Analyzing Multiple APKs At Once

This falls into that series of things where I had to make something work when there wasn’t a pre-built package, so I’m documenting it here in case (1) I ever need to do this again, or (2) someone else can benefit from it.  Let’s say you’re looking into a device that runs on Android, and it has a bunch of APKs that you have no clue what to do with… why not use some common tools to quickly process all of those files?

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Quick Hit: Base64 PowerShell Exfiltration

Okay, so you’ve landed in a constrained language PowerShell on a remote box, and the local application security policy is stopping you from using all the regular stuff (e.g. netcat, opening network connections, etc)… but you need to exfil a medium amount of binary data.  How would you do that?

The following isn’t perfect, but it’s the solution I used recently… feel free to share better solutions! 🙂

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Wireless Hacking

This is just a quick post to provide the presentation I gave tonight at PwnSchool.  If you’d like to review it you can download it here.  Thanks!

Topics covered:

  • Introduction to Radio Frequency
  • Wireless  Hacking (WEP and WPA2)
  • RFID Hacking (HID Prox and MIFARE)
  • Bluetooth Hacking (Bluelog/bluesnarfer/Wireshark/etc)

The Four Three Rule of Team PenTesting

Two posts in one night, because I’m catching up on some backlog items.  I’ve been teaching/training a team on PenTesting lately, and it’s caused me to think through some personal truths and approaches that I’ve taken for several years.  While going through that process I came to realize that I’d never really formally codified them; this is my attempt to do just that.  It all comes down to what I’m now going to call the “Four Three Rule of Team PenTesting”.

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RFID Fundamentals

I realized I didn’t have any good notes on Radio Frequency Identification (RFID) tags/badges/etc, so I figured it was time to compile that and update it while I’m at it.  This post is just a quick run-down of the frequencies, types, and common cards/IDs.  If you don’t know what an RFID is, for the purposes of most pentesting it’s a security badge or a key fob, like you can see in the image at the top of this posting.

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