Пентестинг. Этичный хакинг. | United States America (US)

Create: 2025-06-21 Update: 2025-07-09 05:18:55

🔍 Узнаем секреты DNS: что скрывает ваш сервер?
Привет! Представь: у тебя есть корпоративный DNS-сервер (это как «телефонная книга» интернета в компании). Можно ли узнать, какие сайты/сервисы недавно искали сотрудники - без взлома, паролей и эксплойтов?

Ответ: Да!
Это называется DNS Cache Snooping (подглядывание за кэшем).

Как это работает?
1 DNS-сервер хранит «память» (кэш) о недавних запросах:
→ внутренний-сервер.компания, секретный-портал.com, vpn.офис.
2 Отправляем ему хитрый запрос:
«Эй, DNS, есть запись для внутренний-сервер.компания? Но не ищи её в интернете — ответь только если знаешь наизусть!»
3 Если сервер «подсмотрел» домен раньше — он ответит.
Если не знает — скажет «не могу помочь».

Вот как это можно проверить...

команда для Linux/macOS)

dig @IP_сервера vpn.ваша_компания.ру +short

→ Если видишь IP — домен в кэше!
→ Пустой ответ? Сервер его не помнит.

Зачем это пентестеру?
• Найти скрытые сервисы: dev.компания, backup.локальный, управление.принтерами.
• Узнать, какие сайты посещают сотрудники.
• Важно: Это не взлом! Просто «опрос» сервера.

Подписывайтесь на канал и делитесь постом! Спасибо!

#Pentesting #cybersecurity

Пентестинг. Этичный хакинг.

dig @IP_сервера vpn.ваша_компания.ру +short

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🔍 Узнаем секреты DNS: что скрывает ваш сервер?

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