Mobile TLS Pinning Bypass
Что такое Mobile TLS Pinning Bypass?
Mobile TLS Pinning BypassThe category of techniques used to disable certificate pinning in a mobile app — typically via Frida or Objection hooks on platform TLS APIs — so a pen-tester or attacker can run a man-in-the-middle proxy and inspect API traffic.
Many mobile apps implement TLS certificate (or public-key) pinning to ensure that traffic to a known backend cannot be intercepted by a CA-issued certificate the user trusts. Pinning is the right default for any high-value app, but it also blocks legitimate traffic inspection by mobile pen-testers, fraud analysts, and AppSec teams. Mobile TLS pinning bypass refers to the set of techniques used to disable pinning at run-time inside a controlled test environment, almost always with Frida or its higher-level wrapper Objection: hooks on Android's `X509TrustManagerExtensions.checkServerTrusted`, `okhttp3.CertificatePinner.check`, and `WebViewClient.onReceivedSslError`; on iOS hooks on `SSLSetSessionOption`, `URLSession`'s authentication-challenge delegates, and TrustKit's `TSKPinningValidator`. Pre-canned scripts cover the common HTTP clients (OkHttp, Retrofit, AFNetworking, Alamofire). On the defensive side, MASVS controls require pinning, and apps targeting threat models that include hostile devices add hardware-backed attestation (Play Integrity, App Attest) plus integrity checks to detect Frida instrumentation; the resulting cat-and-mouse is one of the central themes of mobile AppSec.
● Примеры
- 01
An AppSec tester runs Objection's `android sslpinning disable` to MITM an Android banking app's API traffic via Burp Suite.
- 02
A defender adds an additional anti-Frida check that aborts the app if it detects `frida-agent` mapped into the process memory, complementing pinning.
● Частые вопросы
Что такое Mobile TLS Pinning Bypass?
The category of techniques used to disable certificate pinning in a mobile app — typically via Frida or Objection hooks on platform TLS APIs — so a pen-tester or attacker can run a man-in-the-middle proxy and inspect API traffic. Относится к категории Мобильная безопасность в кибербезопасности.
Что означает Mobile TLS Pinning Bypass?
The category of techniques used to disable certificate pinning in a mobile app — typically via Frida or Objection hooks on platform TLS APIs — so a pen-tester or attacker can run a man-in-the-middle proxy and inspect API traffic.
Как работает Mobile TLS Pinning Bypass?
Many mobile apps implement TLS certificate (or public-key) pinning to ensure that traffic to a known backend cannot be intercepted by a CA-issued certificate the user trusts. Pinning is the right default for any high-value app, but it also blocks legitimate traffic inspection by mobile pen-testers, fraud analysts, and AppSec teams. Mobile TLS pinning bypass refers to the set of techniques used to disable pinning at run-time inside a controlled test environment, almost always with Frida or its higher-level wrapper Objection: hooks on Android's `X509TrustManagerExtensions.checkServerTrusted`, `okhttp3.CertificatePinner.check`, and `WebViewClient.onReceivedSslError`; on iOS hooks on `SSLSetSessionOption`, `URLSession`'s authentication-challenge delegates, and TrustKit's `TSKPinningValidator`. Pre-canned scripts cover the common HTTP clients (OkHttp, Retrofit, AFNetworking, Alamofire). On the defensive side, MASVS controls require pinning, and apps targeting threat models that include hostile devices add hardware-backed attestation (Play Integrity, App Attest) plus integrity checks to detect Frida instrumentation; the resulting cat-and-mouse is one of the central themes of mobile AppSec.
Как защититься от Mobile TLS Pinning Bypass?
Защита от Mobile TLS Pinning Bypass обычно сочетает технические меры и операционные практики, как описано в определении выше.
Какие есть другие названия Mobile TLS Pinning Bypass?
Распространённые альтернативные названия: Certificate pinning bypass, Frida pinning bypass.
● Связанные термины
- network-security№ 175
Закрепление сертификатов (pinning)
Метод, при котором приложение жёстко привязывается к ожидаемому сертификату или открытому ключу и отклоняет несовпадающие TLS-соединения, обходя скомпрометированные или мошеннические УЦ.
- mobile-security№ 772
Безопасность мобильных приложений
Практика проектирования, разработки и тестирования iOS- и Android-приложений для защиты данных пользователя, предотвращения реверс-инжиниринга и противодействия модификации во время выполнения.
- mobile-security№ 481
Frida Dynamic Instrumentation
An open-source dynamic instrumentation toolkit by Ole André Vadla Ravnås that lets researchers hook, trace, and rewrite functions inside running processes on Android, iOS, Windows, macOS, and Linux — the de facto tool for mobile app reverse engineering and bypass research.
- compliance№ 871
OWASP MASVS
OWASP Mobile Application Security Verification Standard — базовый набор проверяемых требований безопасности для мобильных приложений iOS и Android.
- attacks№ 724
Атака «человек посередине» (MitM)
Атака, при которой злоумышленник тайно ретранслирует или изменяет сообщения между двумя сторонами, считающими, что они общаются напрямую.
- network-security№ 1279
TLS (Transport Layer Security)
Стандартизованный IETF криптографический протокол, обеспечивающий конфиденциальность, целостность и аутентификацию трафика между двумя сетевыми приложениями.