Listen to talk about computer forensic analysis, techniques, methodology, tool reviews and more.
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Windows management instrumentation, also known as WMI, is an App on Windows that allows a user to query all sorts of things about a system. Being native to Windows, it is an attractive target for a attackers to leverage. This week I'll break down the artifact from a DFIR point of a few and talk about how to detect its misuse.…
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This week I'm wrapping up my series on SSH forensics with a discussion on SSH log triage. Logs are usually what an analyst will start with, so this episode is important. There are a few different log types, and there is a pitfall with one of them, which is something you must be aware of to avoid making inaccurate conclusions. I'll provide the artif…
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In the last episode on this topic, I covered SSH from a investigation point of view. I explained SSH and the artifacts that typically come up when your investigating. In this episode, we're getting into the triage methodology. This includes the artifacts targeted for a fast, but yet effective triage for notable SSH activity on a given host.…
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DFSP # 424 - SSH Forensics: Understanding Secure Shell
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SSH is a protocol used to secure remote access to systems, making it a cornerstone in safeguarding sensitive information and ensuring secure communications. In this podcast, we will delve into the basics of SSH, its key concepts and other useful elements important for context when investigating for notable SSH activity.…
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DFSP # 423 - Guiding Lights: Cyber Investigations Investigation Lifecycle
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This week I'm discussing a fundamental aspect of cybersecurity: incident response preparation. Effective incident response is paramount, and preparation is the key to success. This preparation includes comprehensive documentation, training, having the right tools and resources in place, and developing incident response plans and playbooks. It also …
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DFSP # 422 - EVTX Express: Cracking into Windows Logs Like a Pro
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Today I'm talking Windows forensics, focusing on Windows event logs. These logs are very valuable for fast triage, often readily available in your organization's SIEM. But have you ever wondered about the processes enabling this quick access? Not only are the logs automatically collected and fed into the appliance, but they are also formatted and n…
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DFSP # 421 - Memory Lane: Fileless Linux Attacks Unraveled
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In this podcast episode, we talk about Linux's `memfd` – a virtual file system allowing the creation of anonymous memory areas for shared memory or temporary data storage. Threat actors exploit `memfd` for fileless malware attacks, as its memory areas exist only in RAM, evading traditional file-based detection methods. Join me as I `memfd` as a for…
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This week we explore into the world of Windows service event codes and their role in forensic investigations. Windows services are background processes crucial for system functionality, running independently of user interaction- making them ideal. Target were exploitation. Join me to explore the intricate details of Windows services and their signi…
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This week, we're delving into the realm of fast flux, a cunning technique employed by attackers to cloak their true, malicious domains. Its effectiveness is the reason behind its widespread use, making it crucial for analysts to grasp its nuances and avoid chasing elusive ghosts during investigations. Stay tuned as I unravel the intricacies of fast…
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DFSP # 418 - Core Insights: Navigating MFT in Forensics
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In this week's exploration, I'm delving into the intricate realm of the Master File Table (MFT), a pivotal forensic artifact in Windows investigations. The MFT provides a valuable gateway to decode evidence across various scenarios. Join me in this episode as we unravel the forensic basics, explore diverse use cases, and discover a range of tools t…
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This week I delve into the intriguing domain of Linux malware triage. The Linux platform presents forensic analysts with a unique opportunity to excel in performing malware triage effortlessly. The beauty of it lies in the fact that you don't require any specialized tools; all you need is a solid grasp of a few commands and the ability to decipher …
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This week I’m going to talk about New Service Installation details recorded in Windows event logs. These have a number of advantages for your triage methodology and I will have all the details coming up.
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Organizations leverage third-party services more and more for business advantages. For the security professional, this means the organizational data you're charged with protecting is under the control of a third-party in some way shape or form. In this episode, I cover third-party risk landscape for security professionals with a special focus on id…
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Cron become important and Linux forensics when you’re talking about persistence. Think scheduled tasks if you want a Windows equivalent. The artifact is not that difficult to analyze once you understand the elements to focus on and it is typically readily available. It’s something that you can check out a live system, gather with a collection scrip…
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Ransomware cases can be particularly challenging, especially during the initial response. They tend to be fast-paced and require the responder to simultaneously prioritize a number of tasks. Each of these tasks can have critical impact upon the outcome of the response and subsequent investigation. In this episode I am going to cover some immediate …
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Conhost, or the Console Application Host, often comes up during investigations. Understanding what it is, the evidence may contain and how to extract that information becomes important...
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This week I'm talking about detecting evidence of lateral movement on Window systems using NTLM credential validation events. Much like the episode I did on Kerberos, NTLM events offer the same advantage of being concentrated on domain controllers, which allows you, as the analyst, leverage a great resource for user account analysis. I will have th…
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