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/* Android ssl certificate pinning bypass script for various methods by Maurizio Siddu Run with: frida -U -f [APP_ID] -l frida_multiple_unpinning.js --no-pause */
setTimeout(function() { Java.perform(function() { console.log(''); console.log('======'); console.log('[#] Android Bypass for various Certificate Pinning methods [#]'); console.log('======');
var X509TrustManager = Java.use('javax.net.ssl.X509TrustManager'); var SSLContext = Java.use('javax.net.ssl.SSLContext'); // TrustManager (Android < 7) //
////////////////////////////////
var TrustManager = Java.registerClass({ // Implement a custom TrustManager
name: 'dev.asd.test.TrustManager', implements: [X509TrustManager], methods: { checkClientTrusted: function(chain, authType) {}, checkServerTrusted: function(chain, authType) {}, getAcceptedIssuers: function() {return []; } } }); // Prepare the TrustManager array to pass to SSLContext.init()
var TrustManagers = [TrustManager.$new()]; // Get a handle on the init() on the SSLContext class
var SSLContext_init = SSLContext.init.overload( '[Ljavax.net.ssl.KeyManager;', '[Ljavax.net.ssl.TrustManager;', 'java.security.SecureRandom'); try { // Override the init method, specifying the custom TrustManager
SSLContext_init.implementation = function(keyManager, trustManager, secureRandom) { console.log('[+] Bypassing Trustmanager (Android < 7) pinner'); SSLContext_init.call(this, keyManager, TrustManagers, secureRandom); }; } catch (err) { console.log('[-] TrustManager (Android < 7) pinner not found'); //console.log(err);
}
// OkHTTPv3 (quadruple bypass) //
/////////////////////////////////
try { // Bypass OkHTTPv3 {1}
var okhttp3_Activity_1 = Java.use('okhttp3.CertificatePinner'); okhttp3_Activity_1.check.overload('java.lang.String', 'java.util.List').implementation = function(a, b) { console.log('[+] Bypassing OkHTTPv3 {1}: ' + a); return; }; } catch (err) { console.log('[-] OkHTTPv3 {1} pinner not found'); //console.log(err);
} try { // Bypass OkHTTPv3 {2}
// This method of CertificatePinner.check is deprecated but could be found in some old Android apps
var okhttp3_Activity_2 = Java.use('okhttp3.CertificatePinner'); okhttp3_Activity_2.check.overload('java.lang.String', 'java.security.cert.Certificate').implementation = function(a, b) { console.log('[+] Bypassing OkHTTPv3 {2}: ' + a); return; }; } catch (err) { console.log('[-] OkHTTPv3 {2} pinner not found'); //console.log(err);
} try { // Bypass OkHTTPv3 {3}
var okhttp3_Activity_3 = Java.use('okhttp3.CertificatePinner'); okhttp3_Activity_3.check.overload('java.lang.String', '[Ljava.security.cert.Certificate;').implementation = function(a, b) { console.log('[+] Bypassing OkHTTPv3 {3}: ' + a); return; }; } catch(err) { console.log('[-] OkHTTPv3 {3} pinner not found'); //console.log(err);
} try { // Bypass OkHTTPv3 {4}
var okhttp3_Activity_4 = Java.use('okhttp3.CertificatePinner'); //okhttp3_Activity_4['check$okhttp'].implementation = function(a, b) {
okhttp3_Activity_4.check$okhttp.overload('java.lang.String', 'kotlin.jvm.functions.Function0').implementation = function(a, b) { console.log('[+] Bypassing OkHTTPv3 {4}: ' + a); return; }; } catch(err) { console.log('[-] OkHTTPv3 {4} pinner not found'); //console.log(err);
}
// Trustkit (triple bypass) //
//////////////////////////////
try { // Bypass Trustkit {1}
var trustkit_Activity_1 = Java.use('com.datatheorem.android.trustkit.pinning.OkHostnameVerifier'); trustkit_Activity_1.verify.overload('java.lang.String', 'javax.net.ssl.SSLSession').implementation = function(a, b) { console.log('[+] Bypassing Trustkit {1}: ' + a); return true; }; } catch (err) { console.log('[-] Trustkit {1} pinner not found'); //console.log(err);
} try { // Bypass Trustkit {2}
