hackermondev

hi, i'm daniel. i'm a 15-year-old high school junior. in my free time, i hack billion dollar companies and build cool stuff.

3 months ago, I discovered a unique 0-click deanonymization attack that allows an attacker to grab the location of any target within a 250 mile radius. With a vulnerable app installed on a target's phone (or as a background application on their laptop), an attacker can send a malicious payload and deanonymize you within seconds--and you wouldn't even know.

I'm publishing this writeup and research as a warning, especially for journalists, activists, and hackers, about this type of undetectable attack. Hundreds of applications are vulnerable, including some of the most popular apps in the world: Signal, Discord, Twitter/X, and others. Here's how it works:

Cloudflare

By the numbers, Cloudflare is easily the most popular CDN on the market. It beats out competitors such as Sucuri, Amazon CloudFront, Akamai, and Fastly. In 2019, a major Cloudflare outage k

lelegard

Git on Windows: setting executable permission on a script

The problem: Create a script (shell, python, whatever) on Windows, add it to a git repository. Then clone or pull the repo on a UNIX system (Linux, macOS). The file won't get the executable permission.

If the script had been created from the beginning on a UNIX system with executable permission, this permission would have been propagated to the repo. However, on Windows, this type of permission does not exist and cannot be set at system level.

nwesterhausen

Installing node_exporter

Steps to install node_exporter

1. Add user for node_exporter

   sudo useradd --no-create-home --shell /bin/false node_exporter