7MS #477: Cobalt Strike for Newbs
7 Minute Security21 Heinä 2021

7MS #477: Cobalt Strike for Newbs

Today we're talking about Cobalt Strike for newbs - including how to get it up and running, as well as some tools that will help you generate beacons while evading EDR at the same time!

Some helpful things mentioned in today's episode:

  • Wherever you spin up your CS instance, it's probably a good idea to lock down the firewall to only specific IPs. With Digital Ocean, I found this article helpful.

  • When generating CS listeners, the C2Concealer from FortyNorth helped me get malleable C2 profiles generated while creating a LetsEncrypt cert at the same time!

  • My CS beacons kept getting gobbled by AV, but the following resources helped me get some stealthy ones generated: Artifact Kit, PEzor and ScareCrow. Here's a specific ScareCrow example that flew under the EDR radar:

Scarecrow -I myrawshellcode.bin -etw -domain www.microsoft.com

  • PowerUpSQL is awesome for finding servers where you can run stored procedures to send your attacking box a priv'd hash to pass/capture/crack. Check out this presentation on PowerUpSQL to find vulnerable targets, then use mssql_ntlm_stealer module in Metasploit to have fun with the account hashes. Be sure to set your domain when configuring the Metasploit module!

  • When trying to pop an SMB shell with relay tools, I've had problems recently with those attempts being stopped by defensive tools. Then I found this gem which talks about tweaking smbexec.py to evade AV. It worked a treat!

  • When you use MultiRelay, I had no idea that it includes an upload function so you can simply upload your beacon.exe from a SYSTEM shell and fire it right from a command line. Cool!

  • Once my beacons started firing around the pentest environment, I temporarily allowed all IPs to talk to my Digital Ocean box - just because the IP I grabbed from a "what is my IP?" Google search didn't always match the actual beacons that called home. Once the beacon connectivity was established, I tweaked the beacon firewall rules to just let certain IPs in the door.

  • This Cobalt Strike Extension Kit was FREAKING sweet for adding "right click > do awesome stuff" functionality to CS like dump hashes, search for Kerberoastable accounts, setup persistence, etc.

  • Got a SYSTEM level shell but need to abuse a DA's privs? Tell the beacon to pull back a list of running processes, then click one (like explorer.exe) running under a DA's account and then impersonate it to add your account to the DA group!

  • Having issues dumping LSASS? This article from Red Canary gives you some great ideas to do it in a way that doesn't make AV throw a fit!

  • Trying to RDP using PtH? This article will help you out. And if you get warnings about not being able to RDP in because of some sort of login restriction, try adjusting this reg key with CME:

cme smb 10.1.2.3 -u Administrator -H THE-HASH-YOU-CAPTURED -x 'reg add HKLM\System\CurrentControlSet\Control\Lsa /t REG_DWORD /v DisableRestrictedAdmin /d 0x0 /f'

Jaksot(705)

7MS #609: First Impressions of Sysreptor

7MS #609: First Impressions of Sysreptor

Hey friends, today is a first impressions episode about Sysreptor, which according to their GitHub page, is a fully customisable, offensive security reporting solution designed for pentesters, red teamers and other security-related people alike.  It is easy to stand up with Docker, has built-in MFA and a great hybrid WYSIWYG/code editor.  The only scary part?  There is no export to Word (insert suspenseful music here!) - your reports just go right to PDF, friends!  The killer feature for us, though, is the ability to create reports from the command line and send files, notes and findings to Sysreptor automagically!

