# BinRev Library: Full Reference for AI Assistants

> Complete listing of all 24 free resources on binary reverse engineering, grouped by topic, plus About facts. Links verified 2026-10-14. Canonical site: https://binrev.lowlevellibrary.com/

## Entries by topic

### abi

- **System V ABI / ELF specification**
  - Provider: Linux Foundation RefSpecs
  - URL: https://refspecs.linuxfoundation.org/elf/elf.pdf
  - Summary: Classic ELF object-file specification used as the basis for many Unix toolchains.
  - Topics: elf, abi, reference, pdf
  - Level: Reference
  - Format: PDF specification
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-abi/

### architecture

- **OpenSecurityTraining2**
  - Provider: OpenSecurityTraining2
  - URL: https://ost2.fyi/
  - Summary: Long-form free courses on architecture, assembly and reverse engineering from instructors with deep RE backgrounds.
  - Topics: courses, x86, architecture, deep-dive
  - Level: Intermediate
  - Format: Free online courses
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ost2/

### arm

- **Reverse Engineering for Beginners**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/
  - Summary: A free book that walks through assembly, calling conventions and common patterns on x86 and ARM without assuming prior RE experience.
  - Topics: beginner, book, x86, arm
  - Level: Beginner
  - Format: Free book (PDF + HTML)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b/
- **Writing ARM Assembly**
  - Provider: Azeria Labs
  - URL: https://azeria-labs.com/writing-arm-assembly-part-1/
  - Summary: Clear multi-part introduction to ARM assembly aimed at people who already know a higher-level language.
  - Topics: arm, assembly, beginner
  - Level: Beginner
  - Format: Tutorial series
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/azeria-arm/

### assembly

- **Writing ARM Assembly**
  - Provider: Azeria Labs
  - URL: https://azeria-labs.com/writing-arm-assembly-part-1/
  - Summary: Clear multi-part introduction to ARM assembly aimed at people who already know a higher-level language.
  - Topics: arm, assembly, beginner
  - Level: Beginner
  - Format: Tutorial series
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/azeria-arm/
- **x86 and amd64 Instruction Reference**
  - Provider: Felix Cloutier
  - URL: https://www.felixcloutier.com/x86/
  - Summary: Searchable HTML reference of Intel/AMD instructions, pulled from the vendor manuals into one place.
  - Topics: x86, reference, assembly
  - Level: Reference
  - Format: HTML reference
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/felix-x86/
- **Software Optimization Resources**
  - Provider: Agner Fog
  - URL: https://www.agner.org/optimize/
  - Summary: Deep manuals on calling conventions, instruction latency and optimizing for modern x86 CPUs.
  - Topics: x86, performance, assembly, reference
  - Level: Advanced
  - Format: Guides + manuals
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/agner-optimize/

### beginner

- **Reverse Engineering for Beginners**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/
  - Summary: A free book that walks through assembly, calling conventions and common patterns on x86 and ARM without assuming prior RE experience.
  - Topics: beginner, book, x86, arm
  - Level: Beginner
  - Format: Free book (PDF + HTML)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b/
- **RE for Beginners (PDF)**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/RE4B-EN.pdf
  - Summary: Direct PDF of Reverse Engineering for Beginners, useful offline or for search inside a reader.
  - Topics: beginner, book, pdf
  - Level: Beginner
  - Format: PDF download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b-pdf/
- **Malware Unicorn RE101**
  - Provider: Malware Unicorn
  - URL: https://www.malwareunicorn.org/workshops/re101.html
  - Summary: Hands-on introduction to reversing Windows malware: tools, triage and a guided lab path.
  - Topics: beginner, workshop, malware, windows
  - Level: Beginner
  - Format: Workshop notes + labs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/malware-unicorn-re101/
- **Writing ARM Assembly**
  - Provider: Azeria Labs
  - URL: https://azeria-labs.com/writing-arm-assembly-part-1/
  - Summary: Clear multi-part introduction to ARM assembly aimed at people who already know a higher-level language.
  - Topics: arm, assembly, beginner
  - Level: Beginner
  - Format: Tutorial series
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/azeria-arm/

