hackArcana
@hackarcana.bsky.social
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Train your Hands-on Cybersecurity Skills โ
https://hackArcana.com
๐จ Learning C/C++? Beware of this classic trap: unspecified argument evaluation order! Different compilers = different results See why a specific tiny piece of code can behave wildly differently here
hackarcana.com/code-print
10 months ago
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๐ข Itโs not too late to join us! The Mastering Binary Files and Protocols workshop starts tomorrow (Apr 8) at 6pm CEST. If you sign up today, youโll still get: โ A spot in all of the live sessions โ Full access to all recordings โ 10% off with code MBF-HBS-10 Register here:
hackarcana.com/bin
10 months ago
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๐7 benefits of joining Mastering Binary Files and Protocols ๐ โ๏ธ Real binary skills โ๏ธ Faster debugging โ๏ธ Security mindset โ๏ธ Independence โ๏ธ Career boost โ๏ธ Problem-solving โ๏ธ Data insight ๐๏ธ Starts April 8 ๐ฅ Live sessions + downloadable recordings ๐ธ MBF-HBS-10 = 10% off until April 7 ๐
hackarcana.com/bin
10 months ago
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Come tonight at 7PM CEST! If you're into: ๐ง reverse engineering ๐ understanding how things work ๐งฉ solving CTF-style puzzles โ you'll love this session with
@gynvael.bsky.social
! ๐ด
www.youtube.com/live/xVrxfEk...
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๐ฎ Live CTF: Solving "Gamepad" from Gynvaelโs Collection | hackArcana Challenge
YouTube video by GynvaelEN
https://www.youtube.com/live/xVrxfEkklzI
10 months ago
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๐จ Last hours to join our free webinar with a legend โ Gynvael Coldwind! Whatโs inside? โข Real file handling mistakes โข Weird path behavior โข Hackerโs perspective on files โข Even a bit of forensics ๐ ๐งฉ Perfect for devs, admins, hackers & the curious. โณ Timeโs running out โ
hexarcana.ch/lp/files
10 months ago
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What will you learn in this webinar? ๐งฉ What is a fileโreally? ๐ง Hidden file features & common dev mistakes ๐ Weird world of file paths (yes, it gets strange) ๐ A glimpse into digital forensics ๐ March 31 | โฐ 8 PM CEST | ๐ธ Free Save your spot ๐
hexarcana.ch/lp/files/
and see you on Monday!
10 months ago
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๐จ <script> isnโt just textโitโs a command! Want it to show up in HTML? You have to escape it: โ <script> โ <script> Escaping keeps hackers out and your code clean ๐ Learn why it matters & how it works in our latest article ๐ ๐ Read here:
hackarcana.com/article/why-...
11 months ago
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reposted by
hackArcana
Gynvael Coldwind
11 months ago
If you like CTF challenges, we've been steadily pushing some of my favorite tasks to my new edu site:
hackarcana.com/exercises
From top to bottom: Linux RE, 2x JS RE, USB PCAP, ZIP/crypto, DOS/VGA RE, 2x BMP image stegano, 5x BMP file format stegano, Python 2.7 RE, and ROP RE HFGL
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Did you know pressing CTRL+D can make some C++ programs crash or loop forever? ๐คฏ Thatโs because cin enters an error state instead of truly โclosingโ input. Most apps handle it wellโbut not all ๐ Want to see why? Read our recent article ๐
hackarcana.com/article/ctrl...
11 months ago
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We've published a new article! โจ๏ธ Linux Terminal: CTRL+D is like pressing ENTER
hackarcana.com/article/ctrl...
Enjoy!
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https://hackarcana.com/article/ctrl-d-is-like-enter?utm=
11 months ago
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Pro tip for protocol hand-crafting lovers: Having problems sending \r\n on Linux? Press CTRL+V to escape the next key press, and follow it up with ENTER to get \r. CTRL+V, ENTER, ENTER โ \r\n
11 months ago
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โ ๏ธ Sanitizing input is tricky! Removing unwanted HTML tags prevents XSS, but wonโt stop SQL injections. To keep your app safe, use validation, escaping, and sanitization where they belong ๐ ๐ Read more here:
hackarcana.com/article/sani...
11 months ago
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We've got 200% increase in players overnight! Well, yes, it's 2โ4 on the scoreboard, but we're just starting :) And we have more challenges on the way, a lot more!
11 months ago
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For your enjoyment we're slowly adding
@gynvael.bsky.social
old challenges to our archive:
hackarcana.com/exercises
Slowly... becuase we test each one and re-flag them. Some fun ones are yet to come! Enjoy! P.S. If you like scoreboards, here's a chance to grab top1 easily.
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https://hackarcana.com/exercises
11 months ago
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๐ New blog post on hackArcana! Learn about: ๐น Validation vs. escaping vs. filtering ๐น When to use each method ๐น Common input handling mistakes ๐ Read here:
hackarcana.com/article/sani...
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https://hackarcana.com/article/sanitization-and-validation-and-escaping-oh-my
11 months ago
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Hey everyone! ๐ This is the official account of
hackarcana.com
โ the educational portal from HexArcana Cybersecurity (
hexarcana.ch
). If you want to up your skills in hands-on cybersec, click follow!
11 months ago
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