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Phishing, Red Team, Social Engineering, Steve Borosh

Spamming Microsoft 365 Like It’s 1995 

I previously blogged about spoofing Microsoft 365 using the direct send feature enabled by default when creating a business 365 Exchange Online instance (https://www.blackhillsinfosec.com/spoofing-microsoft-365-like-its-1995/). Using the direct send feature, it […]

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BLOG_chalkboard_00648

Blue Team, General InfoSec Tips & Tricks, Incident Response, Informational, Patterson Cake OSINT

OSINT for Incident Response (Part 1)

Being a digital forensics and incident response consultant is largely about unanswered questions. When we engage with a client, they know something bad happened or is happening, but they are […]

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BLOG_chalkboard_00647

General InfoSec Tips & Tricks, How-To, Informational, Jordan Drysdale Advice from a Help Desk Tech, Networking

The Simplest and Last Internet-Only ACL You’ll Ever Need 

tl;dr  Implement this ACL using whatever network gear, cloud ACL config, or uncomplicated firewall you use to protect your networks. Our IOT devices are on 10.99.99.0/24 for this example. Also, […]

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BLOG_chalkboard_00646

Informational, InfoSec 101, Serena DiPenti internet protocol, IP, Networking

Unpacking the Packet: Demystifying the Internet Protocol

The internet is a product of a global group effort to build an interoperable network connecting billions of devices, regardless of country, region, or manufacturer. That effort yielded hundreds of […]

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BLOG_chalkboard_00645

Alyssa Snow, Blue Team, External/Internal, General InfoSec Tips & Tricks, How-To, Informational, InfoSec 101, Red Team Active Directory, ADCS, exploit

Abusing Active Directory Certificate Services (Part 3)

| Alyssa Snow In PART ONE and PART TWO of this blog series, we discussed common misconfigurations of Active Directory certificate templates. In this post, we will walk through exploitation […]

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BLOG_chalkboard_00644

Ethan Robish, General InfoSec Tips & Tricks, How-To, Informational, InfoSec 101 Personal Security

Rotating Your Passwords After a Password Manager Breach

| Ethan Robish It’s been nearly a year since Lastpass was breached and users’ encrypted vaults were stolen.  I had already migrated to a different password manager for all my […]

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BLOG_chalkboard_00642

General InfoSec Tips & Tricks, Informational, Sean Verity

Opt for TOTP to Deal With MFA App Sprawl

| Sean Verity Do you have a bunch of MFA apps on your phone that leave you feeling like you can’t put your arms down? Or maybe all those MFA […]

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Untitled

Beau Bullock, How-To, Red Team, Red Team Tools, Steve Borosh Azure, cloud, microsoft365

Introducing GraphRunner: A Post-Exploitation Toolset for Microsoft 365

By Beau Bullock & Steve Borosh TL;DR We built a post-compromise toolset called GraphRunner for interacting with the Microsoft Graph API. It provides various tools for performing reconnaissance, persistence, and […]

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BLOG_chalkboard_00641

Alyssa Snow, Blue Team, External/Internal, How-To, Informational, Red Team, Red Team Tools Active Directory, exploit

Abusing Active Directory Certificate Services (Part 2)

Misconfigurations in Active Directory Certificate Services (ADCS) can introduce critical vulnerabilities into an Enterprise Active Directory environment, such as paths of escalation from low privileged accounts to domain administrator.

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