Open-source alternatives to Yara

Detect-It-Easy is a binary file identifier and analysis toolkit designed to determine file formats, compilers, and packers. It functions as a binary file identifier that utilizes signature matching and heuristic analysis to identify executable and archive formats. The project includes a custom file signature engine and a scriptable rule system for defining and applying detection logic to identify specific binary patterns. It features specialized detectors for Android packages, such as APK and DEX files, and a malware packer detector to identify protections, obfuscators, and virus families. T

This project is a graphical Windows debugger designed for the analysis and manipulation of compiled binary applications. It functions as a comprehensive binary analysis suite, providing a real-time environment for inspecting CPU registers, monitoring memory states, and tracing instruction execution to investigate system-level software behavior. The tool distinguishes itself through an event-driven debugging loop that allows for precise process control and state modification during runtime. It supports advanced analysis techniques, including hardware-breakpoint injection for monitoring memory

This project is a comprehensive, community-driven directory of open-source tools, datasets, and documentation for malware analysis and cybersecurity research. It serves as a centralized index for security professionals and researchers to locate resources for investigating, reverse engineering, and analyzing malicious software. The directory organizes information through a structured taxonomy, covering specialized domains such as memory forensics, network traffic inspection, and honeypot threat research. By aggregating links to external utilities and frameworks, it provides a platform-agnostic

de4dot is a .NET deobfuscator and unpacker designed to reverse obfuscation and restore readable code and metadata within .NET assemblies. It functions as a bytecode analyzer that simplifies control flow, strips anti-debugging protections, and extracts original payloads from packed executable wrappers. The project distinguishes itself through a modular deobfuscation pipeline and a sandbox environment used for dynamic string decryption, which executes decryption methods to replace encrypted strings with plain-text values. It can identify specific obfuscation tools through pattern-based binary a

radare2 is a reverse engineering framework and binary analysis toolset. It functions as a multi-architecture disassembler, low-level binary debugger, and hexadecimal editor for inspecting executable structures and interpreting machine code when original source files are unavailable. The framework provides capabilities for decompiling machine instructions, performing symbolic analysis, and diffing binary files to identify structural changes across versions. It also includes a digital forensic analyzer and disk analyzer for browsing filesystem formats in userland. The toolset supports binary p

This project is a community-curated repository of YARA rules used to detect malware, webshells, and other malicious patterns in files. It serves as a dataset of signatures for identifying known malware families, software packers, and threat intelligence indicators. The collection provides specialized detection capabilities for identifying exploit kits and anti-analysis evasion techniques, such as anti-debugging and anti-virtualization methods. It also includes signatures for cryptographic algorithm detection and the identification of unauthorized remote administration tools on servers. The r

Jadx is a comprehensive Java decompilation suite designed to transform compiled binary application files into readable source code. It functions as a static analysis workbench, providing a graphical interface for navigating, searching, and inspecting the internal logic of complex software packages. By utilizing a bytecode-to-Java pipeline, the project reconstructs high-level logical structures from low-level binary instructions, making it a primary tool for Android application reverse engineering. The project distinguishes itself through a sophisticated control flow reconstruction engine and

This project is a cybersecurity educational resource and courseware designed for malware analysis and reverse engineering. It provides a structured curriculum of lessons, labs, and guided projects focused on detecting and understanding the behavior of malicious software. The resource includes a lab guide for building isolated virtual machine environments to safely execute and study malware. It covers the setup of a specialized toolchain consisting of disassemblers and debuggers used to analyze compiled machine code. The training material covers both static analysis, which examines binary cod

pyinstxtractor is a PyInstaller executable unpacker and Python bytecode recovery tool. It functions as a helper for decompiling compiled Python binaries by extracting bundled binaries and bytecode from executables created with PyInstaller. The project includes a bytecode decryptor to remove encryption from extracted files and a header repair tool that restores corrupted headers. These capabilities ensure that extracted compiled files are compatible with bytecode decompilation software. The utility covers reverse engineering of Python applications, supporting malware analysis workflows throug

dnSpy is a specialized toolset for the reverse engineering, analysis, and modification of compiled .NET binaries. It functions as a decompiler that converts assemblies back into readable high-level source code, an assembly editor for modifying bytecode and metadata, and a debugger for inspecting compiled binaries. The project integrates a hex editor specifically for inspecting and modifying raw bytes and Common Intermediate Language structures. It allows for the direct modification of binary contents to change application behavior without requiring the original project source files. The tool

Peda is a security tool suite and exploit development framework designed for binary analysis, debugger automation, and memory inspection. It functions as a set of Python scripts that extend a debugger to automate the analysis of compiled files and the inspection of process memory. The project provides specialized utilities for memory corruption research, including a payload generation utility for creating cyclic patterns to discover buffer overflows and a gadget finder to locate return-oriented programming sequences within binaries. It differentiates itself by offering a visualization tool th

re2 is a C++ regular expression library designed for high-performance text processing. It is a non-backtracking regex engine that provides linear-time pattern matching, ensuring that execution time remains proportional to the size of the input string regardless of the pattern used. The library supports UTF-8 and Latin-1 text encodings for searching and extracting substrings. It includes capabilities for multi-pattern optimization, allowing multiple regular expressions to be combined into a single representation to scan text for several patterns in one pass. The project covers core regex oper

CrowdSec is a collaborative, distributed security engine designed for threat detection and infrastructure protection. It functions as an intrusion detection system that parses logs and network traffic to identify malicious patterns, utilizing a bucket-based threshold detection model to aggregate events and trigger alerts. The platform is built on a modular architecture that includes a centralized local API server for managing security signals and a relational database for persistent storage of remediation decisions. What distinguishes the project is its decoupled enforcement model, which offl

