ssh-audit

ssh-audit is a tool for ssh server auditing.

Features

• grab banner, detect ssh1 protocol and zlib compression;
• gather key-exchange, host-key, encryption and message authentication code algorithms;
• output algorithm information (available since, removed/disabled, unsafe/weak/legacy, etc);
• historical information from OpenSSH and Dropbear SSH;
• no dependencies, compatible with python2 and python3;

Usage

usage: ssh-audit.py [-nv] host[:port]

   -v  verbose
   -n  disable colors

Verbose flag will fill each row, i.e, not leave blanks, for easier usage with batch scripts or with manual grepping.

example

ChangeLog

v1.0.20160207

• use OpenSSH 7.2 banner
• additional warnings for OpenSSH 7.2
• fix OpenSSH 7.0 failure messages
• add rijndael-cbc failure message from OpenSSH 6.7

v1.0.20160105

• multiple additional warnings
• support for none algorithm
• better compression handling
• ensure reading enough data (fixes few Linux SSH)

v1.0.20151230

• Dropbear SSH support

v1.0.20151223

• initial version