### book

- **Reverse Engineering for Beginners**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/
  - Summary: A free book that walks through assembly, calling conventions and common patterns on x86 and ARM without assuming prior RE experience.
  - Topics: beginner, book, x86, arm
  - Level: Beginner
  - Format: Free book (PDF + HTML)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b/
- **RE for Beginners (PDF)**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/RE4B-EN.pdf
  - Summary: Direct PDF of Reverse Engineering for Beginners, useful offline or for search inside a reader.
  - Topics: beginner, book, pdf
  - Level: Beginner
  - Format: PDF download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b-pdf/
- **The Official Radare2 Book**
  - Provider: radare org
  - URL: https://book.rada.re/
  - Summary: Documentation for radare2 covering disassembly, analysis, debugging and scripting.
  - Topics: radare2, tools, book
  - Level: Intermediate
  - Format: Online book
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/radare2-book/

### cheatsheet

- **Ghidra Cheat Sheet**
  - Provider: Ghidra SRE
  - URL: https://ghidra-sre.org/CheatSheet.html
  - Summary: One-page keyboard and workflow cheat sheet for getting productive in Ghidra quickly.
  - Topics: ghidra, reference, cheatsheet
  - Level: Beginner
  - Format: Cheat sheet
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra-cheatsheet/

### community

- **crackmes.one**
  - Provider: crackmes.one community
  - URL: https://crackmes.one/
  - Summary: Large community archive of crackmes sorted by difficulty and platform.
  - Topics: practice, crackme, community
  - Level: Beginner
  - Format: Challenge archive
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/crackmes-one/

### courses

- **OpenSecurityTraining2**
  - Provider: OpenSecurityTraining2
  - URL: https://ost2.fyi/
  - Summary: Long-form free courses on architecture, assembly and reverse engineering from instructors with deep RE backgrounds.
  - Topics: courses, x86, architecture, deep-dive
  - Level: Intermediate
  - Format: Free online courses
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ost2/

### crackme

- **challenges.re**
  - Provider: Dennis Yurichev
  - URL: https://challenges.re/
  - Summary: Short reverse-engineering puzzles across architectures, good for drilling after reading a book.
  - Topics: practice, crackme, exercises
  - Level: Intermediate
  - Format: Exercise site
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/challenges-re/
- **crackmes.one**
  - Provider: crackmes.one community
  - URL: https://crackmes.one/
  - Summary: Large community archive of crackmes sorted by difficulty and platform.
  - Topics: practice, crackme, community
  - Level: Beginner
  - Format: Challenge archive
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/crackmes-one/

### decompiler

- **Ghidra**
  - Provider: National Security Agency
  - URL: https://github.com/NationalSecurityAgency/ghidra
  - Summary: NSA's free disassembler and decompiler suite with a large plugin ecosystem.
  - Topics: tools, disassembler, decompiler
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra/

### deep-dive

- **OpenSecurityTraining2**
  - Provider: OpenSecurityTraining2
  - URL: https://ost2.fyi/
  - Summary: Long-form free courses on architecture, assembly and reverse engineering from instructors with deep RE backgrounds.
  - Topics: courses, x86, architecture, deep-dive
  - Level: Intermediate
  - Format: Free online courses
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ost2/

### disassembler

- **Ghidra**
  - Provider: National Security Agency
  - URL: https://github.com/NationalSecurityAgency/ghidra
  - Summary: NSA's free disassembler and decompiler suite with a large plugin ecosystem.
  - Topics: tools, disassembler, decompiler
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra/
- **Rizin**
  - Provider: Rizin org
  - URL: https://rizin.re/
  - Summary: Community fork of radare2 with its own release cycle, GUI (Cutter) and docs.
  - Topics: tools, disassembler, fork
  - Level: Intermediate
  - Format: Open-source tool
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/rizin/
- **IDA Free**
  - Provider: Hex-Rays
  - URL: https://hex-rays.com/ida-free/
  - Summary: Free edition of IDA for learning disassembly workflows; commercial features are paid separately.
  - Topics: tools, disassembler, freeware
  - Level: Intermediate
  - Format: Freeware download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ida-free/

