android - null

HTB Write-up | Explore

Retired machine can be found here. esketitLet's start with some basic scanning: ~ nmap -A 10.10.10.247 PORT STATE SERVICE VERSION 2222/tcp open ssh (protocol 2.0) | fingerprint-strings: | NULL: |_ SSH-2.0-SSH Server - Banana Studio | ssh-hostkey: |_ 2048 71:90:e3:a7:c9:5d:83:66:34:88:3d:

deep links

Exploiting Deep Links in Android - Part 4 (Mitigation)

Preventing Deep Link HijackingWhen it comes to preventing Deep Link Hijacking, the message is simple: stop using Scheme URLs and start using (properly verified) App Links or Intent URLs. [If you're lost maybe you should go back to Part 1] As of August 2021 only about 6% of Android devices

android

Exploiting Deep Links in Android - Part 3

So .. what else can we do with deep links? Local File Inclusion (LFI)In part 2 we saw how to achieve LFI via the WebView.loadUrl method. In this part we'll explore an alternative that doesn't require the application to contain a WebView. Let's continue using the ABC Bank Android

android

Exploiting Deep Links in Android - Part 2

In this part, we're going to start to answer the question: "What can you do if you can trick a user into clicking a malicious deep link?" Let's go back to the ABC Bank example. ABC Bank has both a web and an Android application, and they use deep links

android

Exploiting Deep Links in Android - Part 1

Deep links are an often overlooked way to exploit Android applications. In this series I hope to do a deep dive into their history, common vulnerabilities with real-life examples, possible mitigations, and testing techniques for pentesters and researchers. In this first part, we do a quick overview of the supported

android

ØxOPOSɆC Baby Xmas Challenge 2019 | Android Rev

The APK for the original challenge can be downloaded here. The author's write-up can be downloaded here. We're given an Android Package (xmas_ctfzadas.apk) along with the following instructions: Baby pwn tu-tu-tu-tu! - Get the first two flags ({oposec}XPTO) locally; - For the brave ones, find a way

ssl

SSL Pinning on Android

Banner source: https://dzone.com/refcardz/securing-mobile-applications-with-cert-pinning?chapter=1 When an Android application wants to establish a secure connection with a remote host, it checks whether the certificate's "chain of trust" is valid and compatible with the root CAs (Certificate Authorities) that are pre-installed in the device. However, there's nothing