Abusing Google Play Billing

Davy Douhine August 27, 2019 Training

RandoriSec is going back to DeepSec (Vienna, Austria) this year. Guillaume Lopes will give a talk about abusing the Google Play Billing API and he’ll give a training with Davy Douhine. The Mobile Hacking training, running the 27 and 28 November, is intended for penetration testers, bug bounty researchers or just curious who would like to improve their security testing skills applied to the mobile ecosystem. The objective of the course is to introduce the basic toolset (Adb, Apktool, Jadx, Cycript, Drozer, Frida, Hopper, Needle, etc.

[Conference] HITB Amsterdam 2019

Guillaume Lopes May 15, 2019 Conference

Again, RandoriSec was at Hack In The Box for the 2019 edition in Amsterdam! It was really great! The first 3 days of the event are dedicated for the trainings. About that, we heard that the training from Nicolas Grégoire (aka @Agarri) was really great and got very good feedback from the attendees. If you want to improve your skills on Burp Suite Pro, you should attend this training. The conference was held on the Beurs van Berlage conference centre.

[Conference] CLUSIF - Gestion des incidents de sécurité : résilience et amélioration

Inti Rossenbach April 26, 2019 Conference

La semaine dernière j’ai participé à la table ronde de la conférence du CLUSIF “Gestion des incidents de sécurité : résilience et amélioration.” Mon intervention présentait un travail de recherche effectué en 2016-2017, qui peut se résumer par une question: comment éviter que des biais cognitifs ou organisationnels n’impactent la gestion de la sécurité? En général les décisions en sécurité se prennent sur la base d’avis d’experts, de fournisseurs, de benchmarks ou de discussions avec les pairs.

[Conference] BSides Dublin 2019 – Abusing Google Play Billing for fun and unlimited credits!

Davy Douhine March 27, 2019 Conference

The March 23th, Guillaume Lopes gave a talk at BSides Dublin about how to bypass the payment on Google Play Billing API. Synopsis: In 2017, the estimated global in-app purchase revenue was projected to exceed $37 billion. Just in the Google Play Store, for 2018, more than 200 000 apps are offering in-app purchases. However, the Google Play Billing API is not offering a sufficient level of protection in order to ensure the security of the payment transactions.

[Conference] Industrial Hacking at DeepINTEL

Davy Douhine September 18, 2017 Conference

We will be speaking about Industrial Hacking at DeepINTEL in Vienna this week! Here is the pitch: A few months ago a client asked us to assess the security of the ICS (Industrial Control Systems) of a brand new datacenter. As we were no industrial guys we discovered a whole new world and we tried and failed many times before owning the system. ”Industrial DIY“ tries to show how a small team of pentesters managed to assess the security of industrial systems (ICS/SCADA/BMS) and how to protect these critical infrastructures against a few major threats.

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