DeimosC2 : A Golang Command & Control Framework For Post-Exploitation

DeimosC2 is a post-exploitation Command & Control (C2) tool that leverages multiple communication methods in order to control machines that have been compromised.

DeimosC2 server and agents works on, and has been tested on, Windows, Darwin, and Linux. It is entirely written in Golang with a front end written in Vue.js.

Listener Features

Each listener has it’s own RSA Pub and Private key that is leveraged to wrap encrypted agent communications.
Dynamically generate agents on the fly
Graphical map of listener and agents that are tied to it

Agent Features

Agent list page to give high level overview
Agent interaction page containing info of agent, ability to run jobs against agent, filebrowser, loot data, and ability to add comments

Supported Agents

TCP
HTTPS
DoH (DNS over HTTPS)
QUIC
Pivot over TCP

Frontend Features

Multi-User support with roles of admin and user
Graphs and visual interaction with listeners and agents
Password length requirements
2FA Authentication using Google MFA
Websocket API Calls

Getting Started and Help

You can download the latest release and view the wiki for any assistance getting started or running the C2.

Submitting Issues

We welcome issues to be opened to help improve this project and keep it going. For bugs please use the template.

Authors

Chase Dardaman (@CharlesDardaman)
Quentin Rhoads-Herrera (@paragonsec)
Elvira Sheina (developeruz)
Blase Brignac (@BlaiseBrignac)

Credits

In order to develop this we used some of the awesome work of others. Below is a list of those we either used their code or were inspired by. If we missed you please let us know so we can add your name!

lsassy by @HackAndDo used for some Windows modules
goDoH by @leonjza from SensePost used for DoH
BishopFox Sliver used in some places as they already did a fanstastic job
Merlin used for reflective DLLs support
dgoogauth used for the 2FA functionality
gobfuscate used to support agent obfuscation
Stack Overflow because isn’t this how we develop now?

Disclaimer

This program should only be used on environments that you own or have explicit permission to do so. Neither the authors, nor Critical Start, Inc., will be held liable for any illegal use of this program.

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