Saturday, August 2, 2025

๐Ÿ” Tools and Technologies I Use for Digital Forensics Investigations


Digital forensics
 plays a critical role in modern cybersecurity — whether it’s responding to a data breach, investigating insider threats, or performing incident analysis after suspicious behavior. In my work as a security-minded engineer and DevSecOps practitioner, I’ve frequently had to identify, collect, and analyze digital evidence across endpoints, servers, and cloud environments.

In this blog post, I’ll walk you through the tools and technologies I rely on to conduct effective digital forensics investigations — categorized by use case.


๐Ÿง  What Is Digital Forensics?

At its core, digital forensics is about identifying, preserving, analyzing, and reporting on digital data in a way that’s legally sound and technically accurate. The goal is to reconstruct eventsidentify malicious activity, and support security incident response.


๐Ÿงฐ My Go-To Tools for Digital Forensics Investigations


๐Ÿ—‚️ Disk & File System Analysis

These tools help examine hard drives, deleted files, system metadata, and more:

  • Autopsy (The Sleuth Kit) – A GUI-based forensic suite for analyzing disk images, file recovery, and timelines.

  • FTK Imager – For creating and previewing forensic images without altering the original evidence.

  • dd / dc3dd – Command-line tools to create low-level forensic disk images in Linux environments.

  • EnCase (Basic familiarity) – A commercial powerhouse in forensic investigations, used primarily for legal-grade evidence analysis.


๐Ÿงฌ Memory Forensics

Memory (RAM) often holds short-lived but critical evidence, like injected malware, live sessions, or loaded processes.

  • Volatility Framework – Extracts details like running processes, DLLs, command history, network activity, and more from memory dumps.

  • Rekall – An alternative memory analysis framework focused on automation and deep system state inspection.

✅ I’ve used Volatility to trace injected PowerShell payloads and enumerate hidden processes in live incident simulations.


๐ŸŒ Network Forensics

Capturing and analyzing network traffic is essential for spotting data exfiltration, command-and-control activity, or lateral movement.

  • Wireshark – Industry standard for packet analysis and protocol dissection.

  • tcpdump – Lightweight CLI tool to capture traffic in headless environments or remote systems.

  • NetworkMiner – Parses PCAP files to extract files, sessions, and credentials automatically.


๐Ÿ“Š Log & Timeline Analysis

Understanding what happened — and when — is key to reconstructing incidents.

  • Timesketch – A timeline analysis tool for visualizing and collaborating on event data.

  • Log2Timeline (Plaso) – Converts log files, browser histories, and system events into structured timelines.

  • Sysinternals Suite – Includes gems like ProcmonPsExec, and Autoruns for Windows incident response.


๐Ÿงช Malware Analysis (Static & Dynamic)

Understanding what a file does — before or while it runs — helps detect advanced threats and APT tools.

  • Ghidra – Powerful open-source reverse engineering tool from the NSA for analyzing executables.

  • x64dbg / OllyDbg – Popular debuggers for inspecting Windows executables.

  • Hybrid Analysis / VirusTotal – Cloud-based tools to scan files and observe sandbox behavior.

  • Cuckoo Sandbox – An open-source automated sandbox for observing malware behavior in a VM.


☁️ Cloud & Endpoint Forensics

Modern investigations often span cloud platforms and remote endpoints:

  • AWS CloudTrail, GuardDuty – Audit user and API activity in cloud environments.

  • Microsoft Azure Defender – For cloud-native threat detection and log correlation.

  • CrowdStrike Falcon / SentinelOne – Endpoint Detection and Response (EDR) tools for retrieving artifacts, hunting threats, and isolating compromised machines.


๐Ÿงฐ Scripting & Automation

Scripting accelerates collection, triage, and analysis — especially in large-scale environments.

  • Python – I use it to build custom Volatility plugins, PCAP parsers, or automate alert triage.

  • Bash / PowerShell – For live memory dumps, log gathering, process inspection, and rapid automation.


๐Ÿงฉ MITRE ATT&CK & DFIR Methodology

I map artifacts and behaviors to MITRE ATT&CK techniques (e.g., T1055 – Process Injection) to align with industry standards and communicate findings effectively.

I also follow established methodologies like:

  • SANS DFIR process

  • NIST 800-61 Incident Handling Guide

  • Custom playbooks for containment, eradication, and recovery

✅ Summary: Digital Forensics Tools I Use

๐Ÿ”น Disk & File System Analysis

  • Autopsy (Sleuth Kit) – GUI-based forensic suite

  • FTK Imager – Create and inspect forensic images

  • dd / dc3dd – Low-level disk imaging on Linux

  • EnCase – Commercial tool for deep disk investigations (basic familiarity)

๐Ÿ”น Memory Forensics

  • Volatility – Extract processes, DLLs, and sessions from RAM dumps

  • Rekall – Advanced volatile memory analysis

๐Ÿ”น Network Forensics

  • Wireshark – Protocol and packet analysis

  • tcpdump – Command-line traffic capture

  • NetworkMiner – Extracts files and sessions from PCAP files

๐Ÿ”น Log & Timeline Analysis

  • Timesketch – Timeline visualization and correlation

  • Plaso (log2timeline) – Converts raw logs into a forensic timeline

  • Sysinternals Suite – Live system inspection (Procmon, PsExec, Autoruns)

๐Ÿ”น Malware Analysis

  • Ghidra – Static reverse engineering

  • x64dbg / OllyDbg – Debuggers for binary inspection

  • Hybrid Analysis / VirusTotal – Behavioral analysis and threat intel

  • Cuckoo Sandbox – Automated dynamic malware analysis

๐Ÿ”น Cloud & Endpoint Forensics

  • AWS CloudTrail / GuardDuty – Monitor API and security activity

  • Microsoft Defender / Azure Logs – Cloud-native alerting and forensics

  • CrowdStrike Falcon / SentinelOne – EDR tools for endpoint activity and IOC collection

๐Ÿ”น Scripting & Automation

  • Python – For custom plugins, log parsers, automation

  • Bash / PowerShell – For system triage, memory dumps, and log collection

๐Ÿ”น Methodology

  • Align findings with MITRE ATT&CK

  • Follow structured DFIR frameworks like SANSNIST 800-61, and custom playbooks

๐ŸŽฏ Final Thoughts

Digital forensics isn’t just for breach responders — it’s a key skill for DevSecOps, SDETs, and any security-conscious engineer. Whether you’re building incident response workflows, simulating attacks, or validating your EDR, knowing how to collect and interpret evidence makes you far more effective.

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