Hacker News with Generative AI: File Formats

Hackers use ZIP file concatenation to evade detection (bleepingcomputer.com)
Hackers are targeting Windows machines using the ZIP file concatenation technique to deliver malicious payloads in compressed archives without security solutions detecting them.

Cybersecurity, Malware, Windows, Security, File Formats

207 points by sandwichsphinx 11 days ago | 105 comments

Maximum best compression for binary data: xz (LZMA) vs. ZSTD vs. 7z vs. bzip2 (dwaves.de)
once upon a time, compressing massive amounts of binary was required.

Compression, File Formats, Software, Performance

8 points by delduca 35 days ago | 4 comments

Ask HN: Why is PDF still king? (ycombinator.com)
As the title suggests, why is the PDF document the go-to file when it comes to sharing documents? Why hasn't there been a widespread adoption for a document standard that's more interactive (videos, code, visualizations etc...)?

Technology, File Formats, Document Sharing, Web Standards

14 points by ata_aman 40 days ago | 13 comments

Rga: Ripgrep, but also search in PDFs, E-Books, Office documents, zip, etc. (github.com/phiresky)
rga is a line-oriented search tool that allows you to look for a regex in a multitude of file types. rga wraps the awesome ripgrep and enables it to search in pdf, docx, sqlite, jpg, movie subtitles (mkv, mp4), etc.

Search Tools, Software, Text Processing, File Formats, Open Source

516 points by bukacdan 65 days ago | 57 comments

Interval parsing grammars for file format parsing (2023) (dl.acm.org)

File Formats, Programming Languages, Parsing, Computer Science

108 points by fanf2 103 days ago | 24 comments

Visualizing Entropy in Binary Files (2012) (corte.si)

Data Visualization, Entropy, File Formats

6 points by Bluestein 119 days ago | 3 comments

Windows 11 now supports 7-zip and TAR files (xda-developers.com)

Windows, Operating Systems, Software Updates, Compression, File Formats

28 points by miles 187 days ago | 10 comments

Wuffs: Wrangling Untrusted File Formats Safely (github.com/google)

Security, Programming Languages, Software, File Formats

279 points by nequo 189 days ago | 68 comments

The Nimble File Format by Meta (github.com/facebookexternal)

File Formats, Meta, Programming, Software

52 points by zzulus 210 days ago | 21 comments