Ange mastodon.social

An AI told me today that we’re in 2024, for no obvious reason: I had just asked to look for past occurrences of specific events. I didn’t expect it to ...

mastodon.social·8w

<p>On my way <a href="https://mastodon.social/tags/39c3" class="mention hashtag" rel="tag">#<span>39c3</span></a> <a href="https://mastodon.social/tags/ICE612" ...

mastodon.social·21w

<p>My relative is looking for a 39C3 ticket. No scammers please ;)</p>

mastodon.social·26w

<p>To check if a file starts with MZ or GIF, just use file/libmagic. You don&#39;t need AI or Magika for that. TrID has a lot of heuristics, but a lot...

mastodon.social·27w

<p>Magika is a fast file type identifier that covers many file types, binary formats or source texts. It&#39;s not made to detect adversarial attacks.<br /...

mastodon.social·27w

<p>Weird files are out of scope of Magika. It just wasn&#39;t trained on them.</p><p>It&#39;s trivial to inject some data in a file and keep it functional (w/ m...

mastodon.social·27w

<p>Of course, it&#39;s possible to create weird files that will fool Magika and other tools. Polymocks, polyglots...</p><p>I made quite a few - check my CC...

mastodon.social·27w

<p>Magika uses the first and last kilobytes of the files. That way, if the file is slightly corrupted, the filetype might still be properly identified.<br ...

mastodon.social·27w

<p>So file contents are used to determine the file type. To check if the file starts with &#39;\x7FELF&#39;, &#39;MZ&#39; or &#39;GIF&#39;, you don&#39;t n...

mastodon.social·27w

<p>To identify file types, the worst way are file extensions: the extension is stored in the filesystem entry, not in the file content. It can be lost...

mastodon.social·27w

<p>In the process, I also studied in depth other file type identifiers, and I&#39;ve been contributing to most of them before, including LibMagic, TrID... ...

mastodon.social·27w

<p>Hi newcomers: I&#39;ve been contributing to Magika since 2023 (it became public in 2024). Some clarifications regarding the recent Magika release...</p>...

mastodon.social·27w

<p>Is there nowadays a better content extractor from PDF than the classic ‘pdftotext’ ? Something (maybe ML-driven) that would handle tables, rows of text ...

mastodon.social·27w

<p>Magika 1.0 is released, available in Rust, TypeScript and Python, and supporting more than 200 file types.</p><p>Public blog post: <a href="https://open...

mastodon.social·28w

<p>If you’re into malware analysis, you should really give Malcat a try. A clever all-in-one tool with hex and structure views, disasm and decomp, integrat...

mastodon.social·32w

<p>Is there a good source for sets of non malicious executables? categorized and with some variety, across platforms, languages...?</p>

mastodon.social·32w

<p>Grab your @phrack copy (beautiful 150 page color print) at @nullcon’s registration booth!</p>

mastodon.social·37w

<p>Bash script injection in a JPEG: <a href="https://hackers-arise.com/the-one-man-apt-part-i-a-picture-that-can-execute-code-on-the-target/" target="_blan...

mastodon.social·38w

<p>I had a minor printing problem with an article where the last few letters of the longest lines of text were missing. It was a small mental puzzle every ...

mastodon.social·50w

<p>QQ: what&#39;s your favorite PDF analysis tool [for malicious files or &#39;standard&#39; ones]? (besides peepdf / Stevens&#39; PDF parser+id / VeraPDF)...

mastodon.social·58w

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