xorraxrax.bsky.social

@xorraxrax.bsky.social

Last December I solved @synacktiv.com 2025 Winter Challenge: Quinindrome bsky.app/profile/syna... . Here is a 81-byte Linux program which is both a quine (it prints itself when executed) and a palindrome (it is symmetrical)! To learn how I achieved it: github.com/fishilico/sy...

Screenshot of a terminal with a hexadecimal dump of a 81-byte Quinindrome:

$ ./solution_3_minimal.bin | xxd
00000000: 7f45 4c46 80cd 584b 80cd 51b2 4508 e1c1  .ELF..XK..Q.E...
00000010: 0200 0300 b904 0443 3900 0300 2c00 0000  .......C9...,...
00000020: 2c00 0000 0100 205e 5f5e 2000 0100 0000  ,..... ^_^ .....
00000030: 2c00 0000 2c00 0300 3943 0404 b900 0300  ,...,...9C......
00000040: 02c1 e108 45b2 51cd 804b 58cd 8046 4c45  ....E.Q..KX..FLE
00000050: 7f
Synacktiv@synacktiv.com · 9mo ago

Winter is here, it's time to test your assembly skills with the #Synacktiv Winter Challenge 🏂. A code golf competition that guarantees hours of intense x86 instruction optimization! 🔗 Participate here: www.synacktiv.com/en/publicati...