aflplusplus

AFL++ is a modern AFL fork with stronger instrumentation, mutation strategies, and binary-only options.

Quick Start

# Build target with AFL++ wrappers
CC=afl-cc CXX=afl-c++ ./configure --disable-shared --disable-werror
make -j"$(nproc)"

# Fuzz stdin target
afl-fuzz -i seeds -o out -- ./target_bin

# Fuzz file-based target
afl-fuzz -i seeds -o out -- ./target_bin @@

Operator Flow (Recommended)