The machine that taught me DNS can be your best friend

Real-World Deep Dive Advanced Reconnaissance.

A new backdoor called Dohdoor doesn’t connect to a suspicious server. It just asks Cloudflare a normal-looking question — and hidden inside…

The cyber threat landscape of 2026 has exposed a fundamental flaw in enterprise security: companies are defending their perimeters while…

TL;DR NLnet Labs recently released version 4.14.3 of the Name Server Daemon (NSD) to patch four severe security flaws. Specifically, these NSD DNS vulnerabilities expose servers to heap overflows …

Taking down a malicious server used to be simple: find the IP address, get it blocked or seized, and the operation goes dark. Fast-flux DNS…

A beginner-friendly guide to understanding everything that happens from the moment you type something into your browser until a fully…

You learned how data finds the right machine. Now here is how machines actually talk to each other, and why a handful of protocols are…

In this room, passive reconnaissance refers to gathering intelligence from public sources without contacting the target. This stands in…

At a Glance Malware family LabubaRAT (previously undocumented) Threat actor Unattributed; no group named Targets Windows hosts; no victim count published Delivery vector Not documented in the repo…