Skip to content

Instantly share code, notes, and snippets.

View chinnichaitanya's full-sized avatar
🚀
Go at throttle up!

Chaitanya Chinni chinnichaitanya

🚀
Go at throttle up!
View GitHub Profile

WannaCry|WannaDecrypt0r NSA-Cyberweapon-Powered Ransomware Worm

  • Virus Name: WannaCrypt, WannaCry, WanaCrypt0r, WCrypt, WCRY
  • Vector: All Windows versions before Windows 10 are vulnerable if not patched for MS-17-010. It uses EternalBlue MS17-010 to propagate.
  • Ransom: between $300 to $600. There is code to 'rm' (delete) files in the virus. Seems to reset if the virus crashes.
  • Backdooring: The worm loops through every RDP session on a system to run the ransomware as that user. It also installs the DOUBLEPULSAR backdoor. It corrupts shadow volumes to make recovery harder. (source: malwarebytes)
  • Kill switch: If the website www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com is up the virus exits instead of infecting the host. (source: malwarebytes). This domain has been sinkholed, stopping the spread of the worm. Will not work if proxied (source).

update: A minor variant of the viru

WannaCry|WannaDecrypt0r NSA-Cybereweapon-Powered Ransomware Worm

  • Virus Name: WannaCrypt, WannaCry, WanaCrypt0r, WCrypt, WCRY
  • Vector: All Windows versions before Windows 10 are vulnerable if not patched for MS-17-010. It uses EternalBlue MS17-010 to propagate.

SECURITY BULLETIN AND UPDATES HERE: https://technet.microsoft.com/en-us/library/security/ms17-010.aspx

Malware samples

import speech_recognition
import pyttsx
speech_engine = pyttsx.init('sapi5') # see http://pyttsx.readthedocs.org/en/latest/engine.html#pyttsx.init
speech_engine.setProperty('rate', 150)
def speak(text):
speech_engine.say(text)
speech_engine.runAndWait()
@lukas-h
lukas-h / license-badges.md
Last active November 11, 2024 03:22
Markdown License Badges for your Project

Markdown License badges

Collection of License badges for your Project's README file.
This list includes the most common open source and open data licenses.
Easily copy and paste the code under the badges into your Markdown files.

Notes

  • The badges do not fully replace the license informations for your projects, they are only emblems for the README, that the user can see the License at first glance.

Translations: (No guarantee that the translations are up-to-date)

Contributing

When contributing to this repository, please first discuss the change you wish to make via issue, email, or any other method with the owners of this repository before making a change.

Please note we have a code of conduct, please follow it in all your interactions with the project.

Pull Request Process

  1. Ensure any install or build dependencies are removed before the end of the layer when doing a
@PurpleBooth
PurpleBooth / README-Template.md
Last active November 13, 2024 22:21
A template to make good README.md

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

@develhox
develhox / switchs.h
Last active September 30, 2024 15:23
Switch operand implementation for the strings
#ifndef __SWITCHS_H__
#define __SWITCHS_H__
#include <string.h>
#include <regex.h>
#include <stdbool.h>
/** Begin a switch for the string x */
#define switchs(x) \
{ char *ss__sw = (x); bool ss__done = false; bool ss__cont = false; \
@thoop
thoop / .htaccess
Last active November 13, 2024 20:20
Official prerender.io .htaccess for Apache.
# Change YOUR_TOKEN to your prerender token
# Change http://example.com (at the end of the last RewriteRule) to your website url
<IfModule mod_headers.c>
RequestHeader set X-Prerender-Token "YOUR_TOKEN"
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine On
@andreyvit
andreyvit / tmux.md
Created June 13, 2012 03:41
tmux cheatsheet

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

@paulmillr
paulmillr / active.md
Last active November 8, 2024 13:04
Most active GitHub users (by contributions). http://twitter.com/paulmillr

Most active GitHub users (git.io/top)

The list would not be updated for now. Don't write comments.

The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Wed, 21 Sep 2022 till Thu, 21 Sep 2023.

Because of GitHub search limitations, only 1000 first users according to amount of followers are included. If you are not in the list you don't have enough followers. See raw data and source code. Algorithm in pseudocode:

githubUsers