marco007 on 2026-02-11 16:08:
Due to me using CachyOS, after compilation it resulted in an x86-64-v4 binary, so the AVX-512 instruction set is "needed" but, it is not. You can simply strip ".note.gnu.property" from the binary
JuanPerias on 2026-02-23 22:58:
[Click to reveal]The password is: NAKED_SNAKE, I liked the trick with the XOR at the end. I used a separate C program that replicated the algorithm with the "encrypted key that is in the data.
SirWardrake on 2026-04-15 00:33:
solved, very easy
FLAG{CIPHER_ENCRYPTION} ;-)
If you run this in a VM and get error "CPU ISA level is lower than required" then run this in terminal:
objcopy --remove-section .note.gnu.property crackme
salamandragri on 2026-04-27 19:11:
[Click to reveal]NAKED_SNAKE