7MS #381: DIY $500 Pentesting Lab Deployment Tips
7 Minute Security18 Syys 2019

7MS #381: DIY $500 Pentesting Lab Deployment Tips

For Windows VMs

  • Take a snapshot right after the OS is installed, as (I believe) the countdown timer for Windows evaluation mode starts upon first "real" boot.
  • Want to quickly run Windows updates on a fresh Win VM? Try this (here's the source):
powershell Install-PackageProvider -Name NuGet -Force powershell Install-Module PSWindowsUpdate -force powershell Set-ExecutionPolicy bypass powershell Import-Module PSWindowsUpdate powershell Get-WindowsUpdate powershell Install-WindowsUpdates -AcceptAll -AutoReboot
  • To turn on remote desktop:
Set-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\Terminal Server'-name "fDenyTSConnections" -Value 0
  • To set the firewall to allow RDP:
Enable-NetFirewallRule -DisplayGroup "Remote Desktop"
  • To stop the freakin' Windows hosts from going to sleep:
powercfg.exe -change -standby-timeout-ac 0
  • To automate the install of VMWare tools, grab the package from VMWare's site, decompress it, then:
setup64.exe /s /v "/qn reboot=r"
  • To set the time zone via command line, run tzutil /l and then you can set your desired zone with something like tzutil /s "Central Standard Time"

For Linux VMs

  • Get SSH keys regenerated and install/run openssh server:
apt install openssh-server -y mkdir /etc/ssh/default_keys mv /etc/ssh/ssh_host_* /etc/ssh/default_keys/ dpkg-reconfigure openssh-server systemctl enable ssh.service systemctl start ssh.service

Next user group meeting September 30!

Jaksot(690)

7MS #643: DIY Pentest Dropbox Tips – Part 11

7MS #643: DIY Pentest Dropbox Tips – Part 11

Today we continue where we left off in episode 641, but this time talking about how to automatically deploy and install a Ubuntu-based dropbox!  I also share some love for exegol as an all-in-one Active Directory pentesting platform.

27 Syys 202426min

7MS #642: Interview with Ron Cole of Immersive Labs

7MS #642: Interview with Ron Cole of Immersive Labs

Ron Cole of Immersive Labs joins us to talk pentest war stories, essential skills he learned while serving on a SOC, and the various pentest training and range platforms you can use to sharpen your security skills! Here are the links Ron shared during our discussion: VetSec Fortinet Veterans Program Immersive Labs Cyber Million FedVTE

23 Syys 202442min

7MS #641: DIY Pentest Dropbox Tips – Part 10

7MS #641: DIY Pentest Dropbox Tips – Part 10

Today we’re revisiting the fun world of automating pentest dropboxes using Proxmox, Ansible, Cursor and Level.  Plus, a tease about how all this talk about automation is getting us excited for a long-term project: creating a free/community edition of Light Pentest LITE training!

13 Syys 202427min

7MS #640: Tales of Pentest Pwnage – Part 63

7MS #640: Tales of Pentest Pwnage – Part 63

This was my favorite pentest tale of pwnage to date!  There’s a lot to cover in this episode so I’m going to try and bullet out the TLDR version here: Sprinkled farmer files around the environment Found high-priv boxes with WebClient enabled Added “ghost” machine to the Active Directory (we’ll call it GHOSTY) RBCD attack to be able to impersonate a domain admin using the CIFS/SMB service against the victim system where some higher-priv users were sitting Use net.py to add myself to local admin on the victim host Find a vulnerable service to hijack and have run an evil, TGT-gathering Rubeus.exe – found that Credential Guard was cramping my style! Pulled the TGT from a host not protected with Credential Guard Figured out the stolen user’s account has some “write” privileges to a domain controller Use rbcd.py to delegate from GHOSTY and to the domain controller Request a TGT for GHOSTY Use getST.py to impersonate CIFS using a domain admin account on the domain controller (important thing here was to specify the DC by its FQDN, not just hostname) Final move: use the domain admin ccache file to leverage net.py and add myself to the Active Directory Administrators group

7 Syys 202443min

7MS #639: Tales of Pentest Pwnage - Part 62

7MS #639: Tales of Pentest Pwnage - Part 62

Today’s tale of pentest pwnage talks about the dark powers of the net.py script from impacket.

3 Syys 20247min

7MS #638: Tales of Pentest Pwnage – Part 61

7MS #638: Tales of Pentest Pwnage – Part 61

Today we’re talking pentesting – specifically some mini gems that can help you escalate local/domain/SQL privileges: Check the C: drive! If you get local admin and the system itself looks boring, check root of C – might have some interesting scripts or folders with tools that have creds in them. Also look at Look at Get-ScheduledTasks Find ids and passwords easily in Snaffler output with this Snaffler cleaner script There’s a ton of gold to (potentially) be found in SQL servers – check out my notes on using PowerUpSQL to find misconfigs and agent jobs you might able to abuse!

23 Elo 202432min

7MS #637: BPATTY[RELOADED] Release Party

7MS #637: BPATTY[RELOADED] Release Party

Hello friends, I’m excited to release BPATTY[RELOADED] into the world at https://bpatty.rocks! – which stands for Brian’s Pentesting and Technical Tips for You! It’s a knowledge base of IT and security bits that help me do a better job doing security stuff! Today I do an ACTUAL 7-minute episode (GASP…what a concept!) covering my favorite bits on the site so far. Enjoy!

17 Elo 20247min

7MS #636: A Prelude to BPATTY(RELOADED)

7MS #636: A Prelude to BPATTY(RELOADED)

Artificial hype alert!  I’m working on a NEW version of BPATTY (Brian’s Pentesting and Technical Tips for You), but it is delayed because of a weird domain name hostage negotiation situation.  It’s weird.  But in the meantime I want to talk about the project (which is a pentest documentation library built on Docusaurus) and how I think it will be bigger/better/stronger/faster/cooler than BPATTY v1 (which is now in archive/read-only mode).

12 Elo 202411min

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