Kali Linux Tutorials
PoW-Shield : Project Dedicated To Fight DDoS And Spam With Proof Of Work, Featuring An Additional WA

PoW-Shield provides DDoS protection on OSI application layer by acting as a proxy that utilizes proof of work between the backend service and the end user. This project aims to provide an alternative to general captcha methods such as Google’s ReCaptcha that has always been a pain to solve. Accessing a web service protected by PoW Shield has never been easier, simply go to the url, and your browser will do the rest of the verification automatically for you.

PoW Shield aims to provide the following services bundled in a single webapp / docker image:

* proof of work authentication
* ratelimiting and ip blacklisting
* web application firewall

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How It Works

So basically, PoW Shield works as a proxy in front of the actual web app/service. It conducts verification via proof-of-work and only proxies authorized traffic through to the actual server. The proxy is easily installable, and is capable of protecting low security applications with a WAF.

Here’s what happens behind the scenes when a user browses a PoW Shield-protected webservice:

* The server generates a random hex-encoded “prefix” and sends it along with the PoW Shield page to the client.
* Browser JavaScript on the client side then attempts to brute-force a “nonce” that when appended with the prefix, can produce a SHA256 hash with the number of leading zero-bits more than the “difficulty” D specified by the server. i.e. SHA256(prefix + nonce)=0…0xxxx (binary, with more than D leading 0s)
* Client-side JavaScript then sends the calculated nonce to the server for verification, if verification passes, the server generates a cookie for the client to pass authentication.
* The server starts proxying the now authenticated client traffic to the server with WAF filtering enabled.

Usage

nodejs and docker

Configuration

environment variables

Features

* Web Service Structure
* Proxy Functionality
* PoW Implementation
* Dockerization
* IP Blacklisting
* Ratelimiting
* Unit Testing
* WAF Implementation
* Multi-Instance Syncing (Redis)
Download

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Hacking on Medium
HackTheBox: Cap

https://cdn-images-1.medium.com/max/600/1*P_URMg3fJS5D-m4-v6XGdQ.png
Easy box that showcases how small bugs affect the security of a whole environment.

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Hacking on Medium
Dr. Driving Mod APK Download Unlimited…

https://cdn-images-1.medium.com/max/1920/1*DTHJOVTXUEp4tkoZB2iywA.png
- Title: DR Driving MOD APK

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Hacking on Medium
$500 getClass

Google Apps Script is a nice service that allows to automate tasks and add features in some Google services.
In order to achieve this, it…

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Hacking on Medium
MSFVenom Cheatsheet

https://cdn-images-1.medium.com/max/800/0*fS_V1pE7_XS8kVln.png
MSFVenom, if you’re not already familiar, is the payload creating cousin of Metasploit. With it, you can create a wide variety of…

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Hacking on Medium
$10k host header

I tried a lot of things in many Google services, one of those things was changing the Host header in requests to the App Engine server…

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[FREE GIFT] Offensive Hacking Unfolded Course Without Any Catch by Avinash!
https://www.reddit.com/r/Pentesting/comments/q1879m/free_gift_offensive_hacking_unfolded_course/

submitted by /u/theoffhacker779 (https://www.reddit.com/user/theoffhacker779)
[link] (https://www.reddit.com/r/FreeITCourses/comments/q185gc/free_gift_take_my_offensive_hacking_unfolded/) [comments] (https://www.reddit.com/r/Pentesting/comments/q1879m/free_gift_offensive_hacking_unfolded_course/)

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Dark Reading: Attacks/Breaches
Mandiant Confirms Name Change from FireEye, Inc. to Mandiant, Inc.

The decision to change the corporate name and stock ticker symbol reflects the company’s strategy to focus on Mandiant’s security controls-agnostic solutions delivered through the Mandiant Advantage cloud-based platform.
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Dark Reading: Attacks/Breaches
CISA Kicks Off Cybersecurity Awareness Month

CISA will dedicate October to encourage everyone to be cyber smart.
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hacking: security in practice
Android phone hacking using pure reddit private chat

A user with whom I was chatting today on reddit is claiming that he hacked my android phone.I don't even know how its even possible and if it's true or not. We privately chatted (purely textual, no links) and later he said that he hacked my phone completely and now will be leaking the data. He has my device details which are correct, he even knew my posture when I was chatting with him.

Is it possible and what to do now, i have my device factory reset, what other measure should I take?

submitted by /u/f00l_of_a_took
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hacking: security in practice
Brute forec Iphone 6 PIN?

I am trying to recover a password for an old email account and I know a phone I have has it on it. Big issue, I don't remember my PIN from 4 years ago. What software could I use to crack the 4 digit Pin? The Phone does not have any "Above" and beyond security features enabled that did not come with stock IOS back in the day.

submitted by /u/Ok_Side_3260
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Kali Linux Tutorials
QueenoSno : Golang Binary For Data Exfiltration With ICMP Protocol

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Hacking on Medium
Hack This Site: Realistic Web Mission — Level 7

https://cdn-images-1.medium.com/max/2048/1*fRe3q7YMLF7XwCUrmnjv_w.png
Thanks for stopping by, today we’re looking at the Hack This Site Realistic Web Mission Level 7. This challenge was a lot of fun…

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