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Nuclei Templates

Hide SSH Last Login Information

ID: file-hide-last-login-information

Severity: unknown

Author: pussycat0x

Tags: audit,config,file,ssh

Description

Section titled “Description”

SSH last login information helps detect unauthorized access but may expose user activity details to attackers.

YAML Source

Section titled “YAML Source”
id: file-hide-last-login-information


info:
  name: Hide SSH Last Login Information
  author: pussycat0x
  severity: unknown
  description: |
    SSH last login information helps detect unauthorized access but may expose user activity details to attackers.
  remediation: |
    Set PrintLastLog no in /etc/ssh/sshd_config to disable last login information and restart the SSH service.
  reference:
    - https://vishalraj82.medium.com/hardening-openssh-security-37f5d634015f
    - https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209441
  metadata:
    verified: true
  tags: audit,config,file,ssh


file:
  - extensions:
      - all


    matchers-condition: and
    matchers:
      - type: word
        words:
          - "# This is the sshd server system-wide configuration file"


      - type: word
        words:
          - "PrintLastLog no"
        negative: true
# digest: 4a0a0047304502203511c2c0820b0cdc82fa8a38fd494d06ff1437847cc3620ac9ebdde0526e884e02210080479f74b9d93b28e4bd7c01629aa70bcaacfd2778b6f65acd0e5ebcf6379e27:922c64590222798bb761d5b6d8e72950

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-hide-last-login-information.yaml"

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