Incident Response Archives

Active Cyber Defence – Taking back control

by Umair Qamar | Oct 15, 2024 | Detection, Incident Response

Every good cybersecurity article needs a Sun Tzu quote, here is one lesser known quote from Sun Tzu to start us off. What Happened? Recently, JUMPSEC’s Detection and Response Team (DART) caught a Red Team inside one of our MxDR clients' networks using a honeypot server. The honeypot server was set up using Thinkst Applied Research’s project called OpenCanary. This open-source project from Thinkst emulates different network protocols and when interacted with, creates an alert providing...

Building Forensic Expertise: A Two-Part Guide to Investigating a Malicious USB Device (Part 2)

by Emilia Chau, Marin Gheorge, Muhammad Jawad | Sep 11, 2024 | Forensics, Incident Response

In this part 2, we'll walk you through the step-by-step process of setting up and conducting a Digital Forensics and Incident Response (DFIR) investigation using a virtual machine (VM). We’ll cover everything from configuring the VM to ensure it’s completely isolated to tackling the challenges of USB passthrough with a write blocker. You'll also learn about the risks of using public threat intelligence platforms like VirusTotal and discover alternative methods for secure file analysis. Our...

Building Forensic Expertise: A Two-Part Guide to Investigating a Malicious USB Device (Part 1)

by Emilia Chau, Marin Gheorge, Muhammad Jawad | Aug 28, 2024 | Forensics, Incident Response

JUMPSEC believes heavily in learning and developing through real world experience. The incident described in this blog post presented a fantastic opportunity for 3 junior team members to learn first hand how to conduct, report and respond to an incident investigation. This blog post is split into two parts: Part I focuses on the prerequisites and preparation work done before kicking off the investigation, such as explaining the forensic principles used in the investigation, how the evidence is...

Hunting the Snake: An Overview of Threat Hunting with Velociraptor

by Francesco Iulio | Jun 19, 2023 | Incident Response

In May 2023 the NCSC and CISA released a joint cyber security advisory addressing a piece of Russian malware called Snake. According to them, this malware has been gathering intelligence for the FSB in more than 50 countries for the last 20 years. Off the back of this advisory JUMPSEC decided to perform a number of threat hunts to provide assurance for some of our clients. Whilst conducting these hunts, we thought it would be beneficial to share the high-level methodology for this in the form...

Butting Heads with a Threat Actor on an Engagement

by Max Corbridge | Apr 17, 2023 | Exploitation, Incident Response, Vulnerability, Windows

After compromising a sensitive external server JUMPSEC’s Red Team found that they were not the first ones there…

No Logs? No Problem! Incident Response without Windows Event Logs

by editor | Nov 22, 2021 | Forensics, Incident Response, Windows

In this article, we discuss some Digital Forensics and Incident Response (DFIR) techniques you can leverage when you encounter an environment without Windows event logs.

PowerShell Jobs

by editor | Oct 7, 2021 | Detection, Incident Response, Monitoring, Windows

JUMPSEC investigators recently observed an adversary weaponising PowerShell Jobs to schedule their attack whilst responding to an incident. We discuss what PowerShell Jobs are, how they can be leveraged for malicious purposes, and how defenders can protect, detect, and respond to neutralise the threat.

Running Once, Running Twice, Pwned! Windows Registry Run Keys

by editor | Aug 11, 2021 | Detection, Incident Response, Monitoring, Windows

The Windows registry is a vast and complex topic and cannot be understood and defended in one article. One particular area of interest from a security perspective is registry run keys. In this article, we discuss who uses them, how to uncover abuse, and how to eradicate evil from them.

JUMPSEC LABS

Active Cyber Defence – Taking back control

Building Forensic Expertise: A Two-Part Guide to Investigating a Malicious USB Device (Part 2)

Building Forensic Expertise: A Two-Part Guide to Investigating a Malicious USB Device (Part 1)

Hunting the Snake: An Overview of Threat Hunting with Velociraptor

Butting Heads with a Threat Actor on an Engagement

No Logs? No Problem! Incident Response without Windows Event Logs

PowerShell Jobs

Running Once, Running Twice, Pwned! Windows Registry Run Keys

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