var trustkit_Activity_2 = Java.use('com.datatheorem.android.trustkit.pinning.OkHostnameVerifier'); trustkit_Activity_2.verify.overload('java.lang.String', 'java.security.cert.X509Certificate').implementation = function(a, b) { console.log('[+] Bypassing Trustkit {2}: ' + a); return true; }; } catch (err) { console.log('[-] Trustkit {2} pinner not found'); //console.log(err);
} try { // Bypass Trustkit {3}
var trustkit_PinningTrustManager = Java.use('com.datatheorem.android.trustkit.pinning.PinningTrustManager'); trustkit_PinningTrustManager.checkServerTrusted.overload('[Ljava.security.cert.X509Certificate;', 'java.lang.String').implementation = function(chain, authType) { console.log('[+] Bypassing Trustkit {3}'); //return;
}; } catch (err) { console.log('[-] Trustkit {3} pinner not found'); //console.log(err);
} // TrustManagerImpl (Android > 7) //
////////////////////////////////////
try { // Bypass TrustManagerImpl (Android > 7) {1}
var array_list = Java.use("java.util.ArrayList"); var TrustManagerImpl_Activity_1 = Java.use('com.android.org.conscrypt.TrustManagerImpl'); TrustManagerImpl_Activity_1.checkTrustedRecursive.implementation = function(certs, ocspData, tlsSctData, host, clientAuth, untrustedChain, trustAnchorChain, used) { console.log('[+] Bypassing TrustManagerImpl (Android > 7) checkTrustedRecursive check: '+ host); return array_list.$new(); }; } catch (err) { console.log('[-] TrustManagerImpl (Android > 7) checkTrustedRecursive check not found'); //console.log(err);
} try { // Bypass TrustManagerImpl (Android > 7) {2} (probably no more necessary)
var TrustManagerImpl_Activity_2 = Java.use('com.android.org.conscrypt.TrustManagerImpl'); TrustManagerImpl_Activity_2.verifyChain.implementation = function(untrustedChain, trustAnchorChain, host, clientAuth, ocspData, tlsSctData) { console.log('[+] Bypassing TrustManagerImpl (Android > 7) verifyChain check: ' + host); return untrustedChain; }; } catch (err) { console.log('[-] TrustManagerImpl (Android > 7) verifyChain check not found'); //console.log(err);
}
// Appcelerator Titanium PinningTrustManager //
///////////////////////////////////////////////
try { var appcelerator_PinningTrustManager = Java.use('appcelerator.https.PinningTrustManager'); appcelerator_PinningTrustManager.checkServerTrusted.implementation = function(chain, authType) { console.log('[+] Bypassing Appcelerator PinningTrustManager'); return; }; } catch (err) { console.log('[-] Appcelerator PinningTrustManager pinner not found'); //console.log(err);
}
// Fabric PinningTrustManager //
////////////////////////////////
try { var fabric_PinningTrustManager = Java.use('io.fabric.sdk.android.services.network.PinningTrustManager'); fabric_PinningTrustManager.checkServerTrusted.implementation = function(chain, authType) { console.log('[+] Bypassing Fabric PinningTrustManager'); return; }; } catch (err) { console.log('[-] Fabric PinningTrustManager pinner not found'); //console.log(err);
}
// OpenSSLSocketImpl Conscrypt (double bypass) //
/////////////////////////////////////////////////
try { var OpenSSLSocketImpl = Java.use('com.android.org.conscrypt.OpenSSLSocketImpl'); OpenSSLSocketImpl.verifyCertificateChain.implementation = function(certRefs, JavaObject, authMethod) { console.log('[+] Bypassing OpenSSLSocketImpl Conscrypt {1}'); }; } catch (err) { console.log('[-] OpenSSLSocketImpl Conscrypt {1} pinner not found'); //console.log(err);
} try { var OpenSSLSocketImpl = Java.use('com.android.org.conscrypt.OpenSSLSocketImpl'); OpenSSLSocketImpl.verifyCertificateChain.implementation = function(certChain, authMethod) { console.log('[+] Bypassing OpenSSLSocketImpl Conscrypt {2}'); }; } catch (err) { console.log('[-] OpenSSLSocketImpl Conscrypt {2} pinner not found'); //console.log(err);
}
// OpenSSLEngineSocketImpl Conscrypt //
///////////////////////////////////////
