"All In The Family"

Smart Contract Exploitation and Hacking Course Announcement

Course Outline / Release Order:

Smart Contract Exploitation and Hacking Course Announcement

Course Outline / Release Order:

Dragonfly Shirt

Biden Wins Presidential Election

Why Have A Water Softener?

What Is this:

CTF Exam:

Bug Bounty of Sorts:

Pre- Requisites:

Contact Info:

Intro Video:

Monday, December 28, 2020

Wednesday, December 23, 2020

Sunday, December 20, 2020

Monday, December 14, 2020

Tuesday, December 08, 2020

Monday, November 30, 2020

Thursday, November 26, 2020

Monday, November 23, 2020

Friday, November 20, 2020

Wednesday, November 11, 2020

Dragonfly Shirt

Saturday, November 07, 2020

Biden Wins Presidential Election

Monday, November 02, 2020

Sunday, November 01, 2020

Why Have A Water Softener?

Saturday, October 31, 2020

Sunday, October 25, 2020

Thursday, October 22, 2020

Monday, October 19, 2020

Sunday, October 18, 2020

Thursday, October 01, 2020

Saturday, September 26, 2020

Friday, September 25, 2020

Wednesday, September 16, 2020

Wednesday, September 09, 2020

Sunday, August 30, 2020

What Is this:

CTF Exam:

Bug Bounty of Sorts:

Pre- Requisites:

Contact Info:

Intro Video:

About Me

Blog List

Blog Archive

Followers

Design by:

Christmas Sweatshirt

Adios TRUMP

Water Softener Benefits

Orange = = Whats included additionally for the full course

Blue = = What will be released free in blogs / videos

(Mostly every Mondays) over the next few months

Christmas Sweatshirt

Adios TRUMP

Water Softener Benefits

Orange = = Whats included additionally for the full course

Blue = = What will be released free in blogs / videos

(Mostly every Mondays) over the next few months

Sources:

You are fired Trump

Whole House Water System

Procedure:

Other softwares

Sources:

You are fired Trump

Whole House Water System

Procedure:

Other softwares

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Lobo and his family was involved in plan crash 22nd of May 2010
in List of passengers on Air India Express flight that crash
32.Plaviashakunthala Lobo 33. Venishanikola Lobo 34.
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Account name: Plavia Shakunthala Lobo
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at 1:09 PM

Osintgram is a OSINT tool on Instagram.

Osintgram offers an interactive shell to perform analysis on Instagram account of any users by its nickname. You can get:

- addrs           Get all registered addressed by target photos
- captions        Get user's photos captions
- comments        Get total comments of target's posts
- followers       Get target followers
- followings      Get users followed by target
- hashtags        Get hashtags used by target
- info            Get target info
- likes           Get total likes of target's posts
- mediatype       Get user's posts type (photo or video)
- photodes        Get description of target's photos
- photos          Download user's photos in output folder
- propic          Download user's profile picture
- stories         Download user's stories  
- tagged          Get list of users tagged by target
- target          Set new target
- wcommented      Get a list of user who commented target's photos

You can find detailed commands usage here.
Latest version | CHANGELOG

Installation

Fork/Clone/Download this repo
git clone https://github.com/Datalux/Osintgram.git
Navigate to the directory
cd Osintgram
Run pip3 install -r requirements.txt
Create a subdirectory config
mkdir config
Create in config folder the file: username.conf and write your Instagram account username
Create in config folder the file: pw.conf and write your Instagram account password
Run the main.py script
python3 main.py <target username>

Updating
Run git pull in Osintgram directory

Contributing
You can propose a feature request opening an issue or a pull request.

External library
Instagram API: https://github.com/ping/instagram_private_api

Download Osintgram

via KitPloitRelated links

at 4:42 AM

For those who have been hitting me up on twitter and YouTube for more blockchain smart contract exploitation content this blog is for you. I have posted a video below explaining what this is and included a course outline of the content we are providing free for everyone. I was actually told recently that I am crazy for giving out this level of detailed content and training for free.. However, I believe in the original hacker ethic code from long ago, that information should be freely available for everyone!! In this frame of mind, the only pay for content will be if you wish to go the extra mile. For the person who wants to prove to themselves or others that they learned something via a certification package with detailed exam prep targets and guides, followed by a final exam CTF and reporting write-up.