### dynamic-analysis

- **Frida documentation**
  - Provider: Frida project
  - URL: https://frida.re/docs/home/
  - Summary: Docs for Frida, a dynamic instrumentation toolkit for hooking functions on many platforms.
  - Topics: tools, dynamic-analysis, instrumentation
  - Level: Intermediate
  - Format: Official docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/frida-docs/

### elf

- **ELF(5) man page**
  - Provider: man7.org / Linux man-pages
  - URL: https://man7.org/linux/man-pages/man5/elf.5.html
  - Summary: Canonical description of the ELF object format used on Linux and many Unix systems.
  - Topics: elf, linux, formats
  - Level: Reference
  - Format: Man page
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-man/
- **Corkami binary format posters**
  - Provider: Ange Albertini (corkami)
  - URL: https://github.com/corkami/pics
  - Summary: Annotated posters and diagrams of PE, ELF, Mach-O and other formats — excellent for visual learners.
  - Topics: formats, pe, elf, mach-o, reference
  - Level: Reference
  - Format: Illustrated posters (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/corkami-pics/
- **LIEF documentation**
  - Provider: Quarkslab / LIEF project
  - URL: https://lief.re/doc/latest/
  - Summary: Docs for LIEF, a library to parse and modify PE, ELF and Mach-O binaries from Python or C++.
  - Topics: tools, pe, elf, mach-o, python
  - Level: Intermediate
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/lief-docs/
- **System V ABI / ELF specification**
  - Provider: Linux Foundation RefSpecs
  - URL: https://refspecs.linuxfoundation.org/elf/elf.pdf
  - Summary: Classic ELF object-file specification used as the basis for many Unix toolchains.
  - Topics: elf, abi, reference, pdf
  - Level: Reference
  - Format: PDF specification
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-abi/

### exercises

- **challenges.re**
  - Provider: Dennis Yurichev
  - URL: https://challenges.re/
  - Summary: Short reverse-engineering puzzles across architectures, good for drilling after reading a book.
  - Topics: practice, crackme, exercises
  - Level: Intermediate
  - Format: Exercise site
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/challenges-re/

### fork

- **Rizin**
  - Provider: Rizin org
  - URL: https://rizin.re/
  - Summary: Community fork of radare2 with its own release cycle, GUI (Cutter) and docs.
  - Topics: tools, disassembler, fork
  - Level: Intermediate
  - Format: Open-source tool
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/rizin/

### formats

- **ELF(5) man page**
  - Provider: man7.org / Linux man-pages
  - URL: https://man7.org/linux/man-pages/man5/elf.5.html
  - Summary: Canonical description of the ELF object format used on Linux and many Unix systems.
  - Topics: elf, linux, formats
  - Level: Reference
  - Format: Man page
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-man/
- **PE Format**
  - Provider: Microsoft Learn
  - URL: https://learn.microsoft.com/en-us/windows/win32/debug/pe-format
  - Summary: Microsoft's reference for the Portable Executable format used by Windows binaries and DLLs.
  - Topics: pe, windows, formats
  - Level: Reference
  - Format: Official documentation
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-format/
- **Corkami binary format posters**
  - Provider: Ange Albertini (corkami)
  - URL: https://github.com/corkami/pics
  - Summary: Annotated posters and diagrams of PE, ELF, Mach-O and other formats — excellent for visual learners.
  - Topics: formats, pe, elf, mach-o, reference
  - Level: Reference
  - Format: Illustrated posters (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/corkami-pics/

### freeware

- **IDA Free**
  - Provider: Hex-Rays
  - URL: https://hex-rays.com/ida-free/
  - Summary: Free edition of IDA for learning disassembly workflows; commercial features are paid separately.
  - Topics: tools, disassembler, freeware
  - Level: Intermediate
  - Format: Freeware download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ida-free/