try { var OpenSSLEngineSocketImpl_Activity = Java.use('com.android.org.conscrypt.OpenSSLEngineSocketImpl'); OpenSSLEngineSocketImpl_Activity.verifyCertificateChain.overload('[Ljava.lang.Long;', 'java.lang.String').implementation = function(a, b) { console.log('[+] Bypassing OpenSSLEngineSocketImpl Conscrypt: ' + b); }; } catch (err) { console.log('[-] OpenSSLEngineSocketImpl Conscrypt pinner not found'); //console.log(err);
}
// OpenSSLSocketImpl Apache Harmony //
//////////////////////////////////////
try { var OpenSSLSocketImpl_Harmony = Java.use('org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl'); OpenSSLSocketImpl_Harmony.verifyCertificateChain.implementation = function(asn1DerEncodedCertificateChain, authMethod) { console.log('[+] Bypassing OpenSSLSocketImpl Apache Harmony'); }; } catch (err) { console.log('[-] OpenSSLSocketImpl Apache Harmony pinner not found'); //console.log(err);
}
// PhoneGap sslCertificateChecker //
////////////////////////////////////
try { var phonegap_Activity = Java.use('nl.xservices.plugins.sslCertificateChecker'); phonegap_Activity.execute.overload('java.lang.String', 'org.json.JSONArray', 'org.apache.cordova.CallbackContext').implementation = function(a, b, c) { console.log('[+] Bypassing PhoneGap sslCertificateChecker: ' + a); return true; }; } catch (err) { console.log('[-] PhoneGap sslCertificateChecker pinner not found'); //console.log(err);
}
// IBM MobileFirst pinTrustedCertificatePublicKey (double bypass) //
////////////////////////////////////////////////////////////////////
try { // Bypass IBM MobileFirst {1}
var WLClient_Activity_1 = Java.use('com.worklight.wlclient.api.WLClient'); WLClient_Activity_1.getInstance().pinTrustedCertificatePublicKey.overload('java.lang.String').implementation = function(cert) { console.log('[+] Bypassing IBM MobileFirst pinTrustedCertificatePublicKey {1}: ' + cert); return; }; } catch (err) { console.log('[-] IBM MobileFirst pinTrustedCertificatePublicKey {1} pinner not found'); //console.log(err);
} try { // Bypass IBM MobileFirst {2}
var WLClient_Activity_2 = Java.use('com.worklight.wlclient.api.WLClient'); WLClient_Activity_2.getInstance().pinTrustedCertificatePublicKey.overload('[Ljava.lang.String;').implementation = function(cert) { console.log('[+] Bypassing IBM MobileFirst pinTrustedCertificatePublicKey {2}: ' + cert); return; }; } catch (err) { console.log('[-] IBM MobileFirst pinTrustedCertificatePublicKey {2} pinner not found'); //console.log(err);
}
// IBM WorkLight (ancestor of MobileFirst) HostNameVerifierWithCertificatePinning (quadruple bypass) //
///////////////////////////////////////////////////////////////////////////////////////////////////////
try { // Bypass IBM WorkLight {1}
var worklight_Activity_1 = Java.use('com.worklight.wlclient.certificatepinning.HostNameVerifierWithCertificatePinning'); worklight_Activity_1.verify.overload('java.lang.String', 'javax.net.ssl.SSLSocket').implementation = function(a, b) { console.log('[+] Bypassing IBM WorkLight HostNameVerifierWithCertificatePinning {1}: ' + a); return; }; } catch (err) { console.log('[-] IBM WorkLight HostNameVerifierWithCertificatePinning {1} pinner not found'); //console.log(err);
} try { // Bypass IBM WorkLight {2}
var worklight_Activity_2 = Java.use('com.worklight.wlclient.certificatepinning.HostNameVerifierWithCertificatePinning'); worklight_Activity_2.verify.overload('java.lang.String', 'java.security.cert.X509Certificate').implementation = function(a, b) { console.log('[+] Bypassing IBM WorkLight HostNameVerifierWithCertificatePinning {2}: ' + a); return; }; } catch (err) { console.log('[-] IBM WorkLight HostNameVerifierWithCertificatePinning {2} pinner not found'); //console.log(err);
} try { // Bypass IBM WorkLight {3}
