Open-source alternatives to MalwareSourceCode

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

Flare-VM is a Windows malware analysis environment consisting of installation scripts that automate the provisioning of a virtual machine. It provides a comprehensive suite of reverse engineering tools, including decompilers and debuggers, along with the necessary system configurations and environment variables for security research. The project functions as a virtual machine image orchestrator, allowing for the automated creation, management, and export of specialized analysis appliances. It features configuration-driven tool selection and the ability to extend installation logic through cus

This project is a set of specialized utilities for generating malformed documents, obfuscating payloads, and crafting specific attack vectors to evaluate the resilience of security scanners. It functions as a PDF fuzzing framework and security testing tool designed to create PDF files with embedded payloads for verifying how document viewers and web applications handle vulnerabilities. The toolkit provides capabilities for encoding and hiding malicious content to test the detection effectiveness of security scanners. It includes a security payload generator for crafting specific attack vector

This project is a public exploit code archive and vulnerability database. It serves as a collection of documented software exploits and vulnerability data, providing a reference library of exploit scripts and payloads used to validate security flaws in target environments. The archive supports security threat intelligence, vulnerability research, and penetration testing workflows. It functions as a historical record of software vulnerabilities and the proof-of-concept code used to trigger them. The codebase is organized through directory-based categorization and flat-file data storage, utili

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 centralized repository and research database dedicated to the collection of technical documentation and source code concerning offensive security, malware development, and system exploitation. It serves as an archive for security professionals and researchers to study threat actor methodologies and historical security research. The repository functions as a static, version-controlled archive that organizes research papers and code samples into a flat-file directory structure. This approach ensures long-term availability and offline access to the materials, while a decentrali

This repository contains the source code for a C-based network botnet designed to compromise Internet of Things devices. It serves as a functional implementation of malware used for security research, behavioral analysis, and the development of threat detection signatures. The project includes a command and control server architecture that manages infected devices via a custom binary protocol and TCP-based command distribution. It employs a cross-compilation toolchain to build and deliver architecture-specific binary payloads across multiple hardware platforms. The codebase covers capabiliti

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

Powerful automated tool for reverse engineering Unity IL2CPP binaries

This project is a Python command-line security tool and malware analysis framework designed for threat intelligence aggregation and incident triage. It functions as an aggregator that orchestrates queries across multiple security services and sandboxes to analyze hashes, IP addresses, and domains. The tool distinguishes itself by incorporating an intelligence layer that uses language models to provide automated risk assessments and framework mappings. It also includes specialized capabilities for extracting indicators of compromise from unstructured text, documents, and web pages, as well as

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

Flare-floss is a security utility and static binary string extractor designed to uncover hidden text and configuration data within compiled binaries. It functions as an obfuscated string decoder and reverse engineering tool to translate encoded strings into readable text for security auditing. The project employs emulated execution to capture the decrypted state of strings in memory by running small chunks of binary code in a virtual CPU. It further utilizes static analysis disassembly, intermediate representation analysis, and heuristic-based pattern matching to identify and decode strings t

Cuckoo is an open-source automated malware analysis system that executes suspicious files inside isolated virtual machines and produces structured behavioral reports. The platform captures system calls, file operations, and network activity during execution, compiling them into comprehensive analysis documents for programmatic consumption. The system operates through a modular analysis pipeline that processes behavioral data, applying YARA signature patterns against captured artifacts to identify known malware families. Each analysis run starts from a clean virtual machine snapshot to ensure

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

YARA is a pattern matching engine and binary analysis tool used to identify and classify malware samples. It functions as a malware research framework that allows for the definition of file descriptions and detection rules to find indicators of compromise within binaries. The system enables the creation of custom detection rules using strings, wildcards, and regular expressions. These rules use boolean logic to match textual or binary patterns, allowing for the classification of files into specific malware families and the automation of threat intelligence. The engine utilizes Aho-Corasick s

This project is a vulnerability intelligence database and aggregator that organizes common vulnerabilities and exposures alongside their corresponding proof-of-concept exploit code. It functions as a security vulnerability tracker and an indexed directory of public exploit payloads. The system monitors new security flaws and updates to known exploits through repository watches and atom feeds. It utilizes automated aggregation to collect vulnerability details from centralized repositories and discovers associated exploit code via reference analysis and global searches. The tool provides capab

