Open-source alternatives to BloodHound

The Social-Engineer Toolkit is a social engineering framework and penetration testing suite designed to simulate human-centric security attacks. It serves as a phishing simulation tool and credential harvesting utility to evaluate personnel awareness and organizational resilience. The toolkit provides specialized tooling for phishing campaign testing and credential theft simulation. It enables the creation of deceptive emails and landing pages to identify vulnerabilities in how users handle sensitive account information. The system includes capabilities for security awareness training and br

FalkorDB is a high-performance graph database management system and vector graph database. It serves as a knowledge graph construction tool and a GraphRAG knowledge store, integrating structured property graphs with vector search to provide grounded context for large language models. The engine is designed as a multi-tenant graph engine, capable of hosting thousands of isolated datasets within a single instance. The system distinguishes itself by using linear algebra for query execution, treating relationship tensors as matrix multiplications to achieve low-latency multi-hop traversals. It ut

BloodHound is a graph-based security analysis tool designed to map trust relationships and attack vectors within Active Directory environments. It functions as an attack path mapper and risk assessment system that uses graph theory to identify hidden relationships and paths leading to high-privilege accounts. The tool specializes in network attack surface mapping and privilege escalation pathfinding. It quantifies security risks by measuring the reliability of attack paths to critical targets, allowing for the prioritization of vulnerability elimination. The system provides capabilities for

CrackMapExec is a network penetration testing framework and automated security scanner designed to assess security postures across large IP ranges. It functions as a multi-protocol security scanner and network protocol auditor used to identify vulnerabilities and misconfigurations. The tool provides capabilities for Active Directory auditing to enumerate users and permissions, as well as post-exploitation enumeration to gather system metadata and discover lateral movement paths. It includes a framework for credential spraying and harvesting across various network services. The system utilize

Mythic is a red teaming framework and command and control server designed for managing post-exploitation activities. It provides a centralized system for issuing tasks and receiving telemetry from agents deployed across diverse target platforms and operating systems. The platform features a collaborative operator interface that allows multiple security researchers to coordinate operations and track target activity within a shared environment. It supports the deployment and updating of diverse agent payloads through a multi-platform payload manager. The framework utilizes a plugin-based archi

This project is a collection of technical resources, blueprints, and guides for building resilient and stealthy red team infrastructure. It provides a comprehensive framework for designing offensive security environments that resist detection and remain operational throughout security engagements. The repository distinguishes itself through detailed playbooks for adversary simulation and hardening manuals. It covers advanced obfuscation techniques such as domain fronting, the use of platform-as-a-service redirectors, and the leveraging of third-party content sites to inherit domain reputation

Monkey is an adversary emulation platform and breach and attack simulation tool designed to test network defenses through automated lateral movement and exploit delivery. It functions as a network security testing system that evaluates security posture by attempting to propagate through vulnerabilities and extract sensitive system credentials. The platform distinguishes itself by simulating specific real-world attacker behaviors, such as ransomware encryption, cryptojacking, and the theft of browser-stored credentials and secure shell keys. It utilizes binary hash randomization to evade antiv

Mimikatz is a Windows post-exploitation framework designed for extracting plaintext passwords, hashes, PIN codes, and security tokens from system memory and the registry. It functions as a credential extraction tool that targets the Local Security Authority Subsystem Service to retrieve cached credentials and sensitive account data. The project provides specialized capabilities for Active Directory penetration testing, including the simulation of domain controllers to replicate directory secrets. It features a Kerberos ticket manipulator capable of exporting, injecting, and forging authentica

AdvPhishing is a tool for social engineering simulations and credential harvesting testing. It generates deceptive web interfaces, including cloned service provider pages and pre-made layouts that mimic payment and social media platforms, to capture user login details. The tool manages the end-to-end deployment of phishing campaigns by routing captured credentials to a specified email address via an integrated SMTP mail delivery mechanism. It includes utilities for exposing a local development server to the public internet through secure tunneling and redirects users to legitimate third-party

Evilginx2 is a man-in-the-middle phishing framework designed to proxy authentication traffic between a user and a target web service. By acting as a reverse proxy, the tool intercepts and relays web requests to capture credentials and session tokens in real time, enabling the bypass of multi-factor authentication mechanisms through session cookie hijacking. The platform distinguishes itself by integrating infrastructure orchestration with modular template-driven content injection. It automates the deployment of proxy servers, manages the lifecycle of encryption certificates, and applies conte

Merlin is a cross-platform command and control framework and remote access tool. It provides a server and agent system for post-exploitation coordination, utilizing an HTTP/2 framework for secure communication and the execution of commands across multiple operating systems. The project features an in-memory code execution engine that runs assemblies and shellcode directly within a process to avoid writing files to disk. It implements a decentralized communication architecture through a peer-to-peer network, allowing agents to exchange data via direct bind or reverse connections. To evade det

Pacu is an exploitation framework designed for auditing and testing the security of Amazon Web Services environments. It serves as a cloud penetration testing tool and resource enumerator used to identify misconfigurations, map attack surfaces, and execute privilege escalation paths. The framework provides specialized capabilities for post-exploitation and red team operations, including establishing persistence through identity and access management backdooring. It distinguishes itself with a plugin-based module system that allows for the development of custom tasks and the orchestration of A

Cartography is a graph-based infrastructure visualization and security analysis framework. It ingests data from diverse cloud, identity, and software-as-a-service providers to model complex relationships between resources, users, and security findings within a centralized graph database. By mapping these interdependencies, the platform enables organizations to gain visibility into their environment and identify potential security risks through graph traversal queries. The platform distinguishes itself through its ontology-based normalization and cross-platform entity correlation, which map he

