All Huntress Blog Posts

All Huntress Blog Posts

All things cybersecurity engaging and accessible - so you can stay ahead of hackers and boost your cybersecurity savviness.

Author: John Ferrell
Malware Deep Dive: Investigating a Foothold and Uncovering the Payload
Malware Deep Dive: Investigating a Foothold and Uncovering the Payload

A suspicious Run Key value with a random name triggered a Huntress alert. What came next was a DLL payload hidden multiple layers deep. Here's the full malware deep dive from first alert to final payload.

September 7, 2021
How Hackers Exploit Windows Administrative Shares
How Hackers Exploit Windows Administrative Shares

Windows administrative shares are built-in features that most administrators know exist and few actively monitor. Here's how attackers use them for lateral movement, and what detection looks like.

March 23, 2021
Peeling Back the Layers of .NET Malware
Peeling Back the Layers of .NET Malware

An executable that compiles a DLL on the fly, loads it, then decodes an embedded image to deliver its payload. Huntress peels back every layer of this .NET malware and shows what's inside.

March 9, 2021
Malware Deep Dive: Examining A PowerShell Payload
Malware Deep Dive: Examining A PowerShell Payload

Living-off-the-land attacks use a system's own tools against it. Huntress examines a malicious PowerShell payload found in the wild, and walks through the execution chain step by step.

February 9, 2021
Hiding In Plain Sight
Hiding In Plain Sight

A file that looks like an application log — timestamps, OS version references, nothing alarming. It was actually malware. Huntress breaks down the tricks used to hide a persistent foothold in plain sight.

June 18, 2020
Huntress Development Notes: Updating the Updater
Huntress Development Notes: Updating the Updater

Software update processes are attack surfaces. Huntress details the development journey of replacing their third-party agent update utility — and what they found about the security trade-offs.

October 3, 2019
Deep Dive: A LNK in the Chain
Deep Dive: A LNK in the Chain

The Huntress SOC spotted a LNK file reading its payload from itself (not the registry). A deep dive into a clever technique for executing malware through Windows shortcut files.

May 30, 2019
Abusing Trusted Applications with Nested Execution
Abusing Trusted Applications with Nested Execution

Hiding malicious activity inside trusted applications is well-known. The technique of nested execution is less discussed. Huntress breaks down why it works and how researchers find vulnerable host applications.

October 2, 2017