id: openssh-detection

info:
  name: OpenSSH Detection
  author: r3dg33k,daffainfo,iamthefrogy
  severity: info
  reference:
    - http://www.openwall.com/lists/oss-security/2016/08/01/2
    - http://www.openwall.com/lists/oss-security/2018/08/15/5
    - https://nvd.nist.gov/vuln/detail/CVE-2016-6210
    - https://nvd.nist.gov/vuln/detail/CVE-2018-15473
    - http://seclists.org/fulldisclosure/2016/Jul/51
  tags: network,ssh,openssh
  description: |
    OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking, and other attacks. In addition, OpenSSH provides a large suite of secure tunneling capabilities, several authentication methods, and sophisticated configuration options.


network:
  - host:
      - "{{Hostname}}"
      - "{{Host}}:22"

    matchers:
      - type: regex
        regex:
          - '(?i)OpenSSH'

    extractors:
      - type: regex
        regex:
          - '(?i)SSH-(.*)-OpenSSH_[^\r]+'