### ghidra

- **Ghidra Cheat Sheet**
  - Provider: Ghidra SRE
  - URL: https://ghidra-sre.org/CheatSheet.html
  - Summary: One-page keyboard and workflow cheat sheet for getting productive in Ghidra quickly.
  - Topics: ghidra, reference, cheatsheet
  - Level: Beginner
  - Format: Cheat sheet
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra-cheatsheet/

### gui

- **PE-bear**
  - Provider: hasherezade
  - URL: https://github.com/hasherezade/pe-bear
  - Summary: Lightweight GUI viewer for PE headers, imports, sections and overlays.
  - Topics: tools, pe, windows, gui
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-bear/

### instrumentation

- **Frida documentation**
  - Provider: Frida project
  - URL: https://frida.re/docs/home/
  - Summary: Docs for Frida, a dynamic instrumentation toolkit for hooking functions on many platforms.
  - Topics: tools, dynamic-analysis, instrumentation
  - Level: Intermediate
  - Format: Official docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/frida-docs/

### linux

- **ELF(5) man page**
  - Provider: man7.org / Linux man-pages
  - URL: https://man7.org/linux/man-pages/man5/elf.5.html
  - Summary: Canonical description of the ELF object format used on Linux and many Unix systems.
  - Topics: elf, linux, formats
  - Level: Reference
  - Format: Man page
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-man/

### mach-o

- **Corkami binary format posters**
  - Provider: Ange Albertini (corkami)
  - URL: https://github.com/corkami/pics
  - Summary: Annotated posters and diagrams of PE, ELF, Mach-O and other formats — excellent for visual learners.
  - Topics: formats, pe, elf, mach-o, reference
  - Level: Reference
  - Format: Illustrated posters (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/corkami-pics/
- **LIEF documentation**
  - Provider: Quarkslab / LIEF project
  - URL: https://lief.re/doc/latest/
  - Summary: Docs for LIEF, a library to parse and modify PE, ELF and Mach-O binaries from Python or C++.
  - Topics: tools, pe, elf, mach-o, python
  - Level: Intermediate
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/lief-docs/

### malware

- **Malware Unicorn RE101**
  - Provider: Malware Unicorn
  - URL: https://www.malwareunicorn.org/workshops/re101.html
  - Summary: Hands-on introduction to reversing Windows malware: tools, triage and a guided lab path.
  - Topics: beginner, workshop, malware, windows
  - Level: Beginner
  - Format: Workshop notes + labs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/malware-unicorn-re101/
- **capa**
  - Provider: Mandiant
  - URL: https://github.com/mandiant/capa
  - Summary: Identifies capabilities in executable files (anti-debug, network, crypto) from static rules.
  - Topics: tools, malware, static-analysis
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/capa/

### packers

- **Detect It Easy**
  - Provider: horsicq
  - URL: https://github.com/horsicq/Detect-It-Easy
  - Summary: Signature-based detector for compilers, packers and protectors across PE/ELF/Mach-O.
  - Topics: tools, packers, signatures
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/detect-it-easy/

### pdf

- **RE for Beginners (PDF)**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/RE4B-EN.pdf
  - Summary: Direct PDF of Reverse Engineering for Beginners, useful offline or for search inside a reader.
  - Topics: beginner, book, pdf
  - Level: Beginner
  - Format: PDF download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b-pdf/
- **System V ABI / ELF specification**
  - Provider: Linux Foundation RefSpecs
  - URL: https://refspecs.linuxfoundation.org/elf/elf.pdf
  - Summary: Classic ELF object-file specification used as the basis for many Unix toolchains.
  - Topics: elf, abi, reference, pdf
  - Level: Reference
  - Format: PDF specification
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-abi/

