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Another Android ssl certificate pinning bypass for various methods
/* 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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