Open-source alternatives to Caldera

Covenant is a .NET-based command and control framework designed for red team operations and adversary simulation. It serves as a collaborative platform for coordinating security assessments, managing remote implants, and executing tasks on compromised systems through a centralized server. The project is distinguished by its dynamic payload generator, which compiles and obfuscates executable binaries and scripts on the fly to bypass detection. It further separates itself through a collaborative environment that allows multiple authenticated operators to share a synchronized state, track operat

An information security preparedness tool to do adversarial simulation.

RTA provides a framework of scripts designed to allow blue teams to test their detection capabilities against malicious tradecraft, modeled after MITRE ATT&CK.

A utility to safely generate malicious network traffic patterns and evaluate controls.

A toolset to make a system look as if it was the victim of an APT attack

Pupy is a command and control framework and post-exploitation suite used for remote administration and system management. It functions as a cross-platform tool for deploying payloads and controlling multiple remote agents through encrypted communication channels. The framework features a multi-platform payload generator that creates custom executable files using configurable network launchers. It employs a network traffic obfuscator that stacks encryption and obfuscation protocols to hide communication from observation. The system provides capabilities for in-memory code execution, remote pr

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

"Security Incidents In A Box!" A modular, menu-driven, cross-platform tool for building customized, time-delayed, distributed security events. Easily create custom event chains for Blue- & Red Team drills and sensor / alert mapping. Red Teams can create decoy incidents, distractions, and lures to support and scale their operations. Build event sequences ("narratives") to simulate realistic scenarios and generate corresponding network and filesystem artifacts.

Virtual Machine for Adversary Emulation and Threat Hunting

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

Havoc is a post-exploitation framework used for red team operations. It provides a centralized command and control system for managing remote agents through persistent network connections and customizable communication profiles. The framework focuses on security evasion and stealth, utilizing indirect syscall execution, return address spoofing, and hardware-breakpoint patching to bypass endpoint detection and response tools. It includes a payload generation workflow to create executable shellcode or DLLs for initial remote access. The system covers a broad range of operational capabilities,

TheHive is a security incident response platform and multi-tenant case management system. It functions as a Security Orchestration, Automation, and Response (SOAR) tool and a threat intelligence platform designed to coordinate security investigations by managing alerts, cases, and observables. The platform is distinguished by its multi-tenant architecture, which isolates data across different organizations while supporting selective cross-tenant sharing. It features a SOAR automation engine capable of executing sandboxed JavaScript logic to automate workflows and trigger response actions thro

Empire is a post-exploitation command-and-control (C2) framework designed for red team operations. It deploys and manages agents written in PowerShell, Python, C#, Go, and C across Windows, Linux, and macOS, using encrypted communication channels over HTTP, HTTPS, and SMB. The framework executes over 400 built-in modules for reconnaissance, privilege escalation, credential theft, and lateral movement, and provides a modular engine for authoring custom attack modules. What sets Empire apart is its multi-language agent deployment system, which allows operators to choose implants that suit each

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

Quasar is an encrypted TCP-based remote administration tool for Windows that combines command-and-control capabilities with credential extraction, keystroke logging, file and registry management, desktop monitoring, and SOCKS5 reverse proxy tunneling. It operates through a modular framework where individual capabilities are loaded as plugins communicating over an encrypted command channel. The tool distinguishes itself by integrating credential recovery from browsers and FTP clients, keystroke capture with full Unicode support, and a SOCKS5 reverse proxy for routing network traffic through th

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

BloodHound is an identity risk management platform and graph-based attack path analyzer used to map identity relationships and permissions in Active Directory. It functions as a security tool for auditing directory services, uncovering unintended privilege relationships, and visualizing sequences of permissions that can lead to domain compromise. The project differentiates itself as a comprehensive adversary emulation framework that coordinates remote agents and executes post-exploitation commands. It includes a reverse proxy for bypassing multi-factor authentication via real-time session hij

Commando VM is a Windows-based penetration testing distribution and offensive security virtual machine. It serves as a toolset manager for deploying and maintaining a curated collection of security tools, scripts, and configurations designed for security auditing, red teaming, and adversary simulation. The project automates the provisioning of a specialized workstation by using PowerShell scripts and a modular repository to orchestrate the installation of offensive security software. It utilizes a community-driven package manager to handle dependency resolution and binary installations, ensur

LOLBAS is a curated database and knowledge base of signed Windows binaries that can be misused to bypass security restrictions and execute unauthorized code. It serves as a technical registry that maps trusted system files to their functional capabilities and the offensive tactics they enable. The project distinguishes itself by providing a capability-driven indexing system and a tactics registry that relates legitimate binary functionality to known security evasion techniques. It includes an association layer that links specific system binaries to attack patterns and tactical objectives, pro

Commando-VM is a Windows penetration testing distribution and offensive security toolkit. It provides a specialized virtual machine environment loaded with a curated suite of security auditing and exploitation tools designed for red teaming operations. The project facilitates the creation of red team infrastructure and security audit environments. It focuses on windows security auditing and penetration testing to help simulate adversary behavior and identify exploitable security flaws. The environment is established through script-based provisioning and modular toolset deployment. This proce

Veil-Evasion is a framework designed for generating custom executable files to test defensive systems. It functions as a security testing utility that simulates patterns used to bypass security software during authorized penetration testing. The platform distinguishes itself through a modular build system that transforms scripts into standalone native binaries, ensuring consistent execution across different operating systems without external dependencies. It utilizes template-based source injection to construct these payloads, allowing for the dynamic configuration of executable files during

Albert is a keyboard launcher that opens files, applications, and runs commands by typing search queries into a search bar. It functions as a keyboard-driven workflow tool, enabling users to navigate their file system, launch installed applications, and execute shell commands without touching a mouse. The launcher processes user input through a plugin-based modular architecture, where functionality is extended by dynamically loaded C++ and Python plugins. Queries are dispatched to all enabled handlers in parallel, with results merged and ranked by a combination of match quality and historical

CKEditor 4 is a browser-based WYSIWYG rich text editor that enables users to create and format HTML content directly in the browser. It operates on a plugin-based architecture with a configurable toolbar system, DOM-based content editing, and an event-driven lifecycle, all delivered through a CDN-based distribution model. The editor supports skin-based theming and includes a legacy plugin compatibility layer for backward compatibility. The editor distinguishes itself as a cross-platform framework that integrates natively with Angular, React, Vue, Electron, Android, and iOS environments. It of

TheFatRat is a security exploitation framework designed to automate the creation, obfuscation, and deployment of payloads for penetration testing. It functions as a comprehensive toolkit that streamlines the exploitation lifecycle, enabling users to generate malicious executables, manage network listeners, and execute post-exploitation tasks through a unified command-line interface. The framework distinguishes itself by integrating various third-party exploitation utilities into a single, orchestrated workflow. It provides specialized capabilities for embedding code into legitimate binaries a

Nightingale is a Prometheus-compatible monitoring and alerting platform designed to centralize telemetry management across multiple time-series databases. It functions as a multi-source alerting engine and metric data pipeline that ingests telemetry via remote write protocols and triggers alarms based on data from sources such as Prometheus, Elasticsearch, Loki, and ClickHouse. The system is distinguished by its automated alert healing system, which executes predefined scripts and RPC-based corrective actions when monitoring thresholds are breached. It supports distributed alert processing, a