var worklight_Activity_3 = Java.use('com.worklight.wlclient.certificatepinning.HostNameVerifierWithCertificatePinning'); worklight_Activity_3.verify.overload('java.lang.String', '[Ljava.lang.String;', '[Ljava.lang.String;').implementation = function(a, b) { console.log('[+] Bypassing IBM WorkLight HostNameVerifierWithCertificatePinning {3}: ' + a); return; }; } catch (err) { console.log('[-] IBM WorkLight HostNameVerifierWithCertificatePinning {3} pinner not found'); //console.log(err);
} try { // Bypass IBM WorkLight {4}
var worklight_Activity_4 = Java.use('com.worklight.wlclient.certificatepinning.HostNameVerifierWithCertificatePinning'); worklight_Activity_4.verify.overload('java.lang.String', 'javax.net.ssl.SSLSession').implementation = function(a, b) { console.log('[+] Bypassing IBM WorkLight HostNameVerifierWithCertificatePinning {4}: ' + a); return true; }; } catch (err) { console.log('[-] IBM WorkLight HostNameVerifierWithCertificatePinning {4} pinner not found'); //console.log(err);
}
// Conscrypt CertPinManager //
//////////////////////////////
try { var conscrypt_CertPinManager_Activity = Java.use('com.android.org.conscrypt.CertPinManager'); conscrypt_CertPinManager_Activity.checkChainPinning.overload('java.lang.String', 'java.util.List').implementation = function(a, b) { console.log('[+] Bypassing Conscrypt CertPinManager: ' + a); //return;
return true; }; } catch (err) { console.log('[-] Conscrypt CertPinManager pinner not found'); //console.log(err);
}
// Conscrypt CertPinManager (Legacy) //
///////////////////////////////////////
try { var legacy_conscrypt_CertPinManager_Activity = Java.use('com.android.org.conscrypt.CertPinManager'); legacy_conscrypt_CertPinManager_Activity.isChainValid.overload('java.lang.String', 'java.util.List').implementation = function(a, b) { console.log('[+] Bypassing Conscrypt CertPinManager (Legacy): ' + a); return true; }; } catch (err) { console.log('[-] Conscrypt CertPinManager (Legacy) pinner not found'); //console.log(err);
}
// CWAC-Netsecurity (unofficial back-port pinner for Android<4.2) CertPinManager //
///////////////////////////////////////////////////////////////////////////////////
try { var cwac_CertPinManager_Activity = Java.use('com.commonsware.cwac.netsecurity.conscrypt.CertPinManager'); cwac_CertPinManager_Activity.isChainValid.overload('java.lang.String', 'java.util.List').implementation = function(a, b) { console.log('[+] Bypassing CWAC-Netsecurity CertPinManager: ' + a); return true; }; } catch (err) { console.log('[-] CWAC-Netsecurity CertPinManager pinner not found'); //console.log(err);
}
// Worklight Androidgap WLCertificatePinningPlugin //
/////////////////////////////////////////////////////
try { var androidgap_WLCertificatePinningPlugin_Activity = Java.use('com.worklight.androidgap.plugin.WLCertificatePinningPlugin'); androidgap_WLCertificatePinningPlugin_Activity.execute.overload('java.lang.String', 'org.json.JSONArray', 'org.apache.cordova.CallbackContext').implementation = function(a, b, c) { console.log('[+] Bypassing Worklight Androidgap WLCertificatePinningPlugin: ' + a); return true; }; } catch (err) { console.log('[-] Worklight Androidgap WLCertificatePinningPlugin pinner not found'); //console.log(err);
}
// Netty FingerprintTrustManagerFactory //
//////////////////////////////////////////
try { var netty_FingerprintTrustManagerFactory = Java.use('io.netty.handler.ssl.util.FingerprintTrustManagerFactory'); //NOTE: sometimes this below implementation could be useful
//var netty_FingerprintTrustManagerFactory = Java.use('org.jboss.netty.handler.ssl.util.FingerprintTrustManagerFactory');
netty_FingerprintTrustManagerFactory.checkTrusted.implementation = function(type, chain) { console.log('[+] Bypassing Netty FingerprintTrustManagerFactory'); }; } catch (err) { console.log('[-] Netty FingerprintTrustManagerFactory pinner not found'); //console.log(err);
}
// Squareup CertificatePinner [OkHTTP<v3] (double bypass) //
////////////////////////////////////////////////////////////
try { // Bypass Squareup CertificatePinner {1}
