Michael Allen// A couple years ago, I had a YubiKey that was affected by a security vulnerability, and to fix the issue, Yubico sent me a brand new YubiKey for free. Since I didn’t use the old YubiKey for authentication after receiving the new one, I decided to see if I could turn it into […]
Timecode links take you to YouTube: 4:11 – Infrastructure & Background8:28 – Overview & Breakdown of Attack Methodology and Plans11:35 – Start of Attack (Gaining Access), Password Spraying Toolkit15:24 – Mailsniper, Retrieve Global Access List21:58 – Lateral Movement, OWA, VPN, SSH27:05 – Scanning/Enumeration, Nmap SSH Brute Force, “Find Open”, Movement, Gaining Access34:07 – Gaining Access, […]
Jordan Drysdale// This is basically a slight update and rip off of Marcello’s work out here: https://byt3bl33d3r.github.io/practical-guide-to-ntlm-relaying-in-2017-aka-getting-a-foothold-in-under-5-minutes.html /tl;dr – Zero to DA on an environment through an exposed OWA and a single factor VPN. An overview of the techniques is chopped from further down, and the attack summary, exists twice in this document: Identify network […]
Mike Felch// How to Purge Google and Start Over – Part 1 Brief Recap In part 1, we discussed a red team engagement that went south when the Google SOC joined forces with the SOC of a customer leading to the dismantling of all our compromised accounts, throw-away accounts, and even my work account. My […]
Mike Felch// A Tale of Blue Destroying Red Let me start by sharing a story about a fairly recent red team engagement against a highly-secured technical customer that didn’t end so well for me. Their SOC was well-equipped with sophisticated in-house anomaly detection tools, incredible visibility across the organization, and a tenacious incident response team. […]
Joff Thyer// In this webcast, we talk about the 2020 End of Life for Python2. We address what the short, and medium term impacts will likely be. Key language differences will be highlighted with techniques to modify your code to be forward compatible. Download slides: https://www.activecountermeasures.com/presentations/ As a SANS instructor teaching SEC573: Automating Information Security […]
Darin Roberts// IP-Go-Round – Source IP Rotation I was on an engagement recently that was blocking my password sprays based on my IP address. If I made 3 incorrect requests from my IP, I was blocked out from making any other requests for 30 minutes. How annoying is that? It is a great form of […]
In this BHIS podcast, originally recorded as a live webcast, we cover some new techniques and tactics on how to track attackers via various honey tokens. We cover how to track with Word Web Bugs in ADHD, and cover the awesome toolkit from Thinkst. We also cover some of the legal ramifications involved in do […]
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In this BHIS webcast we cover some new techniques and tactics on how to track attackers via various honey tokens. We cover how to track with Word Web Bugs in ADHD, and cover the awesome toolkit from Thinkst. We also cover some of the legal ramifications involved in do this. Download slides: https://www.activecountermeasures.com/presentations/ I am covering this […]
