Nostr notes by Juanma Fernandez

Graciñas! Aunque me estoy tirando de los pelos porque el fichero ...

2026-07-14T12:31:13Z

In reply to nevent1q…j700
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Graciñas! Aunque me estoy tirando de los pelos porque el fichero que se mandó a imprimir no era la corrección final. Me quiero arrancar la piel cada vez que veo una frase a la que falta/sobra alguna palabra.

¡Ya podéis comprar "Crónicas del Red Team"! Durante ...

2026-07-13T13:26:33Z

¡Ya podéis comprar "Crónicas del Red Team"!

Durante esta semana (o la próxima) estará disponible para su compra en la web de Popular Libros (https://www.popularlibros.com). Mientras que lo suben a la web podeis desde ya adquiridlo escribiendo a pedidos@popularlibros.com (poned de asunto "Compra Crónicas del Red Team").

¡Un saludo!

Uploaded the slides of my talk "Ticket Please" in ...

2026-06-22T06:47:03Z

Uploaded the slides of my talk "Ticket Please" in EuskalHack (it was a 101) https://github.com/X-C3LL/congresos-slides/blob/master/Ticket%20Please-EuskalHack2026.pdf

A friend reported a LPE to Microsoft and in the advisory ...

2026-06-04T07:48:45Z

A friend reported a LPE to Microsoft and in the advisory Microsoft fucked it and wrote a wrong description saying the vuln was in MMC.

Consequence: people wasting hundred of dollars on AI trying to analyze the wrong files just to get a fake PoC because AI brainwashed them 😂😂😂

"A working PoC" and the AI released a supposed MotW bypass. The real vuln was a LPE to System.

What a clown circus 🤡

RegPwn was a Windows 0-day that we were using for LPE in our Red ...

2026-03-13T19:32:37Z

RegPwn was a Windows 0-day that we were using for LPE in our Red Team for a year (discovered by Filip D. In January 2025). Unfortunately it got fixed 🥲

Good bye RegPwn 🫡

https://www.mdsec.co.uk/2026/03/rip-regpwn/

It's pretty insane how we live in an age where everything ...

2026-02-10T08:38:21Z

It's pretty insane how we live in an age where everything needs to be monetized; every single tear of knowledge must be consecrated to the mighty god of money throught crappy trainings and certificates.

A small rant: The State of Art in Red Team is whatever you want ...

2026-01-31T15:54:19Z

A small rant:

The State of Art in Red Team is whatever you want to believe

https://x-c3ll.github.io/posts/Rant-Red-Team/

in Spain we are used to it. Every time there is a football match ...

2025-11-18T12:49:21Z

In reply to nevent1q…njt5
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in Spain we are used to it. Every time there is a football match we can't use half of Cloudflare infra (ISPs block Cloudflare IPs to avoid illegal streamings)

Nostr event nevent1qqs2v64dhc0nf0gekddvdqlguggfmsyufqezv4ht57jt5devkem870gzyq5jwa6l57u7n6rugt3mv06x6qx6wkqf5p4qd3t8qxk4eal0mpnpwljqrv6

2024-11-02T12:30:55Z

Fucking 23°C in November

32°C today in Galiza. What. The. Fuck. ...

2024-04-12T21:04:06Z

32°C today in Galiza. What. The. Fuck.