brew / rank 6666

Install ssh-mitm with Homebrew, Nix

SSH server for security audits and malware analysis. Version 5.0.1 via Homebrew; verified from local package data. Also installable with nix: nix profile install nixpkgs#ssh-mitm.

Install command Security notes

install

Additional install commands

macOS

Homebrewverified · 100%

brew install ssh-mitm

local Homebrew formula metadata

Linux

Nixverified · 92%

nix profile install nixpkgs#ssh-mitm

nixpkgs package indexes · pkgs/by-name/ss/ssh-mitm/package.nix · source: api.github.com

overview

Package summary

SSH server for security audits and malware analysis

Project links

Commands and aliases

ssh-mitm
ssh-mitm-askpass

history

Project history and usage

SSH-MITM is an interactive SSH interception tool for authorized security audits, penetration testing, training labs, and malware-analysis environments. Its package-manager relevance comes from making a specialized man-in-the-middle SSH audit workflow installable as a normal CLI rather than as a one-off lab script.

Project history

The project presents itself as an active security research tool rather than a general-purpose SSH server. Its documentation says it was originally developed to study SSH client behavior and authentication weaknesses, especially the ambiguity around FIDO2 hardware-token confirmations in man-in-the-middle scenarios.

Adoption history

The official README advertises multiple distribution channels, including AppImage, Flatpak, Snap, pip, and direct installation from GitHub. Homebrew and Nix packaging in the input show that it also entered package-manager catalogs used by security engineers who want reproducible CLI installs.

How it is used

Typical use places SSH-MITM between a client and a target SSH server, then runs commands such as `ssh-mitm server --remote-host <target-host>` and has a test client connect through the interception port. The tool can capture authentication, mirror live sessions, inspect or alter SFTP/SCP transfers, intercept port forwarding, and run audit plugins.

Why package nerds care

Package nerds care because SSH-MITM turns SSH protocol research into an installable command with extras such as tutorials, plugins, AppImage and desktop packaging, and documented CVE-driven audit workflows. It sits at the edge of package-manager culture where offensive security labs, training images, and repeatable toolchains meet.

Timeline

2021: SSH-MITM research documented trivial-authentication CVEs affecting multiple SSH clients.
2022: The project documented follow-up CVEs related to the same SSH authentication research area.
2025: The changelog documents expansion into tutorials, plugin browsing, MOSH and PowerShell remoting interception, persistent host keys, and Terrapin detection improvements.

Related projects

SSH-MITM is closely related to OpenSSH, Paramiko, MOSH, SCP/SFTP clients, and SSH client vulnerability research. It is complementary to scanners and audit tools because it observes and manipulates live SSH sessions rather than only checking static configuration.

Sources

security posture

Risk level: red

broad file, network, media, or database tool signal. escape, surveillance, or offensive capability signal.

Risk classifier

red risk · medium confidence · escape-surveillance-offensive

Why

broad file, network, media, or database tool signal
escape, surveillance, or offensive capability signal

Signals

text:mitm
text:ssh,server

Install behavior

No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

Command	Kind	Exposure	Note
`ssh-mitm`	executable	indexed executable	Discovered from the local executable index.
`ssh-mitm-askpass`	executable	indexed executable	Discovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03

manager version5.0.1

manager updated

local dataunknown

upstreamnot available

latest detectednot detected

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:ssh-mitm
Version	5.0.1
Package manager	Homebrew
Homepage	https://docs.ssh-mitm.at
Repository	https://github.com/ssh-mitm/ssh-mitm
Bottle	not recorded
Service	none declared

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

ssh-mitm

nix profile install nixpkgs#ssh-mitm

normalized package name match
Matched by: Ssh Mitm

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/ss/ssh-mitm/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/ssh-mitm.yml

Used sources

Geiger risk classifier
cross-ecosystem install command graph
curated package history
external package-manager database matches
pkg.so package database
pkgdb category and tag curation