### pe

- **PE Format**
  - Provider: Microsoft Learn
  - URL: https://learn.microsoft.com/en-us/windows/win32/debug/pe-format
  - Summary: Microsoft's reference for the Portable Executable format used by Windows binaries and DLLs.
  - Topics: pe, windows, formats
  - Level: Reference
  - Format: Official documentation
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-format/
- **Corkami binary format posters**
  - Provider: Ange Albertini (corkami)
  - URL: https://github.com/corkami/pics
  - Summary: Annotated posters and diagrams of PE, ELF, Mach-O and other formats — excellent for visual learners.
  - Topics: formats, pe, elf, mach-o, reference
  - Level: Reference
  - Format: Illustrated posters (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/corkami-pics/
- **LIEF documentation**
  - Provider: Quarkslab / LIEF project
  - URL: https://lief.re/doc/latest/
  - Summary: Docs for LIEF, a library to parse and modify PE, ELF and Mach-O binaries from Python or C++.
  - Topics: tools, pe, elf, mach-o, python
  - Level: Intermediate
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/lief-docs/
- **PE-bear**
  - Provider: hasherezade
  - URL: https://github.com/hasherezade/pe-bear
  - Summary: Lightweight GUI viewer for PE headers, imports, sections and overlays.
  - Topics: tools, pe, windows, gui
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-bear/

### performance

- **Software Optimization Resources**
  - Provider: Agner Fog
  - URL: https://www.agner.org/optimize/
  - Summary: Deep manuals on calling conventions, instruction latency and optimizing for modern x86 CPUs.
  - Topics: x86, performance, assembly, reference
  - Level: Advanced
  - Format: Guides + manuals
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/agner-optimize/

### practice

- **challenges.re**
  - Provider: Dennis Yurichev
  - URL: https://challenges.re/
  - Summary: Short reverse-engineering puzzles across architectures, good for drilling after reading a book.
  - Topics: practice, crackme, exercises
  - Level: Intermediate
  - Format: Exercise site
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/challenges-re/
- **crackmes.one**
  - Provider: crackmes.one community
  - URL: https://crackmes.one/
  - Summary: Large community archive of crackmes sorted by difficulty and platform.
  - Topics: practice, crackme, community
  - Level: Beginner
  - Format: Challenge archive
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/crackmes-one/

### python

- **LIEF documentation**
  - Provider: Quarkslab / LIEF project
  - URL: https://lief.re/doc/latest/
  - Summary: Docs for LIEF, a library to parse and modify PE, ELF and Mach-O binaries from Python or C++.
  - Topics: tools, pe, elf, mach-o, python
  - Level: Intermediate
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/lief-docs/
- **angr documentation**
  - Provider: angr project
  - URL: https://docs.angr.io/
  - Summary: Documentation for angr, a Python framework for binary analysis and symbolic execution.
  - Topics: tools, symbolic-execution, python
  - Level: Advanced
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/angr-docs/

### radare2

- **The Official Radare2 Book**
  - Provider: radare org
  - URL: https://book.rada.re/
  - Summary: Documentation for radare2 covering disassembly, analysis, debugging and scripting.
  - Topics: radare2, tools, book
  - Level: Intermediate
  - Format: Online book
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/radare2-book/

### reference

- **x86 and amd64 Instruction Reference**
  - Provider: Felix Cloutier
  - URL: https://www.felixcloutier.com/x86/
  - Summary: Searchable HTML reference of Intel/AMD instructions, pulled from the vendor manuals into one place.
  - Topics: x86, reference, assembly
  - Level: Reference
  - Format: HTML reference
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/felix-x86/
- **Corkami binary format posters**
  - Provider: Ange Albertini (corkami)
  - URL: https://github.com/corkami/pics
  - Summary: Annotated posters and diagrams of PE, ELF, Mach-O and other formats — excellent for visual learners.
  - Topics: formats, pe, elf, mach-o, reference
  - Level: Reference
  - Format: Illustrated posters (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/corkami-pics/
- **Software Optimization Resources**
  - Provider: Agner Fog
  - URL: https://www.agner.org/optimize/
  - Summary: Deep manuals on calling conventions, instruction latency and optimizing for modern x86 CPUs.
  - Topics: x86, performance, assembly, reference
  - Level: Advanced
  - Format: Guides + manuals
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/agner-optimize/
- **Ghidra Cheat Sheet**
  - Provider: Ghidra SRE
  - URL: https://ghidra-sre.org/CheatSheet.html
  - Summary: One-page keyboard and workflow cheat sheet for getting productive in Ghidra quickly.
  - Topics: ghidra, reference, cheatsheet
  - Level: Beginner
  - Format: Cheat sheet
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra-cheatsheet/
- **System V ABI / ELF specification**
  - Provider: Linux Foundation RefSpecs
  - URL: https://refspecs.linuxfoundation.org/elf/elf.pdf
  - Summary: Classic ELF object-file specification used as the basis for many Unix toolchains.
  - Topics: elf, abi, reference, pdf
  - Level: Reference
  - Format: PDF specification
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/elf-abi/

