High Severity | M0112
🔐 Android SSL Pinning Bypass
🧠 Description
SSL Pinning is a security mechanism that binds the app's HTTPS traffic to a specific certificate or public key to prevent MITM attacks. Bypassing SSL pinning allows intercepting encrypted traffic for security testing.
🎣 Frida Script Bypass
# Universal SSL Unpinning
# Save as unpin.js and run
Java.perform(function() {
var TrustManagerImpl = Java.use('com.android.org.conscrypt.TrustManagerImpl');
TrustManagerImpl.verifyChain.implementation = function(chain, authType, session) {
return chain;
}
});
// More comprehensive script
// https://github.com/httptoolkit/frida-android-unpinning
# Run with Frida
frida -U -f com.target.app -l unpin.js --no-pause
🛠️ Objection Tool
# Install objection pip install objection # Launch app with objection objection explore -s "android hooking set launcher-activity" # Disable SSL pinning android sslpinning disable # Or use specific module android hooking set method com.target.SSLManager.verify false # Dump memory memory dump all unfiltered
📱 Xposed Modules
# Install Xposed framework on rooted device # Install modules: # - JustTrustMe # - SSLUnpin # - ProxySelector # RootCBAY bypass module # https://github.com_AC/RootCBD # Enable modules in Xposed app # Reboot device # SSL pinning should be bypassed
🔧 Manual Bypass
# Patch APK to disable pinning # 1. Decompile APK apktool d target.apk # 2. Find SSL pinning code grep -r "X509TrustManager" target/ grep -r "checkServerTrusted" target/ # 3. Patch the trust manager # Modify checkServerTrusted to return empty # 4. Recompile apktool b target -o target-patched.apk # 5. Sign jarsigner -verbose -keystore my.keystore target-patched.apk alias_name