How to Determine a File Type on Linux

Finding Files and Understanding Their Content You may encounter a file on your system with known contents or goal. Usually, the first thing we do is then use cat to show the contents, or execute it. While that makes sense, it may be dangerous to do. It might be a piece of malware, disrupt your screen output or even hang the terminal. Here is a better way to do it, using the file command. Great for forensics, malware analysis, intrusion […]

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The 101 of ELF Binaries on Linux: Understanding and Analysis

Executable and Linkable Format An extensive dive into ELF files: for security incident response, development, and better understanding We often don’t realize the craftsmanship of others, as we conceive them as normal. One of these things is the usage of common tools, like ps and ls. Even though the commands might be perceived as simple, under the hood there is more to it: ELF binaries. Let’s have an introduction into the world of this common file format for Linux and […]

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