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Jan 27 • 5 tweets • 3 min read
In this week's newsletter:

- building the next ChatGPT | Network Pentesting | Full-blown Winter -

(thread) Image
1. I'm talking about the 6 month learning plan to understand AI large language models from scratch - the stuff that #chatGPT is built on.
2. I'm also talking about the heavy workload of pentests and appsec assessments from this past week.
3. And also about taking time off for a few days, in the middle of the winter.
4. You can read my entire email below.

#pentesting #infosec #cybersecurity #hacking #bugbounty #ai #machinelearning #deeplearning #chatgpt

cristivlad.substack.com/p/insiderweekl…

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More from @CristiVlad25

🇷🇴 cristi Profile picture
Jan 29
Privilege escalation in Windows using 4 tools for red teamers and pentesters.

(thread)
1. WinPEAS - it's a simple .exe script you can run as: winpeas.exe > outputfile.txt

Get it here: github.com/carlospolop/PE…
2. PrivescCheck - a powershell script

Get it here: github.com/itm4n/PrivescC…
Read 6 tweets
🇷🇴 cristi Profile picture
Jan 26
Wanna build the next ChatGPT?

Here's a 6 month learning plan for AI large language models (LLMs) from scratch.

(thread)
1. Familiarize yourself with basic machine learning concepts and Python programming.

Books:

1.1. Introduction to Machine Learning with Python by Andreas Müller and Sarah Guido

1.2. Python Machine Learning by @rasbt
2. Learn about natural language processing (NLP) and its applications.

Books:

2.1. Speech and Language Processing by Daniel Jurafsky and James H. Martin

2.2. Natural Language Processing with Python by Steven Bird, Ewan Klein, and Edward Loper
Read 8 tweets
🇷🇴 cristi Profile picture
Jan 22
Top Python Libraries used by Hackers

(thread)
1. socket: A library that provides low-level core networking services.
2. scapy: A powerful interactive packet manipulation library and tool.
Read 10 tweets
🇷🇴 cristi Profile picture
Jan 21
Look for these file extensions in your pentests and appsec assessments.

(thread)
1. .env - commonly used to store environment variables, including sensitive information such as passwords and tokens.
2. .yml/.yaml - commonly used in configuration files for software written in programming languages like Ruby, Python and JavaScript.
Read 13 tweets
🇷🇴 cristi Profile picture
Jan 20
In this week's newsletter:

- iOS Pentesting | ChatGPT my Teacher | Recon -

(thread) Image
1. How I'm using ChatGPT as a virtual teacher. And of course, how you can use it too.
2. My greatest pentesting challenge for this week.
Read 5 tweets
🇷🇴 cristi Profile picture
Jan 19
Squeezing the juices out of robots.txt.

A fully automated workflow that you've never seen before.

(thread)
1. This script scrapes the disallowed paths from the robots.txt files of a list of domains and saves them to a single file. It also removes any unwanted entries and sorts the file in a particular way.

Can you write it yourself? Here’s how the script should look like.
2. Create a directory called "massrobots" in the pwd. This is where you'll save all the robots.txt files for later processing.
Read 15 tweets

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