Vm And Bytecode Reverse

When you hit a CTF challenge or malware sample with a custom VM interpreter, this walks you through the whole reversing process: finding the fetch-decode-execute dispatcher loop (switch-based, jump table, or if-chain), mapping opcodes to operations, extracting the bytecode blob, and writing a custom disassembler. It covers both stack-based and register-based VM architectures with opcode reference tables for common patterns, plus maze challenges that use position tracking and directional input. The disassembler templates are immediately useful since most VMs follow the same structural patterns even when obfuscated. If you've ever stared at a giant switch statement with 200 cases or tried to make sense of bytecode being fed into a handler table, the systematic opcode mapping approach here will save you hours of manual analysis.

Install to Claude Code

npx -y skills add yaklang/hack-skills --skill vm-and-bytecode-reverse --agent claude-code