This project is a red teaming knowledge base and offensive security playbook designed to simulate adversary behavior. It serves as a comprehensive collection of technical guides and tactics for executing red team operations. The repository provides detailed instructions for Active Directory exploitation, including Kerberos abuse and domain privilege escalation. It covers defense evasion through API unhooking and payload obfuscation, as well as Windows internals research involving the manipulation of kernel objects and system memory. The capability surface extends to network penetration testi

ExploitDB is a curated archive of exploit code and vulnerability data designed for penetration testing and security research. It serves as an offensive security knowledge base and a repository of publicly available proof-of-concept code used to validate software flaws. The project provides a searchable collection of historical and current exploit vectors. It supports security threat intelligence by tracking public releases and aids in vulnerability research by providing a reference library for analyzing how specific systems can be compromised. The archive is managed through a curated input p

Argus is a modular network reconnaissance framework designed for gathering network intelligence, mapping infrastructure, and assessing security postures through automated discovery tasks. It operates as a containerized security toolset that allows for the consistent execution of specialized information-gathering modules across different operating systems. The system functions as an infrastructure audit tool and a web application security scanner, performing tasks such as DNS lookups, port scanning, and the inspection of HTTP headers to detect vulnerabilities. It also serves as a threat intell

Flare-VM is a collection of scripts and an orchestrator designed to automate the installation and configuration of a reverse engineering toolset on Windows virtual machines. It functions as a provisioning system that deploys a consistent environment for malware analysis and security research on guest operating systems. The project utilizes a configuration manager and a graphical interface to allow for the selection of specific software packages and environment variables. It employs a curated manifest to manage the installation of compatible security tools and modifies system registries and ta

This project is a comprehensive, community-curated directory of resources and methodologies for open-source intelligence gathering. It serves as a centralized reference framework for researchers, providing a structured index of specialized tools, databases, and search techniques used to collect and analyze publicly available information from across the global internet. The directory distinguishes itself through a hierarchical taxonomy that organizes complex investigative domains, ranging from cyber threat intelligence and digital forensic investigation to geospatial analysis and operational s

This is a public archive of vulnerability findings, proof-of-concept code, and technical reports detailing security flaws discovered in third-party software. It functions as a coordinated vulnerability disclosure platform, enabling private reporting to vendors and structured publication of advisories after a fix is released or a 90-day deadline passes. The repository provides modular security analysis tooling—standalone scripts and binaries each targeting a specific bug class for automated detection—alongside a cross-platform fuzzing framework that runs tests across multiple operating systems

Strix is an automated security research and vulnerability scanning platform that leverages language models to orchestrate complex security analysis tasks. It functions as a comprehensive framework for penetration testing and continuous security integration, allowing users to embed automated vulnerability research directly into development pipelines or execute it within isolated, containerized environments. The platform distinguishes itself through a multi-agent orchestration engine that coordinates specialized autonomous agents to perform parallel security assessments. By integrating LLM-agno

This project is a comprehensive, community-sourced knowledge base designed for security professionals and researchers. It functions as a centralized repository of offensive security techniques, providing a structured collection of exploit payloads, attack vectors, and methodologies for conducting vulnerability assessments and penetration testing. The repository distinguishes itself through a cross-platform payload taxonomy that categorizes exploitation methods by vulnerability type and target environment, enabling rapid lookup during security assessments. It maintains high standards of data i

This project is a community-maintained, open-source knowledge base that serves as a structured index for cybersecurity resources. It provides a centralized directory of tools, frameworks, and documentation designed to assist security researchers, penetration testers, and developers in hardening digital infrastructure and navigating the security tooling ecosystem. The repository distinguishes itself through a collaborative curation model that relies on distributed user contributions to maintain an accurate and up-to-date registry of technical assets. By organizing information into structured m

apk.sh is a mobile application patching framework and reverse engineering tool designed to inject custom instrumentation and logic into compiled Android binaries. It serves as a workflow manager for modifying application packages without requiring access to the original source code. The toolkit focuses on automating the process of injecting the Frida gadget into Android packages, enabling dynamic analysis and function hooking on non-rooted devices. It handles the end-to-end lifecycle of deconstructing, modifying, and resigning binaries to facilitate security research, malware analysis, and be

PE-bear is a graphical portable executable analysis tool designed for inspecting, disassembling, and modifying the structure of Windows PE binary files. It functions as a static analysis framework used to identify malicious patterns and reverse engineer program logic. The project provides a binary diffing tool to identify structural and content differences between two executable files. It also includes a section editor for modifying binary layouts by adding or altering sections and imports. The tool covers a range of binary analysis capabilities, including machine code disassembly, file layo