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Nuclei Templates

Change SSH Default Port

ID: file-change-default-port

Severity: info

Author: pussycat0x

Tags: audit,config,file,ssh

Description

Section titled “Description”

Reduces Automated Attacks: Changing the default port can help avoid most automated attacks that target port 22.

YAML Source

Section titled “YAML Source”
id: file-change-default-port


info:
  name: Change SSH Default Port
  author: pussycat0x
  severity: info
  description: |
    Reduces Automated Attacks: Changing the default port can help avoid most automated attacks that target port 22.
  remediation: |
    Set Port 2222 in /etc/ssh/sshd_config to change the default SSH port and restart the SSH service.
  reference:
    - https://vishalraj82.medium.com/hardening-openssh-security-37f5d634015f
    - https://gcore.com/learning/how-to-change-ssh-port/
  metadata:
    verified: true
  tags: audit,config,file,ssh


file:
  - extensions:
      - all


    matchers:
      - type: word
        words:
          - "#Port 22"
          - "# This is the sshd server system-wide configuration file"
        condition: and
# digest: 4a0a00473045022100e31a7b6e239ee575928c298085701bd16125c3c72e86466f51bebf03b782d9880220237893576668b4ebbb1904c323ff9e686059513594457a6d1a35daf608a6d700:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "file/audit/ssh/file-change-default-port.yaml"

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