Detec malware DNS-blocks

[aitorvs]

Task/Issue URL: https://app.asana.com/0/1198194956794324/1208368538104397/f

Description

Add detection for when the DNS blocks requests to domains that serve malware.

The library also calls back into JVM with the blocked domain, if the JVM callback is present

Steps to test this PR

Test

• checkout this branch and cd into the android folder
• run ./gradlew assemble publishToMavenLocal
• go to the Android app repo, develop branch and apply the following patch

commit 40e3568897a31e8c603490f5f49a519773aff8c9
Author: Aitor Viana <[email protected]>
Date:   Sun Jun 4 20:49:52 2023 -0400

    Maven local use

diff --git a/build.gradle b/build.gradle
index de22b7abb..aee98799a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,6 +42,7 @@ allprojects {
         google()
         mavenCentral()
         maven { url 'https://jitpack.io' }
+        mavenLocal()
     }
     configurations.all {
         resolutionStrategy.force 'org.objenesis:objenesis:2.6'
diff --git a/versions.properties b/versions.properties
index d092a0163..5f58ba46a 100644
--- a/versions.properties
+++ b/versions.properties
@@ -77,7 +77,7 @@ version.com.airbnb.android..lottie=5.2.0
 
 version.com.android.installreferrer..installreferrer=2.2
 
-version.com.duckduckgo.netguard..netguard-android=1.6.12
+version.com.duckduckgo.netguard..netguard-android=1.7.0-SNAPSHOT
 
 version.com.duckduckgo.synccrypto..sync-crypto-android=0.3.0

• build Android app, ./gradlew assembleID, install and run the app
• enable the VPN
• filter the logcat with MID_RECORD_MALWARE_BLOCK and another logcat with tag:WireGuard/GoBackend/Write
• with VPN enabled, go to "vpn-malware.goduckgo.com"
• verify DNS malware was blocked for domain: vpn-malware.goduckgo.com. due to 'blocked:m' TXT record log appears
• verify MID_RECORD_MALWARE_BLOCK method not found error log appears
• smoke test VPN and browsing