creds stored in SQL

21 Mars 28min

7MS #666: Tales of Pentest Pwnage – Part 68

7MS #666: Tales of Pentest Pwnage – Part 68

Today we have a smattering of miscellaneous pentest tips to help you pwn all the stuff! Selective Snaffling with Snaffler The importance of having plenty of dropbox disk space – for redundant remote connectivity and PXE abuse! TGTs can be fun for SMB riffling, targeted Snaffling, netexec-ing and Evil-WinRMing!

14 Mars 45min

7MS #665: What I'm Working on This Week - Part 2

7MS #665: What I'm Working on This Week - Part 2

Hello there friends, I'm doing another "what I'm working on this week" episode which includes: BPATTY v1.6 release – big/cool/new content to share here PWPUSH – this looks to be an awesome way (both paid and free) to securely share files and passwords

7 Mars 28min

7MS #664: What I'm Working on This Week

7MS #664: What I'm Working on This Week

In today's episode I talk about what I'm working on this week, including: Playing with Sliver C2 and pairing it with ShellcodePack Talking about Netexecer, my upcoming tool that helps automate some of the early/boring stuff in an internal pentest A gotcha to watch out for if utilizing netexec's MSSQL upload/download functionality

28 Feb 25min

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