ssh mitm server for security audits supporting publickey authentication, session hijacking and file manipulation
SSH-MITM - ssh audits made simple
ssh man-in-the-middle (ssh-mitm) server for security audits supporting
publickey authentication, session hijacking and file manipulation
Table of Contents
- Session hijacking
- Publickey authentication
SSH-MITM is a man in the middle SSH Server for security audits and malware analysis.
Password and publickey authentication are supported and SSH-MITM is able to detect, if a user is able to login with publickey authentication on the remote server. This allows SSH-MITM to acccept the same key as the destination server. If publickey authentication is not possible, the authentication will fall back to password-authentication.
When publickey authentication is possible, a forwarded agent is needed to login to the remote server. In cases, when no agent was forwarded, SSH-MITM can rediredt the session to a honeypot.
- publickey authentication
- accept same key as destination server
- hijacking and logging of terminal sessions
- store and replace files during SCP/SFTP file transferes
- port porwarding
- audit clients against known vulnerabilities
- plugin support
# install ssh-mitm as snap package $ sudo snap install ssh-mitm # install ssh-mitm as python pip package $ pip install ssh-mitm
To start SSH-MITM, all you have to do is run this command in your terminal of choice.
$ ssh-mitm --remote-host 192.168.0.x
Now let's try to connect. SSH-MITM is listening on port 10022.
$ ssh -p 10022 testuser@proxyserver
You will see the credentials in the log output.
INFO Remote authentication succeeded Remote Address: 127.0.0.1:22 Username: testuser Password: secret Agent: no agent
Getting the plain text credentials is only half the fun. When a client connects, the ssh-mitm starts a new server, which is used for session hijacking.
INFO ℹ created mirrorshell on port 34463. connect with: ssh -p 34463 127.0.0.1
To hijack the session, you can use your favorite ssh client.
$ ssh -p 34463 127.0.0.1
Try to execute somme commands in the hijacked session or in the original session.
The output will be shown in both sessions.
SSH-MITM is able to verify, if a user is able to login with publickey authentication on the remote server. If publickey authentication is not possible, SSH-MITM falls back to password authentication. This step does not require a forwarded agent.
For a full login on the remote server agent forwarding is still required. When no agent was forwarded, SSH-MITM can redirect the connection to a honeypot.
ssh-mitm --fallback-host username:password@hostname:port
Pull requests are welcome.
For major changes, please open an issue first to discuss what you would like to change.
See also the list of contributors who participated in this project.
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