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Mar 29th, 2022
Written by: Admin
ActiveBreach
This blog post details several recently patched vulnerabilities in the Veeam Backup & Replication and Veeam Agent for Microsoft Windows. We’ll detail MDSec’s process for identifying these 1Day vulnerabilities, writing…
Dec 16th, 2021
Written by: Admin
ActiveBreach
Introduction MDSec’s ActiveBreach red team operate in the some of the highest maturity environments, where a significant degree of in-memory and post-exploitation operational security is often required to counteract defensive…
Sep 15th, 2021
Written by: Admin
ActiveBreach
As part of Microsoft Exchange April and May 2021 patch, several important vulnerabilities were fixed which could lead to code execution or e-mail hijacking. Any outdated and exposed Exchange server…
Mar 9th, 2021
Written by: Admin
ActiveBreach
Introduction When looking for new interesting attack surfaces in Windows, I’ve often looked to default file handlers and LOLBins. Another interesting place to look is the default protocol handlers and…
Feb 22nd, 2021
Written by: Admin
ActiveBreach
Overview In the ActiveBreach red team, we’re always looking for innovative approaches for lateral movement and privilege escalation. For many of the environments we operate in, focusing on the classic…
Jan 14th, 2021
Written by: Admin
ActiveBreach
Overview It’s no secret that macOS post-exploitation is often centric around targeting the installed apps for privilege escalation, persistence and more. Indeed, we’ve previously posted about approaches for code injection…
Jan 12th, 2021
Written by: Admin
ActiveBreach
Web browsers are inherently trusted by users. They are trained to trust websites which “have a padlock in the address bar” and that “have the correct name”, This trust leads…
Dec 31st, 2020
Written by: Admin
ActiveBreach
Introduction The motivation to bypass user-mode hooks initially began with improving the success rate of process injection. There can be legitimate reasons to perform injection. UI Automation and Active Accessibility will use it…
Nov 23rd, 2020
Written by: Admin
ActiveBreach
Introduction Low privileged, user land persistence techniques are worth their weight in gold, as there are far fewer opportunities from this perspective than when you’re elevated. As such, we are…
Oct 20th, 2020
Written by: Admin
ActiveBreach
Overview I started out this research having taken some inspiration from @buffaloverflow‘s Chlonium tool for easily exfiltrating and using a victim’s Chromium based web browser cookies. I was working on…