Faraday is a vulnerability management platform and security tool aggregator designed to centralize security findings from multiple scanners into a single dashboard. It utilizes a relational security database to catalog hosts, services, and security flaws, enabling users to track remediation and analyze organizational risk. The platform distinguishes itself through a plugin-based system that normalizes diverse security tool outputs into a unified data model. It supports deep integration with a wide array of scanners and CLI tools, intercepting shell command output or parsing report files to ag

Rubeus is a comprehensive Kerberos attack toolkit for Active Directory environments, written in C#. It provides a full suite of operations for manipulating Kerberos tickets, exploiting delegation configurations, and performing credential attacks against Windows domains. The toolkit enables ticket extraction from logon sessions and memory, with real-time monitoring via Event Tracing for Windows. It supports forging golden and silver tickets with arbitrary privileges, as well as the creation of forged delegation contexts. Delegation attacks include abuse of constrained and unconstrained delegat

OffensiveNim is a red teaming framework and post-exploitation toolkit developed in Nim. It provides a collection of low-level primitives and a Windows API wrapper designed for offensive security operations, including malware development and shellcode loading. The project focuses on evasion and obfuscation through techniques such as API unhooking, direct system calls, and anti-debugging mechanisms. It features diverse payload delivery methods, including reflective binary loading, the execution of .NET assemblies via CLR hosting, and various shellcode injection techniques using fibers, COM obje

This project is a C# algorithms library and collection of data structures. It serves as a computer science reference providing practical implementations of classic sorting, searching, and graph traversal patterns. The library includes a dedicated string processing toolkit for analyzing text similarity, computing edit distances, and managing prefix-based searches. It also features a graph theory implementation for modeling network relationships and calculating shortest paths. The codebase covers a broad range of capabilities, including the management of linear and hierarchical collections, tr

Gonum is a numerical computing library for the Go programming language, providing a collection of packages for scientific computing, linear algebra, statistics, and optimization. It functions as a framework for performing complex numerical computations and solving systems of linear equations. The project includes a dedicated graph analysis framework for modeling network graphs and solving connectivity and pathfinding problems. It also provides a statistical analysis toolkit for computing descriptive and inferential statistics and estimating mixture entropy. The library's capability surface c

Memgraph is an in-memory, distributed graph database designed for high-performance labeled property graph management. It utilizes a Cypher query engine for declarative data retrieval and manipulation, providing a scalable knowledge graph backend that integrates vector search and graph traversals. The system distinguishes itself as a real-time graph analytics platform, employing native C++ and CUDA implementations to execute complex network analysis and dynamic community detection on streaming data. It provides specialized support for AI integration, including GraphRAG capabilities, the constr

Oasis is an LLM-powered multi-agent social simulator and research tool designed to study synthetic social phenomena. It functions as a synthetic social network platform, replicating the infrastructure of social sites including user profiles, follow relationships, and content discovery mechanisms to model human-like social behaviors at scale. The framework orchestrates large-scale agent populations, supporting up to one million autonomous agents. It distinguishes itself by translating language model outputs into concrete social actions and external tool executions through a tool-calling orches

OffensiveRust is a red team toolkit and malware development kit written in Rust. It serves as an evasion framework and post-exploitation library, providing a collection of offensive security primitives and a Windows API wrapper for interacting with low-level system functions and undocumented APIs. The project focuses on bypassing security software through direct system calls, memory obfuscation, and stealthy payload execution. It implements techniques to defeat static binary analysis via compile-time string encryption and payload obfuscation, while avoiding detection using parent process ID s

likec4 is an architecture-as-code framework that transforms text-based architecture definitions into interactive diagrams, static websites, and image files. It serves as a system architecture visualizer and C4 model diagram generator, allowing users to define software components, boundaries, and deployment infrastructure using a domain-specific language. The tool distinguishes itself by providing a modeling environment with Language Server Protocol integration for real-time validation and autocomplete. It enables interactive architecture documentation where users can navigate through hierarch

Gophish is an open-source phishing toolkit and simulation framework designed to test organizational security awareness and evaluate vulnerability to social engineering attacks. It provides a core engine for sending deceptive emails to targets and tracking their interactions to identify gaps in security training. The platform functions as a comprehensive campaign manager for deploying lures and monitoring email delivery and click-through rates. It allows for the design and execution of simulated email threats to track how targets interact with malicious-looking content or provide credentials i

Apfell is a red teaming framework and command and control server designed for collaborative adversary simulation. It provides a centralized infrastructure to manage remote agents and distribute tasking across multiple operating systems using a message broker for real-time synchronization. The system functions as a distributed agent orchestrator, allowing teams to coordinate complex attack chains and synchronize container data. It features a multi-platform payload manager that enables the downloading and integration of custom agents and command profiles from remote repositories. The platform

Gramps is genealogy management software designed to document family trees, ancestral records, and genealogical research. It functions as a family history database that stores complex kinship links and historical records while providing full data versioning. The platform includes a kinship relationship graph for rendering ancestral connections as interactive diagrams and a geographic family tree visualizer that uses spatial data to display the movement and distribution of ancestors. It is built as an extensible platform that supports third-party plugins for custom reports, filters, and interfa

WinPwn is a Windows penetration testing framework and security toolkit designed for auditing Active Directory and exploiting Windows environments. It provides a collection of automated tools and scripts for domain enumeration, credential theft, and privilege escalation. The toolkit distinguishes itself through capabilities for neutralizing antimalware scanning interfaces to evade detection and providing offline binary packaging for execution on isolated systems without internet access. It also includes specialized utilities for intercepting and relaying SMB authentication traffic to gain unau