GO KALI FREE

Cobalt Strike

Exploitation

Advancedhigh risk

Cobalt Strike is a commercial penetration testing platform designed for adversary simulation and red team operations. It features a post-exploitation agent called Beacon and supports covert communication channels to model advanced persistent threats.

Installation

Download from helpsystems.com (commercial license required)

Basic Syntax

./teamserver <IP> <password>

Quick Facts

Full Name
Cobalt Strike
License
Commercial (proprietary)
Author
Strategic Cyber LLC / HelpSystems
Written In
Java, C, Python, PowerShell
Platforms
Linux, Windows, macOS
Category
Exploitation / C2 Framework
First Release
2012
Agent Type
Beacon (HTTP/HTTPS/DNS/SMB)

Tool Overview

Cobalt Strike is the industry-standard adversary simulation platform for professional red teams. It provides a comprehensive post-exploitation agent called Beacon, flexible command and control channels, and tools for every phase of a red team engagement from initial access to exfiltration.

Cobalt Strike's power comes from its Malleable C2 framework, which allows operators to customize network traffic patterns to evade detection. By mimicking legitimate application traffic, Cobalt Strike can blend in with normal network activity while maintaining persistent, encrypted command and control channels.

The platform includes collaboration features for team servers, a graphical timeline for visualizing operations, automated reporting, and extensive logging. Its modular design supports custom aggressor scripts extending functionality for specific engagement requirements.

Common Commands

./teamserver 10.10.10.10 <PASS>Start the team server bound to an IP with a shared password for clients
./teamserver 10.10.10.10 <PASS> c2.profileStart the team server using a specific Malleable C2 profile
./cobaltstrikeLaunch the Cobalt Strike GUI client to connect to a team server
./cobaltstrike.shLaunch the client via the wrapper script on Linux
c2lint c2.profileValidate a Malleable C2 profile with the bundled linter before use
sleep 60 30Beacon: set 60s check-in with 30% jitter to reduce predictability
sleep 0Beacon: switch to interactive mode with no delay between check-ins
shell whoamiBeacon: run a Windows command via cmd.exe on the host
run net userBeacon: execute a program directly without cmd.exe
powershell Get-ProcessBeacon: run a PowerShell command through the imported context
powerpick Get-ProcessBeacon: run PowerShell via unmanaged injection (no powershell.exe)
execute-assembly /path/to/Seatbelt.exeBeacon: run a .NET assembly in memory without touching disk
inline-execute /path/to/bof.oBeacon: run a Beacon Object File (BOF) in-process
getsystemBeacon: attempt to elevate to SYSTEM via token duplication
getuidBeacon: show the current user token the Beacon is running as

Step-by-Step Guide

  1. 1Ensure you have purchased a legitimate copy of the software
  2. 2Initialize the backend server infrastructure
  3. 3Set up your listening profiles to match standard traffic patterns
  4. 4Build the executable payloads to establish access
  5. 5Send the payload to the objective machine
  6. 6Wait for the payload to call back and establish a link
  7. 7Execute commands, pivot, or extract data through the session
  8. 8Maintain meticulous records of your execution timeline

Warnings

Use Cases

Adversary Simulation

Model advanced persistent threat behaviors with custom C2 profiles and TTPs matching real threat actors.

Red Team Operations

Full-spectrum red team engagements from initial access to data exfiltration with team collaboration.

Post-Exploitation

Execute commands, dump credentials, pivot laterally, and maintain persistence through Beacon payloads.

Phishing Campaigns

Design and execute spear phishing campaigns with embedded Beacon payloads for initial access.

C2 Infrastructure

Deploy domain fronting, redirectors, and Malleable C2 profiles for resilient command and control.

Purple Teaming

Provide realistic adversary emulation for defensive teams to detect and respond to advanced threats.

Key Features

Related Tools

Metasploit

Exploitation

Free exploitation framework for vulnerability discovery and initial access.

Empire

Post Exploitation

Open-source post-exploitation framework with PowerShell agents.

Mimikatz

Post Exploitation

Windows credential extraction tool integrated into Beacon's mimikatz command.

CrackMapExec

Post Exploitation

Automated Windows/AD lateral movement and post-exploitation toolkit.

Impacket

Post Exploitation

Python Windows protocol toolkit for remote execution and credential dumping.

Evil-WinRM

Post Exploitation

WinRM shell for remote Windows administration and lateral movement.

Frequently Asked Questions

What is Cobalt Strike used for?

Cobalt Strike is a commercial adversary simulation platform designed for red team operations. It features the Beacon payload for post-exploitation, malleable C2 communication profiles for evasion, and tools for spear phishing, web drive-by attacks, and infrastructure management. It models advanced persistent threat behaviors.

What is Beacon in Cobalt Strike?

Beacon is Cobalt Strike's post-exploitation agent that operates on compromised hosts. It supports asynchronous (HTTP/DNS) and synchronous (SMB) communication channels, executes PowerShell, .NET, and native DLL payloads, and provides features like keylogging, screenshot capture, hash dumping, and lateral movement through PsExec, WMI, and WinRM.

How does Cobalt Strike evade detection?

Cobalt Strike uses Malleable C2 profiles to customize network traffic patterns, mimicking legitimate applications (e.g., Amazon, Google, Microsoft) to evade network detection. Beacon uses in-memory execution, process injection, and sleep masking to avoid disk-based signatures. However, modern EDR systems actively hunt for Cobalt Strike patterns.

Do you need a license for Cobalt Strike?

Yes, Cobalt Strike requires a commercial license starting at approximately $3,500 per year for a single user. Using cracked versions is both illegal and dangerous — they often contain backdoors or malware. Cobalt Strike is a professional tool intended for licensed red teams conducting authorized security assessments.

Tags

#exploitation#red-team#adversary-simulation#c2-framework

Output Explanation

The graphical dashboard visually represents compromised hosts. Each session provides details on connection timing, privileges, and system architecture. A comprehensive log captures every keystroke and command.

Ethical Usage Notice

This tool is designed for authorized security testing, educational purposes, and legitimate network administration only. Unauthorized access to computer systems is illegal.