5 Followers
70 Following
24 Posts

Detection and Response. Former pentester and red teamer.

🌎 Seattle, WA

Twitterhttps://twitter.com/brian_psu

“How Discord rolled out Yubikeys for all employees” - lots of great technical and nontechnical takeaways here.

https://discord.com/blog/how-discord-rolled-out-yubikeys-for-all-employees

How Discord Rolled Out Yubikeys for All Employees

I want to expand more on the comedy of errors that led to the eviction of #Twitter from their Boulder, Colorado office.

The story that leads up to this building even existing is bizarre and hilarious, so here goes...

A thread 🧵

https://arstechnica.com/tech-policy/2023/06/judge-ruled-twitter-must-be-evicted-from-colorado-office-over-unpaid-rent/

Twitter evicted from office amid lawsuits over unpaid rent and cleaning bills

Twitter evicted in Boulder, Colo., still faces unpaid-rent suit at HQ in California.

Ars Technica

"With AI, now any idiot can write malware!"

As a security researcher, I can assure you that idiots have been writing malware for quite some time.

I'm a little sad to see Stadia go, though I was pretty sure it was always going to end like this. I think cloud gaming could have a future, especially with games designed for the cloud, but Stadia repeatedly overpromised and underdelivered (remember "negative latency"? remember the promise of jumping in to the same game as a streamer directly from a stream).

A lot of people didn't know you could sign up for Stadia for free without providing a credit card by going directly to the Destiny 2 page and creating an account, and I actually did put in some time in an alt I created for Stadia and through cross-saving my main account. At first, there wasn't crossplay, so Stadia was a deadzone, and despite assurances to the contrary, there was definitely a level of latency and jank if you weren't on a wired connection. But with crossplay to fix the population issues, I quite enjoyed the various devices and setups I was able to play from, even if it wasn't optimal.

Someday I can see a Stadia-like game for things like Civilization, where you could keep a game running in the cloud and jump back into it from anywhere and any device, but Stadia wasn't it. RIP, a sad but inevitable addition to the Google Graveyard.

personally i am incredibly worried about the cyber threat consistently posed to the united states by the "Big 4" (deloitte, ernst and young, pwc, kpmg)
Today, we are releasing RPC Investigator, made for exploring RPC clients and servers on Windows. This .NET application builds on the NtApiDotNet platform, adding features that offer a new way to explore RPC https://blog.trailofbits.com/2023/01/17/rpc-investigator-microsoft-windows-remote-procedure-call/
Introducing RPC Investigator

A new tool for Windows RPC research By Aaron LeMasters Trail of Bits is releasing a new tool for exploring RPC clients and servers on Windows. RPC Investigator is a .NET application that builds on …

Trail of Bits Blog
One aspect of security configuration I don't see talked about enough is verbosity vs retention.
Do you really want this event of marginal use if it makes you have 20 fewer days before logs turnover?

If you ever need an LDAPFilter for an object with parentheses in the value, use \28 for ( and \29 for ):

Get-ADComputer -LDAPFilter '(&(operatingSystem=Windows 10*)(operatingSystemVersion=10.0 \2817134\29))'

This will match computers with version "10.0 (17134)" aka Windows 10, 1803.

Maybe this saves you some time some day!

For more context:

These get sent from Paypal ([email protected] is the actual seller).

They often request money around $400-500. Subject line will say "You've got a money request." for these.

Otherwise, the sender will often set up a store/seller name that masquerades as a real bill ("Billing Department", "Invoice", "Billing Desk", etc) often with random numbers and letters appended presumably to avoid existing detections. Subject line for these will be "Invoice from Billing Desk", etc.

They'll attach a Seller's Note stating you must call a number to stop the charge, which is the lure to social engineer you further.

Anyone seeing another big wave of PayPal fake invoice spam lately?