Threat actors are increasingly employing defense evasion techniques to actively disable or blind endpoint security controls like AV and EDR. Common methods include manipulating Windows Firewall rules to block telemetry, uninstalling agents via rogue RMMs, and leveraging Bring Your Own Vulnerable Driver (BYOVD) attacks to terminate protected security processes from the kernel.
EDR
2 posts
Defending EDR Against Adversaries How Unified EDR and ITDR Stop Attacks Before They Spread Huntress details the operational benefits of unifying EDR and ITDR to combat infostealers and rapid credential abuse. A highlighted incident demonstrates a ClickFix social engineering attack leveraging WebDAV and rundll32.exe to execute a remote payload, which was mitigated by automatically isolating the host and revoking associated Microsoft 365 identity sessions.