fuzzing-dictionary

SKILL.md

A fuzzing dictionary provides domain-specific tokens to guide the fuzzer toward interesting inputs. Instead of purely random mutations, the fuzzer incorporates known keywords, magic numbers, protocol commands, and format-specific strings that are more likely to reach deeper code paths in parsers, protocol handlers, and file format processors.

Dictionaries are text files containing quoted strings that represent meaningful tokens for your target. They help fuzzers bypass early validation checks and explore code paths that would be difficult to reach through blind mutation alone.

| Dictionary Entry | A quoted string (e.g., "keyword") or key-value pair (e.g., kw="value") | | Hex Escapes | Byte sequences like "\xF7\xF8" for non-printable characters | | Token Injection | Fuzzer inserts dictionary entries into generated inputs | | Cross-Fuzzer Format | Dictionary files work with libFuzzer, AFL++, and cargo-fuzz |

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