nuclei-templates/javascript/enumeration/ssh-weak-algo-supported.yaml

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id: ssh-weak-algo-supported
info:
name: SSH Weak Algorithms Supported
author: pussycat0x
severity: medium
description: |
SSH weak algorithms are outdated cryptographic methods that pose security risks. Identifying and disabling these vulnerable algorithms is crucial for enhancing the overall security of SSH connections.
reference:
- https://www.tenable.com/plugins/nessus/90317
metadata:
verified: true
max-request: 1
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shodan-query: product:"OpenSSH"
tags: javascript,ssh,misconfig,network
javascript:
- code: |
let m = require("nuclei/ssh");
let c = m.SSHClient();
let response = c.ConnectSSHInfoMode(Host, Port);
to_json(response);
args:
Host: "{{Host}}"
Port: "22"
matchers-condition: and
matchers:
- type: word
words:
- "client_to_server_ciphers"
- "server_to_client_ciphers"
condition: and
- type: word
words:
- "arcfour"
- "arcfour128"
- "arcfour256"
condition: or
# digest: 4a0a004730450220791c269bff8f611f822a1b188ec392166f2febf667e190377543580639a592ec022100cfc30025a071503bde04a61e8954bb7eea5a8ee55e38fd8efc67c817619832cf:922c64590222798bb761d5b6d8e72950