Hacking on Medium
Eight Short Links of Recent Cyber Security Data Science Papers

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A short listing of cyber security data science research papers I’ve discovered recently. Each of them uses machine learning or enables ML…

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Hacking on Medium
ZeroPointSecurity Certified Red Team Operator Course (CRTO) Review

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Frustration Courtesy of Covenant

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Hacking on Medium
Vulnhub: Pylington Walkthrough

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Boot2Root step by step walkthrough

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XSS Nedir-Nasıl bypass Edilir?

Herkese merhaba bu yazımda sizlere kendi bilgim dahilinde xss’in ne olduğuna nasıl bulunduğuna ve de bazı bypass yöntemlerini anlatcam.Çok…Continue reading on Medium »
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KitPloit - PenTest Tools!
OverRide - Binary Exploitation And Reverse-Engineering (From Assembly Into C)

https://1.bp.blogspot.com/-Xs7VjGHtrbY/YIJaoHGvHpI/AAAAAAAAV7w/ufd4B8ALFVcN4vgBy-OeNIvi-8WDTK-ZwCNcBGAsYHQ/w640-h204/OverRide_1_ssh.png Explore disassembly, binary exploitation & reverse-engineering through 10 little challenges.

In the folder for each level you will find:

*
flag - password for next level

*
README.md - how to find password

*
source.c - the reverse engineered binary

*
dissasembly_notes.md - notes on asm
See the subject for more details.

For more gdb & exploitation fun check out the previous project RainFall. Final Score 125/100 Getting StartedFirst download from 42 OverRide.iso. Virtual Machine setupOn Mac OSX, install VirtualBox.

In VirtualBox create a new VM (click new).

* Name and operating system - Type: Linux, Version: (Oracle 64-bit)

Continue through all the next steps with the default settings:

* Memory size: 4MB
* Hard disk: Create a disk now
* Hard disk file type: VDI(VirtualBox Disk Image)
* Storage on physical hard disk: Dynamically allocated
* File size: 12,00GB

Next click Settings > Network > Adapter 1 > Attached to: Bridged Adapter.

Still in settings click Storage > Right of "Controller: IDE", there is a CD icon with a + sign (add optical drive). Click Add Disk Image, and select OverRide.iso.

Click Start to start the VM, once runnning it should show the VM IP address and prompt user to login. SSH connectLog in from a separate shell as user level00 with password level00. ssh level00@{VM_IP} -p 4242https://1.bp.blogspot.com/-GvSFZ7oAPss/YIJa9u-D-6I/AAAAAAAAV74/nqOlSvwv2ewdiy39Zyyr5kJFqrkjNKcJACNcBGAsYHQ/w640-h204/OverRide_1_ssh.png Level UpAs user level00 the goal is to read the password for user level01, found at /home/users/level01/.pass. However, user level00 does not have permissions to read this file.

In the home folder for user level00 is a binary level00 with SUID set and owner level01. https://1.bp.blogspot.com/-8lWjYZOf80A/YIJbDTPRhBI/AAAAAAAAV78/0xidIsYllsolZYbZOZQjszKO03lhuG_5wCNcBGAsYHQ/w640-h90/OverRide_2_suid.png This means when we execute the binary level00, we do so with the permissions of user level01.

We must find a vulnerability in the binary level00 with gdb. Then exploit the vulnerability to run system("/bin/sh"), opening a shell as user level01 where we have permissions to read the password. cat /home/users/level01/.passThen log in as user level01. su level01https://1.bp.blogspot.com/-dWFPlyrND88/YIJbIn62ZYI/AAAAAAAAV8A/tGYQ64TVxG8xZrzYxOs9GshbSPE9O4YngCNcBGAsYHQ/w640-h274/OverRide_3_su.png Repeat for each level. Reverse-engineered binaryFor each level, we reverse engineered the original source.c by examining the gdb disassembly of the binary. Levels Overview* 0 - Hardcoded password

* 1 - Ret2Libc attack

* 2 - printf() format string attack

* 3 - Brute force password

* 4 - gets() stack overflow + Return-to-libc attack

* 5 - Shellcode in env variable + printf() format string attack

* 6 - Hash value discoverable with gdb

* 7 - Ret2Libc Attack on unprotected data table

* 8 - Binary backs up password via symlink

* 9 - Off-by-one error TeamI wrote this project in a team with the awesome @dfinnis. Download OverRide

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Deep Web
Download Tails on Windows 10 and it keeps saying "file currupted" how do I fix this?

