Nikita Firsov has extensive experience in ^asm development from userspace to x86 bootloader. He has developed obfuscations and protectors at both assembly and machine instruction levels. Nikita is well‑versed in Intel’s documented x86 instructions encoding format, and is able to write in zeros and ones as well as decode shellcodes by ear, manually and automatically apply self‑modification code, vectorization, generate nop deadblocks, opaque predicates, flattening obfuscation, etc.