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What a bug! 🐛 - nothing visibly changes on a server, - GPO stops processing on all clients, - weird/cryptic log entries. Repro: 1. add 1024 chars at the beginning of the GPT.INI file, 2. observe admin brain melting. Spaces are ok! Reason: gpsvc reads only first 1024 chars 😅

Today Microsoft open-sourced MS-DOS 4.0. You can check it out here: github.com/microsoft/MS-D…

Researching vulnerabilities in big, popular solutions is much more complex than finding XSS or path traversal on small websites.* *Not applicable to Checkpoint products. 😜

How we did this in the old days: When I was on Windows, this was the type of thing that greeted you every morning. Every. Single. Morning. You see, we all had a secondary "debug" PC, and each night we'd run NTStress on all of them, and all the lab machines. NTStress would

This is something I am really excited to talk about and finally release. It is a tool we have been using and developing for the last 3 years that we are releasing. Hope you join us on our webinar

perfect function doesn’t exis-

It's time to take a closer look at CVE-2024-38063 (Windows TCPIP RCE). I usually don't post partial analysis but since most available info is unreliable I'll do my best to try and shed some light. This time I'll focus on my workflow and thought process as we go. 🧵

Fancy DLL sideloading? Add built-in licensingdiag.exe to your toolbox. It will load everything listed under Windows NT\CurrentVersion\LicensingDiag and then call exported InitializeCollector() function. BTW have they heard about REG_EXPAND_SZ?

Not sure if this is useful but created a script to dump certificate template information to a text file from an ADExplorer dump using ADExplorersnapshot.py. Created a PR to the project here: github.com/c3c/ADExplorer…

What happened to #ChatGPT 4o and image generation? It's not possible to get an image without text on it. Even if I explicitly state that image can't contain any letters, words, text, captions etc. Is there any secret prompt to force it not to put text on the generated images?

Always aim high. If you hit your head on the ceiling, you aimed a bit too high.

Chinese rj45 USB adapter malware??? Our line-by-line code analysis of the "malware" and a reasonable explanation for its strange delivery (part 1)

I had a huge collection of diverse cables and adapters, gathered over a few years, which I kept in case I would need any of them in the future. Last week, I decided to throw them out because of the space they were taking up. Today, I found myself needing one of them 🤦‍♂️

Programming is understanding. If you don't understand what you are doing, you are not programming. You are generating text.

After my latest newsletter issue, diversenok reached out to me with an interesting observation: a password can be encrypted and still functions identically to a cleartext one in CreateProcessWithLogonW(). 😮 This brought up two intriguing questions: 1. How can I decrypt