var Squareup_CertificatePinner_Activity_1 = Java.use('com.squareup.okhttp.CertificatePinner'); Squareup_CertificatePinner_Activity_1.check.overload('java.lang.String', 'java.security.cert.Certificate').implementation = function(a, b) { console.log('[+] Bypassing Squareup CertificatePinner {1}: ' + a); return; }; } catch (err) { console.log('[-] Squareup CertificatePinner {1} pinner not found'); //console.log(err);
} try { // Bypass Squareup CertificatePinner {2}
var Squareup_CertificatePinner_Activity_2 = Java.use('com.squareup.okhttp.CertificatePinner'); Squareup_CertificatePinner_Activity_2.check.overload('java.lang.String', 'java.util.List').implementation = function(a, b) { console.log('[+] Bypassing Squareup CertificatePinner {2}: ' + a); return; }; } catch (err) { console.log('[-] Squareup CertificatePinner {2} pinner not found'); //console.log(err);
}
// Squareup OkHostnameVerifier [OkHTTP v3] (double bypass) //
/////////////////////////////////////////////////////////////
try { // Bypass Squareup OkHostnameVerifier {1}
var Squareup_OkHostnameVerifier_Activity_1 = Java.use('com.squareup.okhttp.internal.tls.OkHostnameVerifier'); Squareup_OkHostnameVerifier_Activity_1.verify.overload('java.lang.String', 'java.security.cert.X509Certificate').implementation = function(a, b) { console.log('[+] Bypassing Squareup OkHostnameVerifier {1}: ' + a); return true; }; } catch (err) { console.log('[-] Squareup OkHostnameVerifier check not found'); //console.log(err);
} try { // Bypass Squareup OkHostnameVerifier {2}
var Squareup_OkHostnameVerifier_Activity_2 = Java.use('com.squareup.okhttp.internal.tls.OkHostnameVerifier'); Squareup_OkHostnameVerifier_Activity_2.verify.overload('java.lang.String', 'javax.net.ssl.SSLSession').implementation = function(a, b) { console.log('[+] Bypassing Squareup OkHostnameVerifier {2}: ' + a); return true; }; } catch (err) { console.log('[-] Squareup OkHostnameVerifier check not found'); //console.log(err);
}
// Android WebViewClient (quadruple bypass) //
//////////////////////////////////////////////
try { // Bypass WebViewClient {1} (deprecated from Android 6)
var AndroidWebViewClient_Activity_1 = Java.use('android.webkit.WebViewClient'); AndroidWebViewClient_Activity_1.onReceivedSslError.overload('android.webkit.WebView', 'android.webkit.SslErrorHandler', 'android.net.http.SslError').implementation = function(obj1, obj2, obj3) { console.log('[+] Bypassing Android WebViewClient check {1}'); }; } catch (err) { console.log('[-] Android WebViewClient {1} check not found'); //console.log(err)
} try { // Bypass WebViewClient {2}
var AndroidWebViewClient_Activity_2 = Java.use('android.webkit.WebViewClient'); AndroidWebViewClient_Activity_2.onReceivedSslError.overload('android.webkit.WebView', 'android.webkit.WebResourceRequest', 'android.webkit.WebResourceError').implementation = function(obj1, obj2, obj3) { console.log('[+] Bypassing Android WebViewClient check {2}'); }; } catch (err) { console.log('[-] Android WebViewClient {2} check not found'); //console.log(err)
} try { // Bypass WebViewClient {3}
var AndroidWebViewClient_Activity_3 = Java.use('android.webkit.WebViewClient'); AndroidWebViewClient_Activity_3.onReceivedError.overload('android.webkit.WebView', 'int', 'java.lang.String', 'java.lang.String').implementation = function(obj1, obj2, obj3, obj4) { console.log('[+] Bypassing Android WebViewClient check {3}'); }; } catch (err) { console.log('[-] Android WebViewClient {3} check not found'); //console.log(err)
} try { // Bypass WebViewClient {4}
var AndroidWebViewClient_Activity_4 = Java.use('android.webkit.WebViewClient'); AndroidWebViewClient_Activity_4.onReceivedError.overload('android.webkit.WebView', 'android.webkit.WebResourceRequest', 'android.webkit.WebResourceError').implementation = function(obj1, obj2, obj3) { console.log('[+] Bypassing Android WebViewClient check {4}'); }; } catch (err) { console.log('[-] Android WebViewClient {4} check not found'); //console.log(err)