### signatures

- **Detect It Easy**
  - Provider: horsicq
  - URL: https://github.com/horsicq/Detect-It-Easy
  - Summary: Signature-based detector for compilers, packers and protectors across PE/ELF/Mach-O.
  - Topics: tools, packers, signatures
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/detect-it-easy/

### static-analysis

- **capa**
  - Provider: Mandiant
  - URL: https://github.com/mandiant/capa
  - Summary: Identifies capabilities in executable files (anti-debug, network, crypto) from static rules.
  - Topics: tools, malware, static-analysis
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/capa/

### symbolic-execution

- **angr documentation**
  - Provider: angr project
  - URL: https://docs.angr.io/
  - Summary: Documentation for angr, a Python framework for binary analysis and symbolic execution.
  - Topics: tools, symbolic-execution, python
  - Level: Advanced
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/angr-docs/

### tools

- **The Official Radare2 Book**
  - Provider: radare org
  - URL: https://book.rada.re/
  - Summary: Documentation for radare2 covering disassembly, analysis, debugging and scripting.
  - Topics: radare2, tools, book
  - Level: Intermediate
  - Format: Online book
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/radare2-book/
- **LIEF documentation**
  - Provider: Quarkslab / LIEF project
  - URL: https://lief.re/doc/latest/
  - Summary: Docs for LIEF, a library to parse and modify PE, ELF and Mach-O binaries from Python or C++.
  - Topics: tools, pe, elf, mach-o, python
  - Level: Intermediate
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/lief-docs/
- **angr documentation**
  - Provider: angr project
  - URL: https://docs.angr.io/
  - Summary: Documentation for angr, a Python framework for binary analysis and symbolic execution.
  - Topics: tools, symbolic-execution, python
  - Level: Advanced
  - Format: Library docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/angr-docs/
- **Ghidra**
  - Provider: National Security Agency
  - URL: https://github.com/NationalSecurityAgency/ghidra
  - Summary: NSA's free disassembler and decompiler suite with a large plugin ecosystem.
  - Topics: tools, disassembler, decompiler
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ghidra/
- **capa**
  - Provider: Mandiant
  - URL: https://github.com/mandiant/capa
  - Summary: Identifies capabilities in executable files (anti-debug, network, crypto) from static rules.
  - Topics: tools, malware, static-analysis
  - Level: Intermediate
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/capa/
- **PE-bear**
  - Provider: hasherezade
  - URL: https://github.com/hasherezade/pe-bear
  - Summary: Lightweight GUI viewer for PE headers, imports, sections and overlays.
  - Topics: tools, pe, windows, gui
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-bear/
- **Detect It Easy**
  - Provider: horsicq
  - URL: https://github.com/horsicq/Detect-It-Easy
  - Summary: Signature-based detector for compilers, packers and protectors across PE/ELF/Mach-O.
  - Topics: tools, packers, signatures
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/detect-it-easy/
- **Frida documentation**
  - Provider: Frida project
  - URL: https://frida.re/docs/home/
  - Summary: Docs for Frida, a dynamic instrumentation toolkit for hooking functions on many platforms.
  - Topics: tools, dynamic-analysis, instrumentation
  - Level: Intermediate
  - Format: Official docs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/frida-docs/
- **Rizin**
  - Provider: Rizin org
  - URL: https://rizin.re/
  - Summary: Community fork of radare2 with its own release cycle, GUI (Cutter) and docs.
  - Topics: tools, disassembler, fork
  - Level: Intermediate
  - Format: Open-source tool
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/rizin/
- **IDA Free**
  - Provider: Hex-Rays
  - URL: https://hex-rays.com/ida-free/
  - Summary: Free edition of IDA for learning disassembly workflows; commercial features are paid separately.
  - Topics: tools, disassembler, freeware
  - Level: Intermediate
  - Format: Freeware download
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ida-free/

