Wednesday, 31 May 2023

Video Archives Of Security Conferences And Workshops


Just some links for your enjoyment

 List of security conferences in 2014

 Video archives:

AIDE (Appalachian Institute of Digital Evidence)
Blackhat
Botconf
Bsides
Chaos Communication Congress
Defcon
Derbycon
Digital Bond's S4x14
Circle City Con
GrrCON Information Security Summit & Hacker Conference
Hack in the box HITB
InfowarCon
Ruxcon
Shmoocon
ShowMeCon
SkyDogCon
TakeDownCon
Troopers
Heidelberg Germany
Workshops, How-tos, and Demos
Special thanks to  Adrian Crenshaw for his collection of videos

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Blockchain Exploitation Labs - Part 2 Hacking Blockchain Authorization


Bypassing Blockchain Authorization via Unsecured Functions


Note: Since the first part of this series I have also uploaded some further videos on remediation of reentrancy and dealing with compiler versions when working with this hacking blockchain series.  Head to the console cowboys YouTube account to check those out.  Haha as mentioned before I always forget to post blogs when I get excited making videos and just move on to my next project… So make sure to subscribe to the YouTube if you are waiting for any continuation of a video series.. It may show up there way before here. 

Note 2:  You WILL run into issues when dealing with Ethereum hacking, and you will have to google them as versions and functionality changes often... Be cognizant of versions used hopefully you will not run into to many hard to fix issues. 

In the second part of this lab series we are going to take a look at privacy issues on the blockchain which can result in a vulnerably a traditional system may  not face. Since typically blockchain projects are open source and also sometimes viewable within blockchain explorers but traditional application business logic is not usually available to us. With traditional applications we might not find these issues due to lack of knowledge of internal functionality or inability to read private values on a remote server side script.  After we review some issues we are going to exploit an authorization issues by writing web3.js code to directly bypass vertical authorization restrictions.

Blockchain projects are usually open source projects which allow you to browse their code and see what's going on under the hood.  This is fantastic for a lot of reasons but a developer can run into trouble with this if bad business logic decisions are deployed to the immutable blockchain.  In the first part of this series I mentioned that all uploaded code on the blockchain is immutable. Meaning that if you find a vulnerability it cannot be patched. So let's think about things that can go wrong..

A few things that can go wrong:
  • Randomization functions that use values we can predict if we know the algorithm
  • Hard-coded values such as passwords and private variables you can't change.
  • Publicly called functions which offer hidden functionality
  • Race conditions based on how requirements are calculated

Since this will be rather technical, require some setup and a lot of moving parts we will follow this blog via the video series below posting videos for relevant sections with a brief description of each.  I posted these a little bit ago but have not gotten a chance to post the blog associated with it.  Also note this series is turning into a full lab based blockchain exploitation course so keep a lookout for that.

In this first video you will see how data about your project is readily available on the blockchain in multiple formats for example:
  • ABI data that allows you to interact with methods.
  • Actual application code.
  • Byte code and assembly code.
  • Contract addresses and other data.

 Lab Video Part 1: Blockchain OSINT: 



Once you have the data you need to interact with a contract on the blockchain via some OSINT how do you actually interface with it? That's the question we are going to answer in this second video. We will take the ABI contract array and use it to interact with methods on the blockchain via Web3.js and then show how this correlates to its usage in an HTML file

Lab Video Part 2: Connecting to a Smart Contract: 




Time to Exploit an Application:

Exploit lab time, I created an vulnerable application you can use to follow along in the next video. Lab files can be downloaded from the same location as the last blog located below. Grab the AuthorizationLab.zip file:

Lab file downloads:



Ok so you can see what's running on the blockchain, you can connect to it, now what?   Now we need to find a vulnerability and show how to exploit it. Since we are talking about privacy in this blog and using it to bypass issues. Lets take a look at a simple authorization bypass we can exploit by viewing an authorization coding error and taking advantage of it to bypass restrictions set in the Smart Contract.  You will also learn how to setup a local blockchain for testing purposes and you can download a hackable application to follow along with the exercises in the video..

Lab Video Part 3:  Finding and hacking a Smart Contract Authorization Issue: 





Summary:

In this part of the series you learned a lot, you learned how to transfer your OSINT skills to the blockchain. Leverage the information found to connect to that Smart Contract. You also learned how to interact with methods and search for issues that you can exploit. Finally you used your browsers developer console as a means to attack the blockchain application for privilege escalation.

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How To Automatically Translate Any Android App Into Any Language

There is the number of applications which are not having the features of translating apps to your favorite languages. This makes it difficult for the users to translate apps into their native language. Today, I am going to tell you about an application which will help you to Automatically Translate Any Android App into Any Language.
Nowadays there are around hundreds of application on play store which is having the feature of translate but some applications don't have this features. This is just because they don't have proper developers or sometimes translators.
There is an application launched by Akhil Kedia from XDA Developer which made it possible for all the users to translate the application to any language you need. This is something which everyone needs it.
Akhil Kedia built an Xposed module in which users can easily change the language of any application to whichever they like or love. Personally, we all love English language but there are peoples in many parts of the world they are suitable for other languages.
Automatically Translate Any Android App into Any Language
Automatically Translate Any Android App into Any Language

Automatically Translate Any Android App into Any Language

The best part about this Xposed Module is that it translates the application to any language whichever you like and there are around many languages which you can try it. The other best part about this application is that the user interface which is amazing.
In an Android application, the best thing is the user interface. This is something which helps users to download the module or application to run again and again. There are about many settings which can be changed from the application.
The setup process is a bit different from other applications but if you will look at the application you will definitely love it. Just because of too many settings and features available in the application and you can turn it to any language without any crashing issues of the application.

Requirements:

  • Rooted Android Phone
  • Xposed Framework installed on your phone.
  • Android 5.0 or higher.
  • Unknown Source enabled (You might be knowing it)
How to Automatically Translate Any Android App into Any Language
  • Download the module called as All Trans from here: Download
Automatically Translate Any Android App
  • Now, after installation, it will ask you to reboot your phone to activate the module
  • Now, you need to get the API Key to get it you need to sign up with Yandex first so sign up: Yandex Sign up
Automatically Translate Any Android App
  • Then after sign up you will get the API key just enter the API key in the All-Trans application.
Automatically Translate Any Android App
  • Open All Trans Application and the swipe right to Global Settings.
Automatically Translate Any Android App
  • Click on Enter Yandex Subscription key and then enter your key.
Automatically Translate Any Android App
  • In Global Settings click on Translate from and select the Language the application is already in. (Eg: English)
Automatically Translate Any Android App
  • Now, click on translate to and select your favorite language. This will change the language.
Automatically Translate Any Android App
  • Swipe left and select the applications which you need to translate and done.
Automatically Translate Any Android App
  • After selecting just open the application and the language is translated automatically.
Automatically Translate Any Android App

Final Words:

This is the best and easy way to Automatically Translate Any Android App into Any Language. I hope you love this article.Share this article with your friends and keep visiting for more tips and tricks like this and I will meet you in the next one.
Stay Updated Tune IemHacker

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