Install Havoc C2 (Recommended – Solution)

(or use tmux / screen ). Step 7: Launch the Havoc Client Open a second terminal (or new tab) and start the GUI client.

Learn about Havoc’s inline assembly execution, bypass techniques, and custom demon profiles from the official GitHub wiki. This guide was tested on Ubuntu 22.04 LTS (Jammy) with Havoc commit 6b3b3e1 (Dec 2024). Always refer to the official Havoc GitHub for updates.

# Teamserver Configuration host: "0.0.0.0" # Listen on all interfaces port: 40056 # Teamserver port name: "Havoc" # Server name password: "Password123!" # Client authentication password Save ( Ctrl+X , Y , Enter ). Run the teamserver in a dedicated terminal or as a background service.

sudo apt update && sudo apt upgrade -y sudo apt install -y build-essential git cmake python3 python3-pip \ wget curl unzip zip pkg-config libssl-dev Havoc’s graphical client depends on Qt6. The easiest method is via the official installer. install havoc c2

sudo apt install tmux -y tmux new -s havoc-teamserver cd ~/Havoc/teamserver ./teamserver -c ../profiles/teamserver.yaml # Ctrl+B then D to detach # Reattach: tmux attach -t havoc-teamserver Allow only necessary ports:

# Remove any old Go sudo rm -rf /usr/local/go wget https://go.dev/dl/go1.21.5.linux-amd64.tar.gz sudo tar -C /usr/local -xzf go1.21.5.linux-amd64.tar.gz Add Go to PATH echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc echo 'export GOPATH=$HOME/go' >> ~/.bashrc source ~/.bashrc Verify installation go version Step 4: Clone & Build Havoc Now fetch the Havoc repository and build the teamserver, client, and demon.

# Clone the main Havoc repository git clone https://github.com/HavocFramework/Havoc.git cd Havoc cd teamserver go mod download github.com/gin-gonic/gin go build cd .. Build the Demon Agent (C/ASM) cd demon sudo make cd .. Note: make will generate the demon.x64.o and demon.x86.o payloads. Build the Havoc Client (C++/Qt6) cd client make cd .. If make fails, ensure qmake is in PATH: find ~/Qt -name qmake → then export PATH=... Step 5: Configure the Teamserver Create a configuration profile for your teamserver. (or use tmux / screen )

# Download the Qt Online Installer (Linux) wget https://download.qt.io/official_releases/online_installers/qt-unified-linux-x64-online.run chmod +x qt-unified-linux-x64-online.run ./qt-unified-linux-x64-online.run

echo 'export PATH="$HOME/Qt/6.4.2/gcc_64/bin:$PATH"' >> ~/.bashrc source ~/.bashrc Havoc’s teamserver and demon agent require Go 1.19 or higher.

This content is provided for educational and authorized security testing purposes only . Havoc C2 is a tool that can be used for red teaming, CTF competitions, and penetration testing with explicit permission . Unauthorized use against systems you do not own or lack written permission to test is illegal. You are solely responsible for how you use this information. Full Guide: Installing Havoc C2 on Linux (Ubuntu/Debian) Havoc C2 is a sleek, modern Command & Control framework written in Go, C, and Python. It features a demon (agent) and a Teamserver with an intuitive GUI built with Qt6. This guide was tested on Ubuntu 22

cd ~/Havoc mkdir profiles nano profiles/teamserver.yaml Paste a minimal configuration (adjust IP to your server's IP):

cd ~/Havoc/teamserver ./teamserver -c ../profiles/teamserver.yaml You should see: [+] Teamserver started on port 40056