In My Own Words

In My Own Words

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Jonathan Cooper

Jonathan Cooper

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This blog is a partial collection of projects I've worked on. I write about hacking, fintech, malware, cloud computing and tools I've created to help us get better.

Hacking HTTP with HTTPfuzz

Jan 23, 202110 min read

So you’ve been given a web app to pentest. Maybe it’s a banking app or a document workflow system. Either way, you need to make sure it’s done safely....

Hacking HTTP with HTTPfuzz

Judas: Phishing Resurrected

Oct 5, 20205 min read

If you’ve been reading my blog since I started writing on Medium, you’ll remember Judas, the pluggable open-source phishing proxy. I wrote Judas to...

Judas: Phishing Resurrected

Printing Money With TD Ameritrade's API

Aug 13, 20209 min read

We’ve all heard about algorithmic trading in the news. It sounds great! You think of a program making money for you while you sip Mai Tais and smoke...

Printing Money With TD Ameritrade's API

Easy private networks with WireguardHTTPS

Jul 23, 20204 min read

I’ve been experimenting with Wireguard as a VPN to protect my internet traffic from local snoopers and communicate between all my devices as if they...

Easy private networks with WireguardHTTPS

Automated API testing with Postman

Jul 19, 20196 min read

Postman is an excellent API testing tool for developers, QA testers and penetration testers. Its UI allows you to easily send HTTP requests and see...

Automated API testing with Postman

Cloak and Dagger — Malware Techniques Demystified

Apr 3, 20194 min read

The cloak and dagger attack exploits a combination of drawing over other apps and the high level of access to other apps given to accessibility...

Cloak and Dagger — Malware Techniques Demystified