I am trying to install tails on my flash drive and tried to burn it on my flash drive with etcher and it says can't burn because system file is corrupted, what do I do to make it not corrupted, I'm frustrated right now someone help me please.

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hacking: security in practice
Wondering if it’s possible to make an airtag

I was thinking maybe you could copy the signal coming out of an airtag and make an airtag for cheaper? Any ideas

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hacking: security in practice
The Incredible Rise of North Korea’s Hacking Army

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Hacking on Medium
Duolingo Hacks XP Tricks

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Hi everyone, I was really glad I could share another knowledge this week. This article is perhaps a ‘cheat’ tutorial for Duolingo app. Did…

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Hacking on Medium
Using Emacs for Presentation

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Overview

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Hacking on Medium
HackTheBox Writeup — Bucket

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Hello Guys , I am Faisal Husaini. My username on HTB is “fa1sal” . Also join me on discord.

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Deep Web
How do I find my BTC address on the Crypto app?

I downloaded Crypto and bought bit coin, how do I find my BTC adress on the app, i need it for a website on tor to make a purchase? Can you use crypto for that? The app?

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No Email verification required after we change the email from setting — poll twist to victim

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Course Club
[TalkPython] Modern APIs with FastAPI and Python Course

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https://courseclub.me/wp-content/uploads/2021/04/2235522.jpg
FastAPI is one of the most exciting new web frameworks out today. It’s exciting because it leverages more of the modern Python language features than any other framework: type hints, async and await, dataclasses, and much more. If you are building an API in Python, you have many choices. But, to us, FastAPI is the clear choice going forward. And this course will teach you everything you need to know to get started. We’ll build a realistic API working with live data and deploy that API to a cloud server Linux VM. In fact, you’ll even see how to create proper HTML web pages to augment your API all within FastAPI.

What is this course about and how is it different?

This course is designed to get you creating new APIs running in the cloud with FastAPIs quickly. We start off with just a little foundational concepts, then jump right into build our first API with FastAPI.

Then we explore the foundational modern Python features to make sure you’re ready to take full advantage of this framework. We’ll look at how async and await works in Python, how to build self-validating and describing classes with Pydantic, Python 3’s type hints, and other core language concepts.

We round out the course by building a realistic API working with live data. Then we deploy that API using nginx + gunicorn + uvicorn running on Ubuntu in a cloud VM at Digital Ocean.

Source code: https://github.com/talkpython/modern-apis-with-fastapi

What topics are covered

• See how easy it can be to work with basic APIs in FastAPI.
• Create API methods that handle common HTTP commands (GET, POST, DELETE, etc.)
• Return JSON data to API clients
• Use async and await to create truly scalable applications
• Will use Pydantic to create required and optional data exchange
• Make FastAPI automatically check and convert data types (for example, “2021-01-05” to date and time)
• Organize your application with APIRoutes to properly decompose your application into Python files.
• Return the most appropriate error response to API clients (e.g. 400 Bad Request)
• Understand why gunicorn and uvicorn should be used together in a production environment
• And much more

Who is this course for?

This course is for anyone who wants to build an API with Python as the backend language. If you want your API to rival the speed and features of any major web API framework, this is the course to take.

The student requirements are quite light for this course. You’ll need Basic Python language knowledge:

• Functions
• Strings
• Variables

API clients (making a call with requests)
Note: All software used during this course, including editors, Python language, etc., are 100% free and open source. You won’t have to buy anything to take the course.

About The Instructor

My name is Michael, nice to meet you. https://s.w.org/images/core/emoji/13.0.1/svg/1f609.svg There are a couple of reasons I’m especially qualified to teach you Python.

1. I’m the host of the #1 podcast on Python called Talk Python To Me. Over there, I’ve interviewed many of the leaders and creators in the Python community. I bring that perspective to all the courses I create.

2. I’ve been a professional software trainer for over 10 years. I have taught literally thousands of professional developers in hundreds of courses throughout the world.

Size: 3.08 GB

Download Now

https://training.talkpython.fm/courses/getting-started-with-fastapi.

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