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Jason Ostrom Profile
Jason Ostrom

@securitypuck

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Instructor and Author @SANSInstitute | Blue & Red Team | GoLang & Terraform| Builder of things | Husband & Father | #NHL #NFL | @[email protected]

Phoenix, AZ
Joined August 2008
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@securitypuck
Jason Ostrom
3 years
I’m super pumped to release v1.0 of my free Azure security tool (PurpleCloud) in the hopes that it will be useful to the InfoSec community evolving the so called “Purple Teaming” in the cloud! . Website:
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@securitypuck
Jason Ostrom
3 months
RT @SANSOffensive: 📣 Registration is OPEN for Hack & Defend Summit!. Join @Steph3nSim & @SecHubb on Oct 28-29 in Austin, TX, when Red & Blu….
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@securitypuck
Jason Ostrom
9 months
I just published this article - "Sentinel for Purple Teaming" .Automates logging configuration to Sentinel. AD deployment. Explores different Managed Identities from a pentester lens. #CloudSecurity #Azure #pentest #PurpleTeam.
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@securitypuck
Jason Ostrom
11 months
You can run injects of user behavior and create the telemetry that will make your training very realistic. "GHOSTS Playground" is released under a permissive MIT license, allowing you control over what you do with it. Roll up your sleeves and check it out! PRs welcome and.
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@securitypuck
Jason Ostrom
11 months
Use this to conduct your own research for building out NPCs using LLMs. Build your own pentest learning lab, or use it to create a Purple Teaming lab or class. I've focused on the API and building out three options to use the NPC endpoints.
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@securitypuck
Jason Ostrom
11 months
Cobbled together with terraform, bash, and powershell, it pushes the resources into your own AWS account. Destroy it when you’re done! On top of GHOSTS, this little cyber range environment builds an Active Directory Forest on a DC, domain joins a client, adds an Elastic.
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@securitypuck
Jason Ostrom
11 months
For those wanting to experiment with GHOSTS: I’ve created a “security playground” that automatically builds the GHOSTS server and a GHOSTS client system.
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@securitypuck
Jason Ostrom
11 months
GHOSTS includes an API that is exposed and allows Admins to run injects of user application behavior. Dustin has also added some capabilities and research allowing integration of LLMs and Generative AI tools like ChatGPT, to help create these NPCs and their behaviors.
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@securitypuck
Jason Ostrom
11 months
GHOSTS is an InfoSec framework that creates non-player characters (NPCs) that can be programmed to do things on the network that any human would do like web browsing, email, running other apps. Created by researchers at Carnegie Mellon University like @dustinupdyke , it adds.
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@securitypuck
Jason Ostrom
11 months
Releasing this security lab environment called "GHOSTS Playground" - it implements the "GHOSTS framework" - what is GHOSTS? Read on. #purpleteaming #pentest
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@securitypuck
Jason Ostrom
1 year
RT @SANSOffensive: In this modern age, battles are fought on many fronts. In Chapter 1 of the Aviata Cloud Solo Flight Challenge workshop s….
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@securitypuck
Jason Ostrom
1 year
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@securitypuck
Jason Ostrom
1 year
Changes:.* Added TLS hosting with new Caldera 5.0 VueJS app. Fixed an issue missing in Caldera docs preventing remote hosting. * Verified proper API for sending abilities against an agent. Added to terraform cheat sheet. * Removed Prelude Operator.
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@securitypuck
Jason Ostrom
1 year
Just released an update to my Adversary-as-Code automated security lab. But seriously :-). Updated to latest Caldera 5.0 update. Added API cheat sheet in terraform for sending abilities. Been playing with sending techniques over an API, lots of potential here for automation +.
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@securitypuck
Jason Ostrom
1 year
RT @_wald0: In this blog post:. ● My analysis of the Midnight Blizzard breach affecting Microsoft.● Step-by-step explanation of the attack….
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@securitypuck
Jason Ostrom
1 year
RT @helpnetsecurity: Automated Emulation: Open-source breach and attack simulation lab - - @securitypuck @github #O….
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@securitypuck
Jason Ostrom
1 year
Mozilla sops is an open source secrets manager that works really well. Orgs with a large number of repositories have to solve the problem of securing all secrets at scale:.
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@securitypuck
Jason Ostrom
1 year
@trufflesec Created this awesome tutorial for Rotating different Secrets:
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@securitypuck
Jason Ostrom
1 year
Remember that compromised developer accounts in a Github Enterprise can be abused for scanning and enumerating secrets especially in a large DevOps environment. Simple "Member" in Github Enterprise allows this. Secrets can be used for lateral movement in cloud.
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@securitypuck
Jason Ostrom
1 year
Github Gist to scan repos at scale using TruffleHog. Remote Scan, Only Verified flag to show verified creds:.
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@securitypuck
Jason Ostrom
1 year
Thank you @trufflesec for the golden awesomeness of #TruffleHog. I'm amazed at the capabilities of this tool for secrets scanning at scale. Client Pentest: Scanned 500 Github enterprise repositories. Github Gist below for a bash script that uses #TruffleHog.
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