7 Minute Security14 Huhti 2021

7MS #463: DIY Pentest Dropbox Tips - Part 5

In the last two episodes of this series (#449 and #450) we've been diving into how to not only speed up the process of spinning up a DIY pentest dropbox, but how to automate nearly the entire build process!

In today's episode we talk specifically about how to streamline the Windows 10 build process. As previously mentioned, this article is awesome for creating a core Win 10 answer file that will format C:, setup a local admin, login once to the configured desktop and then do whatever things you want it to do. Personally, I like having a single batch file get fired off that:

Sets the timezone with tzutil /s "Central Standard Time"
Stops the VM from falling asleep with powercfg.exe -change -standby-timeout-ac 0
Grabs and runs a PS file that does a ton of downloading and unzipping of files with:

invoke-webrequest https://somesite/somefile.zip -outfile c:\somewhere\somefile.zip expand-archive c:\somewhere\somefile.zip -destinationpath "c:\somewhere\extracted\"

Installs Windows updates with:

Install-PackageProvider -name nuget -force Install-Module PSWindowsUpdate -force Import-Module PSWindowsUpdate Get-WindowsUpdate Install-WindowsUpdate -AcceptAll -IgnoreReboot

Sets a new name for the machine:

Write-Host "Picking a new name for this machine...you'll need to provide your admin pw to do so" Rename-Computer -LocalCredential administrator -PassThru Write-Host "New name accepted!"

Does a set of actions depending on the IP range with this code (which sets the IP address to a variable and then does stuff if the machine sits in that subnet):

$ip = ((ipconfig | findstr [0-9].\.)[0]).Split()[-1] f ($ip -like "192.168.0.*") { Invoke-Webrequest https://somesite/somefile.ps1 -OutFile c:\someplace\somefile.ps1 }

Also, I talk in this episode about how I try to host these "seed" files as securely as possible using Amazon Lightsail instances, the built-in firewall, and LetsEncrypt.

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Jaksot(713)

7MS #713: How to Secure Your Community – Part 3

Hello friends, in today's edition of How to Secure Your Community, I give a brief recap of part 1 and part 2, and then dive into some cool phone shortcuts you can setup so that with a single tap, you ...

13 Maalis 31min

7MS #712: How to Secure Your Community - Part 2

Hello friends. Today's episode piggybacks off of last week's discussion of Operation Metro Surge and how it has affected the state of Minnesota. I also highly encourage you to read this Rolling Ston...

6 Maalis 37min

7MS #711: How to Secure Your Community

Hello friends, it's good to be back with you. I took a podcast hiatus in January to focus on helping communities affected by Operation Metro Surge. Today I share how my family and community has been...

27 Helmi 51min

7MS #710: I'm Taking a Break

Hi friends, I'm going to be taking a break from producing podcast episodes, as well as content over at 7MinSec.club. It's a temporary break, so please don't unsubscribe, unfollow, etc. I need some e...

17 Tammi 4min

7MS #709: Second Impressions of Twingate

Hey friends, in episode #649 I gave you my first impressions of Twingate. It's been a minute, so I thought I'd revisit Twingate (specifically this awesome Twingate LXC) and talk about how we're using...

10 Tammi 20min

7MS #708: Tales of Pentest Fail – Part 6

After sharing a recent story about how a phishing campaign went south, I heard feedback from a lot of you. You either commiserated with my story, told me I wussed out, and/or had a difficult story of...

2 Tammi 25min

7MS #707: Our New Pentest Course Has Launched!

Today we're thrilled to announce the launch of LPLITE:GOAD (Light Pentest Live Interactive Training Experience: Game of Active Directory). The first class is coming up Tuesday, January 27 – Thursday, ...

26 Joulu 202514min

7MS #706: Tales of Pentest Pwnage – Part 80

I'm so excited to share today's tale of pentest pwnage, because it brings back to life a coercion technique I thought wouldn't work against Windows 11! Spoiler alert: check out rpc2efs, as well as the...

19 Joulu 202529min

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