Pwntools is a Python-based framework designed for rapid prototyping and automation in binary exploitation, reverse engineering, and security research. It serves as a comprehensive toolkit for interacting with local and remote processes, providing the primitives necessary to manage complex exploit workflows and streamline security analysis tasks. The framework distinguishes itself through its specialized capabilities for binary manipulation and automated exploit construction. It includes dedicated utilities for parsing executable file formats, assembling and disassembling machine code, and gen

IntelOwl is a threat intelligence platform and security orchestration engine designed to aggregate, analyze, and enrich security observables. It functions as a security incident investigation tool and a threat intelligence aggregator, collecting data on files, domains, and IP addresses from diverse internal and external sources. The system differentiates itself through playbook-based workflow automation, allowing users to define reusable sequences of analysis tasks that trigger subsequent jobs based on prior outputs. It unifies disparate security data into a common schema and utilizes protoco

DetectionLab is a reproducible Windows Active Directory security lab designed for testing detection capabilities. It uses an automation framework based on Vagrant and Packer to provision virtualized networks across multiple hypervisors and cloud platforms. The project utilizes Ansible for the declarative installation and configuration of domain services and endpoint security tools. It incorporates a browser-based remote access interface via Apache Guacamole to manage laboratory hosts without requiring standalone remote desktop clients. The environment includes a telemetry pipeline that aggre

🚌 Threat Bus – A threat intelligence dissemination layer for open-source security tools.

Ghidra is a software reverse engineering suite designed to analyze compiled binaries and reconstruct program logic without access to original source code. It provides an interactive environment for disassembly and decompilation, utilizing a platform-independent intermediate representation to maintain consistency across diverse hardware architectures. The framework supports automated binary analysis through programmatic routines, enabling the investigation of complex code patterns and security indicators. The platform distinguishes itself through a modular architecture that allows for extensiv

pe-sieve is a set of diagnostic tools for scanning Windows process memory to identify malicious implants, shellcode, and hooks. It functions as an in-memory implant detector, malware unpacker, and process callstack analyzer designed to locate and dump memory patches and injected code from running processes. The project identifies advanced evasion techniques, such as process hollowing and reflective injection, by verifying portable executable structures in memory. It distinguishes itself by analyzing process callstacks to detect anomalies and redirections and by reconstructing executable heade

LIEF is a framework for parsing, modifying, and analyzing executable binary formats and system shared caches across multiple platforms. It serves as a cross-platform library for the programmatic manipulation of ELF, PE, and MachO binary files. The project provides tools for altering the internal structure and sections of executable files to change program behavior. It also includes a dedicated parser for recovering individual dynamic libraries from combined system shared caches. The toolset covers binary executable analysis, machine code disassembly, and the extraction of debug metadata and

pyWhat is a Python-based data extraction tool designed to scan files and text for sensitive identifiers, credentials, and network artifacts using regular expressions. It functions as a pattern matching engine and PII scanner capable of identifying personal identifiers and sensitive data patterns across directories and binary files. The project specializes in the identification of unknown data formats through file signatures and the extraction of high-value identifiers, such as URLs, IP addresses, and phone numbers, from network capture files. It utilizes a rarity-based filtering system and sp

Android Classyshark is a binary analysis toolset designed to extract structural data from Android executable files. It functions as a bytecode viewer and binary XML parser to analyze compiled Java and Android binaries. The project converts binary XML files into readable formats for the inspection of application manifests, layouts, and resource files. It also provides the ability to analyze class interfaces, members, and dependency counts without requiring access to the original source code. The toolset supports static analysis and the export of binary information into plain text formats for

lensm is a binary analysis tool and Go disassembler interface designed for navigating disassembled machine code, tracking function calls, and inspecting executable metadata. It specifically functions as a Go assembly viewer that visualizes compiled binary instructions alongside their original source code. The project implements the Model Context Protocol to expose internal functions and source code as tools for external AI systems. This protocol-based analysis server enables the streaming of binary data and the management of server lifecycles to allow external tools to analyze logic. The sys

Mobile Security Framework is an automated security testing platform designed for the analysis of Android, iOS, and Windows mobile application binaries. It functions as a comprehensive suite for identifying security vulnerabilities, privacy risks, and malicious code within mobile software packages. The framework distinguishes itself by combining static and dynamic analysis techniques to evaluate application behavior. It performs static inspection of source code and binaries to detect insecure patterns, while simultaneously utilizing dynamic instrumentation and containerized sandboxing to monit

Git-secrets is a security utility designed to prevent the accidental exposure of sensitive credentials by integrating automated scanning directly into the version control commit lifecycle. It functions as a commit scanner that evaluates staged files and commit messages against defined security policies before changes are finalized in a repository. The tool utilizes regular expression pattern matching to identify potential secrets and supports the registration of custom patterns to address specific organizational security requirements. To manage operational friction, it includes mechanisms for

Capstone is a multi-architecture disassembly framework and binary translation system. It converts binary machine code into human-readable assembly instructions for a wide variety of hardware instruction set architectures and virtual machines. The framework supports a diverse range of targets, including x86, ARM, RISC-V, and MIPS, as well as virtual machine environments like WebAssembly and the Ethereum Virtual Machine. It functions as an instruction analysis tool capable of extracting granular decomposition data and semantic information from disassembled code. The engine is designed for low-

This project is a curated repository of remote access trojan binaries and malware samples. It serves as a structured analysis dataset and security research toolset designed for studying the behavior and inner workings of remote administration tools. The collection provides a versioned archive of malware samples and backdoor interfaces, with specific categorizations for target platforms including Windows and Android. It organizes these binaries to facilitate the study of malware evolution and the identification of technical patterns. The repository covers several security research areas, incl