SMB Default Credential - Bruteforce

ID: smb-default-creds

Severity: high

Author: pussycat0x

Tags: js,network,smb,enum,default,bruteforce

Description

Attempts to guess username/password combinations over SMB.

YAML Source

id: smb-default-creds

info:
  name: SMB Default Credential - Bruteforce
  author: pussycat0x
  severity: high
  description: |
    Attempts to guess username/password combinations over SMB.
  reference:
    - https://nmap.org/nsedoc/scripts/smb-brute.html
  metadata:
    verified: true
    max-request: 9
    shodan-query: "port:445"
    product: dionaea
    vendor: dionaea
  tags: js,network,smb,enum,default,bruteforce

javascript:
  - pre-condition: |
      isPortOpen(Host,Port);
    code: |
      var m = require("nuclei/smb");
      var c = new m.SMBClient();
      var response = c.ListShares(Host, Port, User, Pass);
      response;

    args:
      Host: "{{Host}}"
      Port: "445"
      User: "{{usernames}}"
      Pass: "{{passwords}}"

    attack: clusterbomb
    payloads:
      usernames:
        - 'admin'
        - 'administrator'
        - 'guest'
      passwords:
        - 'admin'
        - 'password'
        - 'guest'

    stop-at-first-match: true
    matchers:
      - type: dsl
        dsl:
          - 'response != "[]"'
          - 'success == true'
        condition: and
# digest: 490a00463044022062606bafc6ff342a0f2e7e8e44015f05fbb539fac9041c45df35e854d632e27f02205a8239738c388d326686622473a738cda8a21066a95f4aae3856367e1ddf88f6:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "javascript/enumeration/smb/smb-default-creds.yaml"

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