}
// Apache Cordova WebViewClient //
//////////////////////////////////
try { var CordovaWebViewClient_Activity = Java.use('org.apache.cordova.CordovaWebViewClient'); CordovaWebViewClient_Activity.onReceivedSslError.overload('android.webkit.WebView', 'android.webkit.SslErrorHandler', 'android.net.http.SslError').implementation = function(obj1, obj2, obj3) { console.log('[+] Bypassing Apache Cordova WebViewClient check'); obj3.proceed(); }; } catch (err) { console.log('[-] Apache Cordova WebViewClient check not found'); //console.log(err);
}
// Boye AbstractVerifier //
///////////////////////////
try { var boye_AbstractVerifier = Java.use('ch.boye.httpclientandroidlib.conn.ssl.AbstractVerifier'); boye_AbstractVerifier.verify.implementation = function(host, ssl) { console.log('[+] Bypassing Boye AbstractVerifier check: ' + host); }; } catch (err) { console.log('[-] Boye AbstractVerifier check not found'); //console.log(err);
}
// Apache AbstractVerifier //
/////////////////////////////
try { var apache_AbstractVerifier = Java.use('org.apache.http.conn.ssl.AbstractVerifier'); apache_AbstractVerifier.verify.implementation = function(a, b, c, d) { console.log('[+] Bypassing Apache AbstractVerifier check: ' + a); return; }; } catch (err) { console.log('[-] Apache AbstractVerifier check not found'); //console.log(err);
}
// Chromium Cronet //
/////////////////////
try { var CronetEngineBuilderImpl_Activity = Java.use("org.chromium.net.impl.CronetEngineBuilderImpl"); // Setting argument to TRUE (default is TRUE) to disable Public Key pinning for local trust anchors
CronetEngine_Activity.enablePublicKeyPinningBypassForLocalTrustAnchors.overload('boolean').implementation = function(a) { console.log("[+] Disabling Public Key pinning for local trust anchors in Chromium Cronet"); var cronet_obj_1 = CronetEngine_Activity.enablePublicKeyPinningBypassForLocalTrustAnchors.call(this, true); return cronet_obj_1; }; // Bypassing Chromium Cronet pinner
CronetEngine_Activity.addPublicKeyPins.overload('java.lang.String', 'java.util.Set', 'boolean', 'java.util.Date').implementation = function(hostName, pinsSha256, includeSubdomains, expirationDate) { console.log("[+] Bypassing Chromium Cronet pinner: " + hostName); var cronet_obj_2 = CronetEngine_Activity.addPublicKeyPins.call(this, hostName, pinsSha256, includeSubdomains, expirationDate); return cronet_obj_2; }; } catch (err) { console.log('[-] Chromium Cronet pinner not found') //console.log(err);
}
// Flutter Pinning packages http_certificate_pinning and ssl_pinning_plugin (double bypass) //
//////////////////////////////////////////////////////////////////////////////////////////////
try { // Bypass HttpCertificatePinning.check {1}
var HttpCertificatePinning_Activity = Java.use('diefferson.http_certificate_pinning.HttpCertificatePinning'); HttpCertificatePinning_Activity.checkConnexion.overload("java.lang.String", "java.util.List", "java.util.Map", "int", "java.lang.String").implementation = function (a, b, c ,d, e) { console.log('[+] Bypassing Flutter HttpCertificatePinning : ' + a); return true; }; } catch (err) { console.log('[-] Flutter HttpCertificatePinning pinner not found'); //console.log(err);
} try { // Bypass SslPinningPlugin.check {2}
var SslPinningPlugin_Activity = Java.use('com.macif.plugin.sslpinningplugin.SslPinningPlugin'); SslPinningPlugin_Activity.checkConnexion.overload("java.lang.String", "java.util.List", "java.util.Map", "int", "java.lang.String").implementation = function (a, b, c ,d, e) { console.log('[+] Bypassing Flutter SslPinningPlugin: ' + a); return true; }; } catch (err) { console.log('[-] Flutter SslPinningPlugin pinner not found'); //console.log(err);
}
// Dynamic SSLPeerUnverifiedException Patcher //
// An useful technique to bypass SSLPeerUnverifiedException failures raising //
