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Search Fuzzer , found 14 results

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AFL++ Multi-Core Fuzzer

trailofbits/skills

AFL++ is an advanced fork of AFL that runs multi-core campaigns, supports diverse mutations, and targets large C/C++ codebases with stable tooling via Docker or host builds.

Python Atheris Fuzzer

trailofbits/skills

Atheris is a coverage-guided Python fuzzer built on libFuzzer for fuzzing pure Python code and C extensions, with AddressSanitizer support to catch memory corruption and an easy harness setup for command-line fuzz runs.

Python Atheris Fuzzer

trailofbits/skills

Atheris is a coverage-guided Python fuzzer built on libFuzzer for fuzzing pure Python code and C extensions, with AddressSanitizer support to catch memory corruption and an easy harness setup for command-line fuzz runs.

Cargo Fuzz Guide

trailofbits/skills

cargo-fuzz provides a Cargo subcommand that lets Rust projects fuzz with libFuzzer, automating sanitizer flags, corpus/dictionary handling, crash replay, coverage reports, and harness rules, so teams can quickly validate unsafe-aware code.

Guided Fuzzing Dictionary

fuzzing-dictionary

trailofbits/skills

Fuzzing Dictionary supplies domain-specific tokens to guide fuzzers when targeting parsers, protocols, configs, or file formats so they reach deeper logic; include magic bytes, headers, keywords, and combine generation from LLMs, headers, or binaries before passing via the fuzzer flag.

Overcoming Fuzzing Obstacles

fuzzing-obstacles

trailofbits/skills

Technique for bypassing checksums, PRNGs, and global-state guards during fuzzing by conditionally compiling test-only patches so the fuzzer can explore deeper code while production behavior stays unchanged.

Fuzzing Harness Writing

harness-writing

trailofbits/skills

Guides developers in crafting and refining fuzzing harnesses that parse random fuzzer input, validate data, and exercise targeted API paths to improve coverage and find reproducible bugs.

Modular Fuzzing Library

trailofbits/skills

LibAFL is a modular fuzzing library in Rust that exposes advanced mutators, feedback, objectives, and schedulers so you can build bespoke fuzzers or use it as a drop-in replacement for libFuzzer when targeting non-standard architectures or research experiments.

LibFuzzer Coverage Fuzzing

trailofbits/skills

LibFuzzer is LLVM’s in-process coverage-guided fuzzer for C/C++ projects compiled with Clang, providing a quick harness-based setup that can later transition to more advanced fuzzers while maintaining reproducible, high-throughput testing.

OSS-Fuzz Continuous Fuzzing

trailofbits/skills

OSS-Fuzz gives open-source teams free distributed infrastructure for continuous fuzz testing, letting you build Docker images, compile sanitizing fuzzers, run harnesses, and review coverage/bugs through the helper.py CLI instead of hosting your own servers.

Ruby Fuzzer Guide

trailofbits/skills

Ruzzy is a coverage-guided Ruby fuzzer leveraging libFuzzer to exercise both pure Ruby code and native C extensions; follow the provided installer, harness patterns, and sanitizer-aware runs to validate Ruby apps or gems for memory safety issues.

Crash Analysis and Exploitability Assessment

offensive-crash-analysis

SnailSploit/Claude-Red

This skill guides the comprehensive process of crash triage, enabling the assessment of vulnerability exploitability. It covers advanced techniques using debuggers (WinDbg/GDB), sanitizers (ASAN/MSAN), and interpreting low-level data like stack traces and register dumps. It is essential for vulnerability researchers analyzing crash dumps or fuzzer-generated failures to identify root causes and potential attack vectors.

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