Pentest
using a cloud mac with a local ios device
Doing iOS mobile assessments without macOS around is not exactly fun. This can be for many reasons that include code signing and app deployment to name a few. Alternatives exist for some of these tasks (like the amazing libimobiledevice project or more recently an attempt to get code signing to work without macOS), but nothing beats using a real macOS device for most of those tasks. Be it to patch mobile apps with a Frida gadget, or to deploy an application from Xcode, whatever your reason for needing this, in this short post I’ll show you how to use @CorelliumHQ‘s usbfluxd project or a simple SSH tunnel to make a locally connected iOS device (eg. your Linux laptop) available to a remote macOS device such that you could expose it to Xcode, in the cloud.
MAPI over HTTP and Mailrule Pwnage
History In December 2015 Silent Break Security wrote about “Malicious Outlook Rules” and using these to get a remote shell. This was great, we could now use those credentials found through brute-forcing OWA instances or a phishing page. The only issue I had with this was the fact that you needed to setup a local instance of the mailbox, which at times could be time consuming and also felt like overkill.
Hacking by Numbers – The mobile edition
West Coast in the house, well actually more like an African visiting Seattle for Blackhat’s West Coast Trainings.
We’ve had a great year delivering the latest course in our amazing Hacking by Numbers training series: Mobile. What’s cool about this course, is like the others, we teach a hacking methodology rather than punting a tool or a magic, do it all solutions.
Mobile was created to match the continuous growth in mobile phone usage, with a specific focus on showing you how you would go about testing the mobile platforms and installed applications, to ensure they have been developed in a secure manner. HBN Mobile provides a complete and practical window into the methods used when attacking mobile platforms and presents you with a methodology that can be applied across platforms. This course is structured to cater to penetration testers who are new to the mobile area and who need to understand how to analyze and audit applications on various mobile platforms using a variety of tools.
Your first mobile assessment
Monday morning, raring for a week of pwnage and you see you’ve just been handed a new assessment, awesome. The problem? It’s a mobile assessment and you’ve never done one before. What do you do, approach your team leader and ask for another assessment? He’s going to tell you to learn how to do a mobile assessment and do it quickly, there are plenty more to come.
Now you set out on your journey into mobile assessments and you get lucky, the application that needs to be assessed is an Android app. A few Google searches later and you are feeling pretty confident about this, Android assessments are meant to be easy, there are even a few tools out there that “do it all”. You download the latest and greatest version, run it and the app gets a clean bill of health. After all, the tool says so, there is no attack surface; no exposed intents and the permissions all check out. You compile your report, hand it off to the client and a week later the client gets owned through the application… Apparently the backend servers were accepting application input without performing any authentication checks. Furthermore, all user input was trusted and no server side validation was being performed. What went wrong? How did you miss these basic mistakes? After-all, you followed all the steps, you ran the best tools and you ticked all the boxes. Unfortunately this approach is wrong, mobile assessments are not always simply about running a tool, a lot of the time they require the same steps used to test web applications, just applied in a different manner. This is where SensePost’s Hacking by numbers: Mobile comes to the fore, the course aims to introduce you to mobile training from the ground up.
Windows Domain Privilege Escalation : Implementing PSLoggedOn in Metasploit (+ a bonus history module)
There are multiple paths one could take to getting Domain Admin on a Microsoft Windows Active Directory Domain. One common method for achieving this is to start by finding a system where a privileged domain account, such as a domain admin, is logged into or has recently been logged into. Once access to this system has been gained, either stealing their security tokens (ala Incognito or pass-the-hash attacks) or querying Digest Authentication (with Mimikatz/WCE) to get their clear-text password. The problem is finding out where these user’s are logged in.
CREST South Africa? Let’s talk…
First, some background on CREST in the form of blatant plagiarism…
CREST – The Council for Registered Ethical Security Testers – exists to serve the needs of a global information security marketplace that increasingly requires the services of a regulated and professional security testing capability. They provide globally recognised, up to date certifications for organisations and individuals providing penetration testing services.
For organisations, CREST provides a provable validation of security testing methodologies and practices, aiding with client engagement and procurement processes, and proving that your company is committed to providing testing services to the highest standard.
Pentesting in the spotlight – a view
As 44Con 2012 starts to gain momentum (we’ll be there again this time around) I was perusing some of the talks from last year’s event…
It was a great event with some great presentations, including (if I may say) our own Ian deVilliers’ *Security Application Proxy Pwnage*. Another presentation that caught my attention was Haroon Meer’s *Penetration Testing considered harmful today*. In this presentation Haroon outlines concerns he has with Penetration Testing and suggests some changes that could be made to the way we test in order to improve the results we get. As you may know a core part of SensePost’s business, and my career for almost 13 years, has been security testing, and so I followed this talk quite closely. The raises some interesting ideas and I felt I’d like to comment on some of the points he was making.
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