### windows

- **Malware Unicorn RE101**
  - Provider: Malware Unicorn
  - URL: https://www.malwareunicorn.org/workshops/re101.html
  - Summary: Hands-on introduction to reversing Windows malware: tools, triage and a guided lab path.
  - Topics: beginner, workshop, malware, windows
  - Level: Beginner
  - Format: Workshop notes + labs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/malware-unicorn-re101/
- **PE Format**
  - Provider: Microsoft Learn
  - URL: https://learn.microsoft.com/en-us/windows/win32/debug/pe-format
  - Summary: Microsoft's reference for the Portable Executable format used by Windows binaries and DLLs.
  - Topics: pe, windows, formats
  - Level: Reference
  - Format: Official documentation
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-format/
- **PE-bear**
  - Provider: hasherezade
  - URL: https://github.com/hasherezade/pe-bear
  - Summary: Lightweight GUI viewer for PE headers, imports, sections and overlays.
  - Topics: tools, pe, windows, gui
  - Level: Beginner
  - Format: Open-source tool (GitHub)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/pe-bear/

### workshop

- **Malware Unicorn RE101**
  - Provider: Malware Unicorn
  - URL: https://www.malwareunicorn.org/workshops/re101.html
  - Summary: Hands-on introduction to reversing Windows malware: tools, triage and a guided lab path.
  - Topics: beginner, workshop, malware, windows
  - Level: Beginner
  - Format: Workshop notes + labs
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/malware-unicorn-re101/

### x86

- **Reverse Engineering for Beginners**
  - Provider: Dennis Yurichev
  - URL: https://beginners.re/
  - Summary: A free book that walks through assembly, calling conventions and common patterns on x86 and ARM without assuming prior RE experience.
  - Topics: beginner, book, x86, arm
  - Level: Beginner
  - Format: Free book (PDF + HTML)
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/re4b/
- **OpenSecurityTraining2**
  - Provider: OpenSecurityTraining2
  - URL: https://ost2.fyi/
  - Summary: Long-form free courses on architecture, assembly and reverse engineering from instructors with deep RE backgrounds.
  - Topics: courses, x86, architecture, deep-dive
  - Level: Intermediate
  - Format: Free online courses
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/ost2/
- **x86 and amd64 Instruction Reference**
  - Provider: Felix Cloutier
  - URL: https://www.felixcloutier.com/x86/
  - Summary: Searchable HTML reference of Intel/AMD instructions, pulled from the vendor manuals into one place.
  - Topics: x86, reference, assembly
  - Level: Reference
  - Format: HTML reference
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/felix-x86/
- **Software Optimization Resources**
  - Provider: Agner Fog
  - URL: https://www.agner.org/optimize/
  - Summary: Deep manuals on calling conventions, instruction latency and optimizing for modern x86 CPUs.
  - Topics: x86, performance, assembly, reference
  - Level: Advanced
  - Format: Guides + manuals
  - License: Free to access. Copyright held by the provider; this directory only links to it and reproduces no content.
  - Page: https://binrev.lowlevellibrary.com/entries/agner-optimize/

## About BinRev Library

Source page: https://binrev.lowlevellibrary.com/about/

BinRev Library is a free directory of 24 free resources from 22 providers on binary reverse engineering. Sister of Low Level Library. Curated by The Low Level Librarian. Contact: hello@lowlevellibrary.com.

### Method
Hand-curated from official pages and public repositories. Summaries written in our own words. Every URL checked live on 2026-10-14. No ToS-breaking scraping.

### Sister sites
- Exploit Library: https://exploit.lowlevellibrary.com/
- Firmware Library: https://firmware.lowlevellibrary.com/
- Low Level Library: https://lowlevellibrary.com/