// when the Android app uses some uncommon SSL Pinning methods or an heavily //
// code obfuscation. Inspired by an idea of: https://github.com/httptoolkit //
///////////////////////////////////////////////////////////////////////////////
function rudimentaryFix(typeName) { // This is a improvable rudimentary fix, if not works you can patch it manually
if (typeName === undefined){ return; } else if (typeName === 'boolean') { return true; } else { return null; } } try { var UnverifiedCertError = Java.use('javax.net.ssl.SSLPeerUnverifiedException'); UnverifiedCertError.$init.implementation = function (str) { console.log('\x1b[36m[!] Unexpected SSLPeerUnverifiedException occurred, trying to patch it dynamically...\x1b[0m'); try { var stackTrace = Java.use('java.lang.Thread').currentThread().getStackTrace(); var exceptionStackIndex = stackTrace.findIndex(stack => stack.getClassName() === "javax.net.ssl.SSLPeerUnverifiedException" ); // Retrieve the method raising the SSLPeerUnverifiedException
var callingFunctionStack = stackTrace[exceptionStackIndex + 1]; var className = callingFunctionStack.getClassName(); var methodName = callingFunctionStack.getMethodName(); var callingClass = Java.use(className); var callingMethod = callingClass[methodName]; console.log('\x1b[36m[!] Attempting to bypass uncommon SSL Pinning method on: '+className+'.'+methodName+'\x1b[0m'); // Skip it when already patched by Frida
if (callingMethod.implementation) { return; } // Trying to patch the uncommon SSL Pinning method via implementation
var returnTypeName = callingMethod.returnType.type; callingMethod.implementation = function() { rudimentaryFix(returnTypeName); }; } catch (e) { // Dynamic patching via implementation does not works, then trying via function overloading
//console.log('[!] The uncommon SSL Pinning method has more than one overload);
if (String(e).includes(".overload")) { var splittedList = String(e).split(".overload"); for (let i=2; i<splittedList.length; i++) { var extractedOverload = splittedList[i].trim().split("(")[1].slice(0,-1).replaceAll("'",""); // Check if extractedOverload has multiple arguments
if (extractedOverload.includes(",")) { // Go here if overloaded method has multiple arguments (NOTE: max 6 args are covered here)
var argList = extractedOverload.split(", "); console.log('\x1b[36m[!] Attempting overload of '+className+'.'+methodName+' with arguments: '+extractedOverload+'\x1b[0m'); if (argList.length == 2) { callingMethod.overload(argList[0], argList[1]).implementation = function(a,b) { rudimentaryFix(returnTypeName); } } else if (argNum == 3) { callingMethod.overload(argList[0], argList[1], argList[2]).implementation = function(a,b,c) { rudimentaryFix(returnTypeName); } } else if (argNum == 4) { callingMethod.overload(argList[0], argList[1], argList[2], argList[3]).implementation = function(a,b,c,d) { rudimentaryFix(returnTypeName); } } else if (argNum == 5) { callingMethod.overload(argList[0], argList[1], argList[2], argList[3], argList[4]).implementation = function(a,b,c,d,e) { rudimentaryFix(returnTypeName); } } else if (argNum == 6) { callingMethod.overload(argList[0], argList[1], argList[2], argList[3], argList[4], argList[5]).implementation = function(a,b,c,d,e,f) { rudimentaryFix(returnTypeName); } } // Go here if overloaded method has a single argument
} else { callingMethod.overload(extractedOverload).implementation = function(a) { rudimentaryFix(returnTypeName); } } } } else { console.log('\x1b[36m[-] Failed to dynamically patch SSLPeerUnverifiedException '+e+'\x1b[0m'); } } //console.log('\x1b[36m[+] SSLPeerUnverifiedException hooked\x1b[0m');
return this.$init(str); }; } catch (err) { //console.log('\x1b[36m[-] SSLPeerUnverifiedException not found\x1b[0m');
//console.log('\x1b[36m'+err+'\x1b[0m');
}
}); }, 0);
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