So I hope you enjoy this content. The content and walk through labs will be all free. This content will be posted regularly over the next few months 90% of it is already written and ready to go.

We will start off with the differences between Solidity and other languages and do a quick coding overview before we start hacking. This way everyone is on the same page when we start looking at coding examples of vulnerable targets or reviewing case study code. Then we will cover a wide range of typical issues that effect decentralized applications(DApps) and smart contracts on the Ethereum blockchain. How to spot them and exploit them with full walk-through style learning. Subjects we have already released (Re-Entrancy, Integer Attacks, Authorization) have been updated with new code, new examples, and case studies etc. Some of the learning content will be the same but with a lot of newly added content. And in the case of Authorization completely re-written and expanded on.

Basically this course was created to get the information out there in a clear concise way. Because when I started researching blockchain hacking all I found was a paragraph here and there on something that was overly technical or completely theoretical. I couldn't find any clear concise learning or examples. This drove me nuts trying to figure everything out, until I gave up and just coded my own vulnerabilities and hacked them. So hopefully this fills the knowledge gap to offer a clear and concise, Zero Fluff resource to those on the same path.

If you do enjoy this series over the next few months and want to challenge your skills and certify that you learned something we will be also offering pay for certification bundle that includes Decentralized Application (DApp) targets and detailed lab guides as preparation for a final exam against a more comprehensive CTF certification challenge target. More info on this as the months progress.

These labs are completed but we are working on a way to deliver the content which requires me to code up a course delivery software. So feel free to hack the course delivery software once its up, if you break in or bypass authorizations I will give you the full course for free provided you help me fix it. :P

This is more of a intermediate / advanced course with a white box code approach to bug hunting and a dynamic approach to application hacking and exploiting targets, with that said you will need the following pre-requisites:

Ability to code in some language and understanding of coding concepts.
Application hacking or development background with firm understanding of vulnerabilities

As this is free, I only ask that you provide constructive feedback as we are creating other more advanced hacking courses on random subjects we are interested in. Most of which will be free. And feedback helps us not do things which are not useful and integrate new ideas where they make sense.

Cheers and I hope this finds you well.

Twitter:

Email:

info@cclabs.io

WebPage:

Building and Scoping Things

Chapter 1: Cliff Notes on Blockchain

Intro:

What is a Blockchain and how is it secured

Smart Contracts

What is a Decentralized Application (DApp)?

Diving into Blockchain Components:

Distributed Vs Decentralized

Provenance Use Case:

Consensus and Mining:

Hands on Lab - Blockchain Consensus walkthrough Lab

Summary:

References:

Chapter 2: Threat Modeling and Scoping Engagements

Architecture Considerations:

Business Logic Locations and Technology Decisions

Development Environments

Threat Modeling

Summary

References:

Chapter 3 – Solidity for Penetration Testers Part 1 (Hello World)

About Solidity

Hands on Lab - Remix interface overview

Structure of a Smart Contract

Hands on Lab – HelloWorld

Summary

References:

Chapter 4 – Solidity for Penetration Testers Part 2

Beyond Hello World

Hands on Lab – Code HelloWorld bank

Code Level Walk Through of HelloWorld Bank

Checks Effects Interactions:

Summary

Part 2: Hacking and Exploiting Things

Chapter 5 - Glass Half Full or Glass Half Empty: Integer Attacks

Underflows and Overflows

Withdraw Function Vulnerable to an underflow

Transfer Function Vulnerable to a Batch Overflow

Batch Overflow Code Explanation:

