Best C2concealer Alternatives & Competitors in 2026

Core Security Cobalt Strike

Post-exploitation threat emulation platform for red team operations.

Core Security Outflank Security Tooling

Red team toolkit for EDR evasion, initial access, and post-exploitation.

Havoc Framework

Open-source C2 framework for red team ops and adversary simulation.

WebDAV Covert Channel

A covert channel technique that uses WebDAV protocol features to deliver malicious payloads and establish C2 communication while bypassing security controls.

CobaltBus

CobaltBus integrates Cobalt Strike with Azure Service Bus to create covert C2 communication channels for red team operations.

RedGuard

RedGuard is a C2 front flow control tool that helps evade detection by security systems through traffic filtering and redirection capabilities.

RedWarden

RedWarden is a Cobalt Strike C2 reverse proxy that uses packet inspection and malleable profile correlation to evade detection by security controls during red team operations.

SourcePoint

SourcePoint generates customizable C2 profiles for Cobalt Strike servers to enhance evasion capabilities against security defenses.

Fortra Cobalt Strike

Threat emulation tool for adversary simulations and red team operations

Core Security Bundles and Suites

Bundled offensive security suites combining pen testing, red teaming, and VM.

Dreadnode Offensive Security Agents

AI agent platform for automating offensive security operations and evals.

MITRE Caldera™

MITRE Caldera™ is an automated adversary emulation platform built on the MITRE ATT&CK framework that supports red team operations and incident response activities through a modular C2 server and plugin architecture.

pybof

PyBOF is a Python library that enables in-memory loading and execution of Beacon Object Files (BOFs) with support for argument passing and function targeting.

AzureC2Relay

An Azure Function that validates and relays Cobalt Strike beacon traffic based on Malleable C2 profile authentication.

Brute Ratel C4

Advanced command and control tool for red teaming and adversary simulation with extensive features and evasion capabilities.

C3

C3 is a framework by WithSecureLabs for rapid prototyping of custom command and control channels that integrates with existing offensive security toolkits.

Covenant

Covenant is a collaborative .NET command and control framework designed for red team operations and offensive security engagements.

CrossC2

CrossC2 is a cross-platform payload generator that extends CobaltStrike's capabilities to Linux and macOS environments for red team operations.

Domain Hunter

A reconnaissance tool that analyzes expired domains for categorization, reputation, and Archive.org history to identify candidates suitable for phishing and C2 operations.

EvilClippy

EvilClippy is a cross-platform tool that creates malicious MS Office documents with hidden VBA macros and evasion techniques for penetration testing and red team operations.

Inceptor

A template-driven framework for creating custom evasion techniques to test Anti-Virus and EDR detection capabilities.

InvisibilityCloak

InvisibilityCloak is a proof-of-concept C# code obfuscation toolkit designed for red teaming and penetration testing to conceal post-exploitation tools from detection.

Koadic

A COM Command & Control framework that uses JScript to provide fileless remote access capabilities on Windows systems through a modular plugin architecture.

Macro_Pack

Macro_Pack automates the generation and obfuscation of Office documents and scripts for penetration testing and security assessments.

Merlin

A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.

MSBuildAPICaller

MSBuildAPICaller is an offensive security tool that enables interaction with the MSBuild API to execute arbitrary scripts for red teaming and penetration testing purposes.

NimPlant

A lightweight Command and Control (C2) implant written in Nim that provides remote access capabilities for penetration testing and red team operations.

PoshC2

A proxy aware C2 framework for penetration testing, red teaming, post-exploitation, and lateral movement with modular format and highly configurable payloads.

Pupy

Pupy is an open-source, cross-platform C2 framework that provides remote access and control capabilities for compromised systems across Windows, Linux, OSX, and Android platforms.

SharpC2

SharpC2 is a C#-based Command and Control framework that provides remote access capabilities for penetration testing and red team operations.

Skyhook

Skyhook is an HTTP-based file transfer tool that uses obfuscation techniques to evade detection by Intrusion Detection Systems.

TikiTorch

TikiTorch is a process injection tool that executes code within the address space of other processes using various injection techniques.

external_c2 framework

A Python framework for building custom Command and Control interfaces that implements Cobalt Strike's External C2 specification for data transfer between frameworks.

Ultimate AppLocker Bypass List

A repository documenting AppLocker bypass techniques with verified methods, legacy DLL execution approaches, and a PowerShell module for identifying AppLocker weaknesses.

SILENTTRINITY

SILENTTRINITY is a Python-based, asynchronous C2 framework that uses .NET scripting languages for post-exploitation activities without relying on PowerShell.

Kubesploit

A cross-platform post-exploitation HTTP/2 Command & Control framework designed specifically for testing and exploiting containerized environments including Docker and Kubernetes.

SharpShooter

A payload creation framework for generating and executing C# code payloads with anti-evasion capabilities for offensive security operations.

Mod_Rewrite for Red Team Infrastructure

A powerful tool for hiding the true location of your Teamserver, evading detection from Incident Response, redirecting users, blocking specific IP addresses, and managing Malleable C2 traffic in Red Team engagements.

PHPsploit

A PHP-based command and control framework that maintains persistent web server access through polymorphic backdoors and HTTP header communication tunneling.

InvalidSign

InvalidSign is a security research tool that bypasses endpoint solutions by obtaining valid signed files with different hashes to evade signature-based detection mechanisms.

Empire Communication Profiles

Customize Empire's GET request URIs, user agent, and headers for evading detection and masquerading as other applications.

Randomized Malleable C2 Profiles Made Easy

Tool for randomizing Cobalt Strike Malleable C2 profiles to evade static, signature-based detection controls.

tryharder

A C++ staged shellcode loader with evasion capabilities, compatible with Sliver and other shellcode sources, designed for offensive security testing.

GoSecure Titan® Adversarial Simulation

Human-led adversary emulation service testing detection & response capabilities

Red Specter Cheatsheet

CLI cheatsheet for Red Specter's 30-tool offensive security platform.

A Security

Autonomous offensive security platform that finds, validates, and remediates attack paths.

KinoSec Hades

Autonomous AI offensive cyber platform for sovereign-grade threat neutralization.

HexStrike AI MCP Agents

MCP server enabling AI agents to autonomously run 150+ security tools