DEF CON CTF Qualifier 2026
DEF CON CTF Qualifier 2026 🚩 myfavoriteinstructions We started by analyzing the binary, which was a stripped 64-bit ELF. The binary was composed of two main functions: main and a function that IDA could not decompile due to its length. The latter was composed mainly of bsr, bzhi, and mov instructions and contained very few control flow branches. Our first hypothesis was that the code had been generated by an algorithm to make the main function difficult to analyze with classic decompilers (we also observed that the .text section was about 250KB). ...