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domainnamepredictor's Introduction

dnp — domain name predictor

Python 2&3

一个简单的现代化公司域名使用规律预测及生成工具

A simple modernized enterprise domain name predictor and generator

Snapshot

Q&A

  • 什么叫 "现代化" 公司?

    我个人主观判断上的不成熟定义,就是公司整体 IT 基础设施和架构设计完善,会使用微服务、协同开发、自动化测试、自动化打包发布、自动化部署、自动化日志收集和自动化运维监控等多项 "现代化" 的技术解决高并发等较大体量业务问题的公司;

    这些公司或组织团体一般有较多业务,以互联网领域、近些年新成立的公司居多,域名命名及分配使用比较规范。

  • 什么是域名预测

    简答来讲就是基于 "现代化" 公司比较规范的域名使用规律已经使用的新技术架构,在已知某个域名后,预测该域名可能有哪些变体形式的域名。

    举一个简单的例子:

    已知 A 公司有一个域名 shoot.A.com,那么对应的接口服务域名可能是 api.shoot.A.comshoot.restful-api.A.comshoot-api.A.com 等;

    测试、预发等不同环境的域名可能是

    shoot-api.test.A.comtest.api.shoot.A.compre.shoot-api.A.com 等;

    对应的不同环境的管理监控域名可能是 shoot-monitor.dev.A.comshoot-dev-monitor.A.comst1.shoot-dashboard.A.com 等;

    对应不同负载代理的域名可能是 shoot-api.corp.A.comapi.shoot.internal.A.com 等;

    对应的后端 api 服务生产环境的域名可能是 backend-api.prod.shoot.A.combackend-api-prod.shoot.A.com等。

    当然,在缺少域名前缀,仅知道域名为 A.com 时,也可以按照此规律直接进行预测。

  • 为什么要写这个工具?

    随着对许多 "现代化" 业务的接触和实际渗透测试,我发现在域名的探测这个很小的领域中,现有的子域名爆破、第三方服务接口查询都不能很好的覆盖到 域名预测 这个概念。

    这样当你得到 shoot.A.com 域名后,很可能会遗漏上面举例中的相关重要域名,导致 "灯下黑"。

  • 这个工具可以干什么?

    按照配置文件和生成规则来完成上述的域名预测,生成完整的域名字典。

    目前一个域名在 simple 规则下大概生成 6w—7w 左右个域名,在 default 规则下生成 26w—29w 个域名。

    生成完域名后可以用支持完整域名验证的工具去验证域名是否存在,比如使用 ksubdomain 命令 subdomain -f predictor-domains.txt -verify

Download

git clone https://www.github.com/landgrey/domainNamePredictor.git
cd domainNamePredictor/
pip install -r requirements.txt
chmod +x dnp.py
python dnp.py

Usage

python dnp.py -d A.com
python dnp.py -f A.com-domains.txt -m simple
python dnp.py -d demo.A.com -m simple -o /tmp/predictor-a.com.txt

相似项目

https://github.com/codingo/DNSCewl

https://github.com/infosec-au/altdns

https://github.com/Josue87/gotator

https://github.com/bp0lr/dmut

https://github.com/ProjectAnte/dnsgen

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