ERC20 Batch Overflow Case-Study

Walkthrough of The Vulnerable Function

Reviewing the Real Attack Transaction

Hands on Lab - Exploiting Our Own ERC20 Batch Overflow

Hands on Lab - Fixing the ERC20 Overflow

Exam Prep - DApp Target + Detailed Lab Guide

Hands on Lab -Safe Math Walk Through

Integer Attacks Summary

Integer Attacks References

Chapter 6 - You Again: Leveraging Reentrancy Attacks

Reentrancy Intro

Checks Effects Interactions Pattern

Simple Reentrancy Example Code

Passing the Checks:

Looping the Interaction:

Updating the Effects:

Attacking Code Example:

Hands on Lab - Attacking a Simple Reentrancy

Hands on Lab - Fixing the Checks Effects interaction Pattern

Send vs Transfer Vs Call.Value

Case Study – The Dao Hack

Exam Prep - DApp Target + Detailed Lab Guide

Reentrancy Summary

Reentrancy References

Chapter 7 Do You Have a Hall Pass: Access Control Attacks

Understanding Smart Contract Authorization and Visibility

Visibility:

Simple Visibility Example:

Implementing Authorization:

Example Walk-through of No Authorization

Thinking about Smart Contracts as unpublished API's for DApps

Case of the Video Game Heist

Enumerating functions in a contract

Hands on Lab - Directly Calling Public Functions with Web3

Hands on Lab - Example Fix with Simple Authorization

Exit Scam Warning

Hands on Lab - Example Fix-2 Using Modifiers for Simple Authentication

Hands on Lab - Example Using Openzeppelin for Role Based Access Control

Exam Prep - DApp Target + Detailed Lab Guide

Authorization Summary:

Authorization References

Chapter 8 - Dude Where's My Data: Storage Vs Memory Attacks

Intro - Not Written Yet – Up Next

Code Example - Not Written Yet – Up Next

Case study? - Not Written Yet – Up Next

Exploiting vulnerability - Not Written Yet – Up Next

Summary - Not Written Yet – Up Next

References - Not Written Yet – Up Next

Chapter 9 - Do I know you: TxOrigin vs Message.sender Attacks

What's the difference?

Man In the Middle Via tx.origin

Hands on Lab - Simple tx.origin Example Walkthrough

Hands on Lab - Vulnerable TX.Origin Example Walkthrough

Exam Prep - DApp Target + Detailed Lab Guide

Action steps to familiarize yourself with the contract:

Attack Options:

Summary

References

Chapter 10 - Who Am I: Delegate Call Attacks

How delegate calls work:

Delegate Call vs Call

Simple Delegate Call Example Code

Simple Delegate Code Example Walkthrough

Hands on Lab - Simple Delegate Example Walkthrough

Variable Memory Issues with Delegate Calls

DelegateCall Storage Simple Example Code

Hands on Lab - DelegateCall Storage Walkthrough

Exam Prep - DApp Target + Detailed Lab Guide

Case Study - Parity Wallet Attack:

Attack Transactions Explained

Dangerous fallback function using delegatecall

The Parity Wallet Code

Delegate Chapter Summary

Delegate References:

Chapter 11 - Look into My Crystal Ball: Bad Randomness Issues

Cryptographic Implementations and Predictable PRNGs

Simple BlockHash Example

Hands on Lab - BlockHash Vulnerability Walk and Talk

Exam Prep - DApp Target + Detailed Lab Guide

Preventing Randomness Issues

Bad Randomness Summary

Bad Randomness References

Chapter 12 - Automated Static Application Security Testing

Content - Not written - Up Next

Hands On Lab - Not written - Up Next

Summary Not written - Up Next

References - Not written - Up Next

Chapter 13 - CTF Exam

Final Exam and CTF Certification Exam Target

Final Exam Reporting

Appendices:

Appendix I – Pre-Requisite Suggestions:

Programming Pre-Requisites:

Web Application Hacking Pre-Requisites:

Appendix II – Other Blockchain Learning Resources and Certifications

Appendix III – Non-Exhaustive Scoping Questions

Appendix IV – Non-Exhaustive List of things to check for

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