2 Helmi 202430min

7MS #608: New Tool Release - EvilFortiAuthenticator

7MS #608: New Tool Release - EvilFortiAuthenticator

Hey friends, today our pal Hackernovice joins us for a tool (actually two tools!) release party: EvilFortiAuthenticator - it's like a regular FortiAuthenticator, but evil.  This tool allows you to capture the FortiAuthenticator API and subsequently steal the entire device's config, subsequently allowing you to restore the config to a second server and potentially steal cleartext Active Directory creds and SMTP accounts!  We talk about BulletsPassView - a tool that originially allowed us to simply unmask the "hidden" API key in the FortiAuthenticator client (this did NOT work in the latest version of FAC). Once you get the API key, check out Fortinet's documentation to do fun things like dump the whole config to a file on disk! After you steal the config and restore it to a fresh FortiAuthenticator, use maintenance mode to reset the admin password. Once you can adjust the restored config to your liking, try using MITMsmtp to capture email server creds in the clear! TCMLobbyBBQ - this tool has nothing to do with security, but helps PC players of the Texas Chain Saw Massacre get into lobbies more efficiently.

26 Tammi 202443min

7MS #607: How to Succeed in Business Without Really Crying - Part 15

7MS #607: How to Succeed in Business Without Really Crying - Part 15

Today we talk about some business-y things like: A pre first impressions opinion on Sysreptor Why I'm not worried about AI replacing manual pentesting (yet) My struggle with going "full CEO" vs. staying in the weeds and working on hands-on security projects

19 Tammi 202439min

7MS #606: Hacking OWASP Juice Shop (2024 edition)

7MS #606: Hacking OWASP Juice Shop (2024 edition)

Today our pals Bjorn Kimminich from OWASP and Paul from Project7 and TheUnstoppables.ai join us as we kick off a series all about hacking the OWASP Juice Shop, which is "probably the most modern and sophisticated insecure web application!" We got a few wins on the Juice Shop score board today: Found the score board Bullied the chatbot Fired a DOM XSS Located a confidential document Gave the Juice Shop a devastating zero stars review Fired a DOM XSS which played the OWASP Juice Shop Jingle

12 Tammi 202429min

7MS #605: Navigating the Demands of Tech Leadership with Amanda Berlin of Blumira

7MS #605: Navigating the Demands of Tech Leadership with Amanda Berlin of Blumira

Today our friend Amanda Berlin, Lead Incident Detection Engineer at Blumira, joins us to talk about being more mentally healthy in 2024! P.S. - did you miss Amanda's past visits to the program? Then check out episode 518, 536 and 588. Be sure to check out the next edition of Amanda's Defensive Security Handbook when it comes out in later January, 2024!

5 Tammi 202458min

7MS #604: A Two Tool Teaser

7MS #604: A Two Tool Teaser

Today we tease two upcoming tool releases (shooting for Q1, 2024): TCMLobbyBBQ - a Python script for PC players of The Texas Chain Saw Massacre game to help players get out of lobbies and into live games ASAP! The script uses PyAutoGUI to take screenshots of what part of the game you're in, then make appropriate key presses and mouse clicks to get into lobby queues, then alert you when the game actually starts! EvilFortiAuthenticator - this tool will allow you to steal administrator API tokens from FortiAuthenticator which can lead to full compromise of the physical device. Happy new year!

2 Tammi 202426min

7MS #603: Monitoring Your Tailscale Network with Uptime Kuma

7MS #603: Monitoring Your Tailscale Network with Uptime Kuma

Today I look at potentially replacing Splashtop and UptimeRobot (check out our episode about it here) with Tailscale and Uptime Kuma. The missing link (which I'd love some help with) is answering this security question: how can I setup Tailscale so that my 7MinSec testing box can connect to all these NUCs spread around the globe, but those NUCs cannot connect to each other (in case one is compromised)? Got some ideas? Let me know please!

24 Joulu 202328min

7MS #602: How to Succeed in Business Without Really Crying - Part 14

7MS #602: How to Succeed in Business Without Really Crying - Part 14

Today we're talkin' business! Specifically: How to (gently) say "no" to (some) client projects How to (politely) challenge end-of-year deadlines An idea I'm kicking around in the lab - where I might do away with UptimeRobot and Splashtop in favor of Tailscale and Uptime Kuma

15 Joulu 202344min

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