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Hello everyone, This weekend I got a little bored and began toying with Android payloads to just toy with a meterpreter shell to see how it is. Upon doing so, I noticed the payload generated from msfvenom required I ignore my AV to install. So this sent me down a path to bypass antivirus, which come to find out WAS EXTREMELY EASY! I began with apkwash, which simply takes the msfvenom generated payload and modifies it to bypass AV. The result... 0/35 on nodistribute and confirmed manually with AVG Mobile and Kaspersky Mobile. Nice! Perfect for having physical access to a device. Now if only a ducky script could auto-download and install the payload that would make this awesome. Otherwise, you would need a couple minutes alone with their unlocked phone. Then I was wondering about attempts without having physical access. You would want a more convincing app to install. What better way other than injecting the same AV bypassing payload into a legit app? Well, some people had example on how to do this online, but required a long process to manually do it all. Why not script it? Well, each app is different so this can be hit or miss so I allowed manual pieces for those special apps. The result was apkinjector, which with utilizing the apkwash technique of AV bypass is able to make a hidden payload inside another APK. Perfect! Now, the downfall to this is APKTool has issues with certain packages (Facebook, Starbucks, etc). I have had success injecting into about 70-80% of .apk files. Github: https://github.com/jbreed/apkwash https://github.com/jbreed/apkinjector